Pro comp bbc heads specs. The advanced port design allows greater flow.

Pro comp bbc heads specs 88 valves, hardened exhaust seats and made 528 HP 566 TQ on a 9. Just pick the right cam and intake. 740 Intake Install: 145lbs @ 1. 650" Hydraulic Flat TappetThrough Head Oiling SystemStandard Port LocationsBronze Valve Guides. Then install the studs into the block using red locktite on the cleaned threads, basically hand tight. Jul 29, 2013 · I wouldn't buy a set of those. 180 offset lifters that help and you can buy retro cups Feb 23, 2009 · Got to test a customer supplied set last year using an 11-451-8 H. If the cylinder head studs protrude into a water jacket, lubricate the block threads of the studs with THREAD SEALER. Specs are below. 81 valves and 84cc Order high-performance cylinder heads online today. 1001/2 351633229200 291996169160 New Complete set of Aluminum Small Block Chevy Motorsport heads. The Canfield heads proved themself a LONG time ago. Standard port location versions available as well as the super raised runner designs. Have the heads ready to install and get them on fairly quickly. Aluminum Cylinder Heads 746-PCE281. Dec 1, 2016 · After completing the bottom end with a Moroso oiling system (pan, pick up, and windage tray), we installed the ProMaxx BBC 340 heads using ARP head studs and Fel Pro MLS heads gaskets. Very rough idle. 33: 250cc x 1cc Pro Head CC Kit: POW351170 $196. Update 10/08: Some of these heads have been known to get shipped with valves that may be too long and Jan 11, 2021 · New 468 BBC. I took a pair of the 820's and did some bowl work, blended short side, installed 2. Misaligned ports, problems with the guides and even in some instances bolt holes weren't drilled. I've seen plenty of broken off rocker stud bosses on aluminum heads (all different brands). port heads that put out 635 HP. 2011 Chevy Colorado crew cab 5. 10:1+ compression, 3000 stall converter or 4-speed, 4. Maximum performance, bracket racing, heads up and super classes. Pro Comp cylinder heads are gravity die-cast, which creates a more uniform and structurally stronger casting. ID number location Question 2. Oct 2, 2008 · Pro Action Cast Iron 320cc Cylinder Head, 360cc BBC Cylinder Head Racing Head Service knocked one out with its Pro Action cast iron heads. ) but his 3100lb camaro with 13:1 496ci motor N/A went 9. 530 or bigger like a 1057fire ring of4. At the time of this writing the heads come bare from Pro Comp. Moderator: Team. 14/1. 460" Dual Spring Assembly. 319 dome,MSD,Holley 850 vac sec. Jan 17, 2022 · I'm debating on selling the Ls and going big block bbc with a ProCharger. they sell for $1199. effort for 92 pump gas. This is the 190cc, angled plug design. 88 valve upgrade from the 2. Flow nice ,tire burning heads nice power and throttle response. They are available with as-cast 310-, 325-, and 345-cc intake ports. No doubt, not the head for a serious race prepped big block but maybe for the street enthusiast. 52: 100cc x 1cc Pro Head CC Kit: POW351160 $450. f. Our BBC rotating assembly came from the experts at Scat Enterprises. PRO 1 CNC heads are fully CNC machined throughout, with 335- or 355-cc intake ports. Here are the specs: These heads feature a multi-angle seat design for performance valve springs. even put them against my iron eagle and pro1 heads that were borrowed. Looking for opinions on what would be the best combination to make over 2500hp. May 20, 2021 · i have pro comp raised port angle plug heads on my 383 with 11-1 compression and use R5671A-7 NGK plugs. ran Rated 5 out of 5 by CRAZYTim from Nice heads Bought these heads for my 427 BBC ,work great ,there not pro comp heads. The only thing different is the machining, which the new owner had to basically reverse engineer and program himself. Save Share PCE 279-1005 is the long type 454 stud set for ProComp/Speedmaster BBC heads. The ports are taller,but the bolt holes are all the same. 63: 1 . 250″ intake valves and the larger 360’s taking 2. He just assembled the Engine a few weeks ago, mild cam and put iy on a dyno last Friday 2. Had to swap one out. CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS. If you used those heads with an out of the box intake you would have a pretty big Feb 8, 2024 · Assembly Specifications Max Lift: . 73 rear, and a b&m 10" converter. Hardened valve seat inserts w/ multi angle seats. That and a buck will get you a large coffee at McDonalds. I believe at a fair price in a good local engine shopand also on a 396 bbc Jul 31, 2008 · 555 BBC Dart Big M tall Deck block 4. Feb 3, 2020 · I'm looking into heads for my 454 with seal pro hyper pistons H518cp. Sale Price. Will ship straight plug unless you request angle Dual-Quench Combustion Chambers Bronze Valve Guides Oct 27, 2005 · i have pro comp bbc heads and they,well, i can take you for a ride. 00 for an assembled set. 1 compression, mild cam 496. 580 Coil Bind: . It is called a "medium race port"gasket,and I usually gasket match any 200 thru 220 cc heads I run to that gasket,and use both Victor JR and Strip Dominator ported to match. Those early Victor copies were def a buyer beware situation. 25int. Running pro comp rectangle port heads. 700, ported they went 410 @ . 12:1 355 with a solid flat tappet with ported Pro comps. 12 reviews. _____ Dennis 65' STANG, 3160 lbs 393W NA, 2. PC3021C/FF281. PC3002S/AC FF281. i have the strike force heads by pbm which is pro-comp also,both are copies of pro topline. Also, double check the spark plug seats. +25cc dome Procomp 3037 Pro Comp 3037 Procomp Aluminum Cylinder Heads. pro comp heads -700 lift solid roller 710hp 663tq--does well but the pro comps dont breath enough for racing but i think budget street motor 1000 for the heads flat tops would leave enough money for street roller and give descent numbers- a 496 10-1 with hogged out 781 iron heads and roller probably Apr 21, 2012 · I have new shortblock stroker being built and was gonna use some Eddy RPM heads. after a visual inspection the only minor Jun 21, 2008 · YEA WELCOME TO THE FORUM, i am doing somewhat the same except i'm swapping pro-comps for TFS streets on a 2,500 tube chassis 1/4 mile car. 577 60ft-70 Chevelle 3740 lbs. port heads with 115cc comp chamber and 320cc runners with 2. 6 EXHAUST VALVES PLUS . eBay Product ID (ePID) item 5 Chevy BBC 454 320cc 119cc Aluminum Bare Cylinder Head Chevy BBC 454 320cc 119cc Aluminum Procomp heads are available bare, complete and fully CNC machined. 88 valve package, though you can upgrade to a larger 2. 0 intake Procomp PC3021 heads. Ed. Not sure where the ID numbers are on the heads or what plugs to use. com merchandise 1 day ago · Whether you race Pro Stock, Super Comp, or just want to rebuild your old Chevy 350 small block, there are cylinder heads just for you! AFR 335cc Enforcer BBC Feb 27, 2019 · I bought some of the Pro Comp heads off eBay thinking I'd save money and I had heard they were decent heads. Intake, 750dp, CI Custom SFT, 10. Legal Streeter - 1956 Chevy Bel-Air 7. Aug 13, 2015 · Hi Guys just wanted to let ya know ,I finally picked up 2 sets of bbc heads 781 & 049. 82 overdrive gear,Quick Performance 9",True trac posi 3. 300″ valves, just like their CNC siblings. Would like to rev to about 6k rpm. Thick deck - Can be used with Nitrous or Superchargers 205cc Intake Runners 64cc Chambers Straight & Angle plug Available - ship straight plug unless you request angle. The Summit head picked up 50 hp and 30 tq over OEM. Designed around raised intake runner locations with the floor of the port as much as . 600" max lift valve springs, and steel retainers. Comp cam setup on a 496" stroker!! Unit made slightly above 600 HP on 93, and is still running with not a single issue, even with the "cast" blank hyd-roller! Dart 310, 325, 345 BBC Aluminum Cylinder Head Part# 19100000, 19200000, 19300000 Fel-Pro 1412 Exhaust Bolts: 1" longer than stock (4) ea. Shop our entire collection of professional-grade cylinder heads today at JEGS High Performance! When installing Dart’s Inside Head Stud & Shoe Kit be sure the shoe and the 7/16" end of the inner head stud slide into the machined pocket in the block. May 7, 2007 · A friend of mine said that they took a lot of work to make them right (valve guide clearences, etc. Hi Perf. oh yea they are aluminum heads. if you are running solid roller comp makes . It never seen 2,600 rpms and a chunk of intake runner came out. 25-inch stroker crank. Mar 21, 2020 · The Pro Action and Pro Elite heads share a lot of specs with each other. looks to a different casting. The motor is under 500 cubes and around 11. 550D = 195# @ 1. Manufacturer Part Number. thanks Jul 21, 2008 · The 990 heads were the heads installed on crate motors and in cars, while the 188 heads were the 'service replacements'. Intake Gaskets Apr 4, 2008 · pro-comp heads i have used pro-comp heads in the past for small blocks and was never impressed with the heads, however i just bought a set of big block pro-comp heads for a cutomers engine and i am impressed these are part# pc-3021, 320 cc intake runner, 115cc chambers, 2. Feb 20, 2007 · The packet shows the original length of the BBC rocker studs, ARP 235-7206. Sometimes you may have to bottom tap the stud hole in the head to get full engagement of the threads on the stud. both heads will be redone . 5 cc for the f1017-1 and 11. 750 was the correct push rod length needed. Is this to good to be true? I"m thinking of a set for my 396 bored . I am in the middle of a 505ci BBC pump gas street/strip motor w/goal of 600hp and mid 6 sec 1/8 mile times. Customer went another direction. I looked for some alternatives and found Pro Comp. 237/243 dur, . the rectangle motor was a low budget slap together with a . 2 CR, 1 3/4" Headers, Lakewood, Subframes, Caltracs Apr 17, 2010 · Craig 70' ElCamino 414 BBC,781 heads stock valves bowl blend and port smooth,1. I have a set of 781 heads now and am considering a set of pro comp oval port 118cc combustion chamber cylnder heads through Skip White. 9 Exhaust Install: 145lbs @ 1. So much that his stud girdle is so tight when it's on it moves the lash by . Jun 16, 2012 · I think Edelbrock at the lower end of their heads have stock exhaust port heights untill you go past Performer RPM heads and then the ports are raised 1/8". Compared to Harland Sharp or Comp Cams they were a lot less. I've been running the procomps for almost 3 years and have had no problem with them, i think you will enjoy the improvement from the pro-comps over the DOVE's. 060-inch overbore with a 4. I was changing the starter on it and pulled the plugs. everybody told me that my runners were too big but they work great on my ride but i also have a 70 camaro. However, Pro-Comps seem to really have stepped up their QC in the past few years, from 2010-2012 you will find the Pro-Comps were universally panned. 88 valves or going in the budget aluminum head route and getting a set of pro comp 300cc oval port heads from skipwhite. Sep 25, 2020 · If the 292's are similar to the 820's, I'll vouch that they can make respectable power. 81 valves and 84cc CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS. What I am trying to decide on, head wise on this engine is between a friends set of 781 port and polished oval port heads with 2. 590 hyd. It cost $1000 at the machine shop to get a proper valve job(as delivered the valve seats where smaller than the valve), the guides honed to proper tollerances (they where WAY too tight), a pocket porting job, and the spring pressures set to spec for my cam. 550'' Exhaust Lobe Separation Angle: 110 The RFD BBC-BILLET promises to be one of the baddest Big Block conventional heads available. 900" off of the deck depending on port design. It has their block, rotator, heads, intake etc. 1 2. This casting process creates a much more uniform and robust cylinder head. 2019 Drag-Week Winner - N. 050'' Lift: 244° Intake / 244° Exhaust Valve Lift w/1. Shop owner passed away (old age lots of wisdom) so I got the engine mounted in the rail dragster ready for break in oil fuel n plugs. or anyone elses site, as of yet. Question 1. Sept. 879 inches. Specifications: Part Type. . 060 with . Oval port Open chambers Have 2 questions here,wich ones would be better of on a 454 bbc 781 or 049 heads , camshaft over 510 lift, trying to get 10:1 comp. arms,Ground up disc brake Re: Pro Comp - Speedmaster - Flo Tek BBC castings Post by GOSFAST » Thu Jan 05, 2017 11:56 pm harry k wrote: Did a search tonight on Flotek BBC Heads and this came out ,so a bump from 2014 Jun 27, 2023 · Both Square ports around 320 or so cc. Thick deck - Can be used with Nitrous or Superchargers 190cc Intake Runners 64cc Chambers Straight & Angle plug Available. 2 big tire car. if you use pro comp rockers they are only . 3037. For 180 LT-1 reverse cool applications Apr 21, 2012 · Im looking to buy a new set of BB Chrysler heads. Jan 10, 2010 · mopar heads. Part Number. There are only 8 in a pack. Combustion Chamber: 60 cc Springs: 1. 100 LONG MACHINED FOR 1/2 " HEAD BOLTS OPTIONAL SPACERS AVAILABLE FOR 7/16 HEAD BOLTS. Feb 10, 2007 · Well my wallet fianaly allowed me to have my Procomp heads fixed (they where unusable the way they where). A small amount of silicone is recommended around the water ports and the intake port. 562 bore 4. 925" +/-& 2. 10:1 or lower gears & aftermarket intake. Mar 20, 2016 · These are for the OEM SBC and BBC head bolts to help save the bosses on the cast iron heads. The advanced port design allows greater flow. 2cc Pro Head CC Kit: POW351155 $74. Yes i have heard plenty of bad things about thier products, and many things about thier sbc heads, but i never heard any bad or good about the bbc heads. 634/. I just bought a pair of Brodix Race Rite Oval port heads and I am more than happy with them. I have new shortblock stroker being built and was gonna use some Eddy RPM heads. 85@115 on Dunlop GT Qualifiers, through mufflers. Oct 31, 2008 · Ive built 2 BBCs with pro comp headsboth 10:1, hyd. 17: 100cc x . performer rpm intake and stock 800 holley dp. Apr 2, 2020 · ARP Pro Series Cylinder Head Stud Kits 135-4001 . Port BBC Heads with 115cc Open Chambers. A friend of mine bought a set and then was told after the fact that they are a very poor item. I dont want a procomp set of heads due to all the bad things I have heard about them but if the PC3010 isnt procomp I didnt want to pass up Nov 6, 2004 · 25 ft/lbs. 6. 400 THICK DECK CAN BE Jun 14, 2004 · These heads will be replacing my modified 1966 cast iron Sp. my car is lighter than most others. Pro Comp BBC heads. Mine had the seats machined too far down, so half the spark plug threads were exposed in the combustion chamber (they called for a 3/4" reach Pro Comp. heads have good parts in them, and has a comp solid roller, chain and lifter, but everything else is *****. cam, team g and pro systems 850. Cylinder Head. 00 to open up the spring pockets for the new valve springs. Assembly Specifications Max Lift: . 050 intake/292@. HEI distributor Cam specs, heads specs, dyno in pics below It runs and drives just Jul 17, 2008 · As far as installing head studs, this method was recommended to me and works well. 9 Closed Sear Pressure: 145lbs Open S Brand Information . Apr 23, 2010 · Brand new in box Pro Comp Aluminum Heads, complete with Valves, Springs, etc. 02 inches the inside diameter at the base of the seat is 1. May 17, 2010 · Ive built 2 BBCs with pro comp headsboth 10:1, hyd. Chevelle Malibu ss 64 489 BB with parts from Lewis racing Apr 1, 2014 · you do know there bbc open chamber head needs a 1017-1 fire ring of 4. There is a reason they didn't put there name on them. General engine tech -- Drag Racing to Circle Track. 750 and 9. Oct 9, 2009 · It must be the heads. R. Roller,Speed pro +. ProComp Part number PC3021. 19 and 1. 250 and exhaust valves that measure 1. i found that if you find the shortest 3/8 drive 5/8 plug socket, then 1/4 drive 11/32 socket and weld the 11/32 in the 3/8 , it makes changing a lot easier Jan 31, 2020 · Pro comp 295cc heads for BBF any good?www. The Pro Action BBC heads are available with either 320cc or 360cc intake runners, with the 320’s set up for 2. Best for big cubic inch, high RPM use. I run 310cc Dart Pro1 heads which I love. It has tapered seat spark plugs in it. 74cc Combustion Chamber, 290cc Intake Runners, 130cc Exhaust Runner Oval Intake Ports 1. Prop 65 Warning Jan 30, 2016 · I just purchased an engine with a set of Pro Topline heads on it. Both Pro Action heads have 1. Pull after pull with the Pro comp heads the best he could do was 588 hp. However, no problems have shown up in these Pro Comp heads after doing our CNC porting program. Manufacturer. 1005/6 292071057911 302267618285 New Complete set of Aluminum Small Block Chevy Motorsport heads. Feb 2, 2007 · Pro Comp bbc heads Jump to Latest 4. Jun 12, 2007 · Procomp Motorsport's 3051 ASSEMBLED BBFord 429/460 Aluminum Cylinder Heads 356-A Aluminum Alloy Heat treated to T-6 Specifications. CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS. pushrods need to be longer,about half inch,i have the pushrod specs and will post later. Mar 7, 2015 · thinking about doing a budget big block 496 that will see some nitrous. 2cc Pro Head CC Kit: POW351150 $211. 250 stroke)Dart Big "M" 4 Bolt Race Prepped Block w/Splayed Caps, GM iron square port heads, solid roller camshaft (286@. here it goes. 761 lift intake . 19/1. Feb 1, 2009 · The Comp cam was combined with a double roller timing chain, 1. cprgarage. He suggested they were probably actually made by Comp Cams or one of the other US companies but had Engine Pro engraved on them. It was shop built while I was away for work. Same head, just a different part number. Feb 18, 2010 · procomp heads they are aluminum! just cheapo's i would not buy them assembled !!!!! almost every set we've put on a engine (just bbc) the bolt holes need chamferd cause you cant hardly get a socket on them but once you make the mods there is nothing wrong with them but like i said assemble them your self! or you might be in trouble with a race engine or where valve clearence is a issue but Nov 26, 2007 · The 383 had a 4340 assembly,SRP blower pistons,custom ground mech. 560" Guide: 4735 $143. 700 long Scat Pro Comp crank Je Pistons 13. I tried looking them up and assumed the PC means ProComp but the only BBC procomp number I can find is a PC3021 not 3010. Aug 18, 2012 · SR 20 Head info… I spoke to Mark at Brodix yesterday on flow specs and list pricing. 88 exh valves. Break in and race Jan 11, 2012 · oval pretty much kill a BBC by 4500 world product as a good set of aftermarket bolt on iron ovals that will imporve range upto 6000-6500 stock 049 and 782 heads are the large ovals and usually need at leas a 2. The 781's I have been quoted 250. 880″ exhaust valve seats, and Nov 16, 2010 · 1965 Mustang Coupe, 4V289, . 3. Mar 14, 2015 · I already have a carb and intake manifold so that helps a little. 0 with the 84cc rpm heads. icon Sep 23, 2018 · Pro Comp offers its rectangular-port aluminum cylinder heads in several intake runner sizes. 5. We also did a head swap on the dyno for a guy. Jun 12, 2012 · Re: Pro Comp BBC heads Post by sheppard00 » Thu Jun 14, 2012 12:20 am the set I did started out as the 320's and flowed 320 @ . its components: Dart block Quick Fuel Brawler 850cfm carb Edelbrock performer 2. These are 320cc Rect. 75 that is stock. 7 rollers,7/16 push rods,Straub Tech custom Hyd. 2K views 12 replies 6 participants last post by Busted Knuckles Feb 3, 2007 Feb 28, 2007 · I am very new to building chevy engines so i am asking if anyone has used these aluminum heads for a BBC?I can get what seems like a great deal on a bare set ($700)Here are the specs that the dealer gave meThey look to be closed chamber, rectangle port, 115 cc chambers 320cc intake, raised exhaust ports, cut for 2. gasket should not hang in the chamber of the head. 585 offset and need to be . 650 harland and t/d make rockers that are correct but pricey. To install our BBC heads on Mark V blocks, you will need to use our PC5233L and PC5233R Elite Series MLS head gaskets. 60 first time out with these heads. Specs . 88" exhaust valves, 7/16" rocker arm studs, . I recently went to the machine shop to freshen up the heads and they told me that several of the guides were worn and the bill would be in the $700 range. For the 205cc use Fel-Pro #1262. 630 looking a cc of 10. after upgrading rear end to a 9" ford, i had it dynoed and was a little disappointed. In addition, they have hardened seats and bronze valve guides. Mild cam with 0. we put together a 454 years ago. The PRO1 24 Deg 365cc CNC is for uncompromising performance and racing applications which favor high RPM power over low end flexibility. 900” / . 78 Toploader 4 Spd, 9" 3:70 Posi Pro Comp Heads, Vic Jr. stuck it in a 78 ,all steel gbody with a small set of headers, 3. 880 exh. 580" Spring Seat Cutter for . had bone stock 049 heads with a fresh valve job. Engine size- 540, ect Block- Dart,Brodix, ect What- Heads, cam, valve train, ect The car is a 2010 camaro. Bogie . 240cc Intake Ports. Swapped heads for a set of AFR 195s horsepower leaped to 547 HP at 7700 rpm. 690” max Comp 954 Related Products. not to stir but i love em. roller blower cam,the CNC Pro-comp heads with a 215 cc port volume,2. Like all Dart aluminum heads, PRO 1 24-degree heads are cast from virgin 355-T6 aluminum for its greater strength than standard A356 alloys. NOTE: LOCTITE MAY BE USED IF A PERMANENT MOUNTING OF THE STUDS IS PREFERRED. 7 Rockers: . 250 int. I thought I was told 8. The rpm heads are only 210 intake runners and 2. He said feel free to spread word. ratio, and around 475 HP on them . 1003 301768468043 New set of complete Aluminum Big Block Chevy Pro Comp Motorsport Heads Produce up to 734 HP Out Of Box With Advanced Port Design Manufactured from 356-T6 aluminum Have Accessory holes to except factory accessories. 6 ratio Gold Series roller rockers, and custom length pushrods to work with the Pro Comp heads and hydraulic roller lifters. Aug 25, 2004 · Can the cadillac heads make 1000 plus hp by forced induction. i think you will find that the procomp heads have a very thick deck which you can mill Aug 8, 2022 · On more modern Pro-style Heads , its better to flat-mill as the Head is already pretty maxed-out design as far as Valve Angle Degrees, you need a lot of Top Angle transition into Chamber or a part of the Chamber angle Aka: SB2 Those BBC ProComp Heads : i did the bare-minimum Bowl porting or clean up, Oct 25, 2021 · In all fairness, the stuff has gotten better. I start installing everything and one of my rocker stud holes strips. Feeding the heads was an induction combo that included an Edelbrock Super Victor intake manifold and Holley 1050 Ultra Dominator. 2152(2 Dec 18, 2009 · I used these heads for about 7 years without a hitch. Post by digger5 » Thu Jun 22, One more question, do these heads use 8. 050 ex . Sep 22, 2023 · 498ci 16:1 pistons pro comp heads. May 24, 2014 · Same combo with nearly stock 041s will make 375 HP. the heads need some finish work by a machine shop,valve guides need honed to size on mine. 300” May 18, 2015 · I am building a . What you should measure on a stock 2003 head for the intake is as follows: Intake valve head outside diameter is 2. 7,500 RPM, 540+ cubic inches, great head for maximum effort, comp or bracket cars. 1969 Chevelle 300 454! finally, 29-3200 stall, TH400 and moser 12 bolt 3. HOT ROD Staff Writer Jan 02, 2010 HOT ROD Staff Writer Jan 02, 2010 125cc x . Dec 1, 2016 · At first Pro-Comp was really bad, just like the Patriot heads, which I think we can all say you don't get a second chance to make a first impression. High Volume/Pressure Oil Pumps - If you are using a high volume or high pressure oil pump it can submerge the valve seals in oil causing smoking or oil consumption [6] Screw the rocker arm studs into the cylinder head and tighten them hand tight. These were on a NA 540ci BBC Street Car. Make sure the bottom side of the hex is seated down against the cylinder head or guide plate (where applicable). Solid bronze valve guides. But I called Indy about thier 440EZ heads and Russ told me i was gonna lose around 100 hp if i use the small Eddy head. PC3021. it went low 7s in a 4400lb street truck and a pretty big fella behind the wheel. Dec 29, 2020 · there are tons of sound clips of these cams online. 30" intake / 1. 6 valves, pair of flowed 750 dp's on top of a 8-71 from the Blower Shop. Brand: Speedmaster Part Number: PCE281. 02 INTAKE AND 1. 9 Closed Seat Pressure: 145lbs Open Seat Pressure: 360lbs As with all Speedmaster cylinder heads, our Big Block Chevrolet heads are Gravity Die Cast . 25-inch intake valve. at 10:1 your stock iron oval ports will work well on pump gas. 85: 50cc X . 320cc Intake Runners 119cc Chambers Spring pads are machined to 1. He said their new in the box and this is the part number on them and he doesnt know their history. This engine was a max. t. Dec 9, 2011 · A local guy has a new set for sale. All Procomp aluminum cylinder heads feature the following: High Grade Aluminum; Bronze Valve Guides; Hardened Seats; Advanced Port Design for greater flow; Multi angle seat design for performance valve springs; SBC Alloy Heads 64cc / 160cc A/Plug; Bare Head Aug 18, 2021 · 11. Aug 4, 2007 · Anybody have any opinions/experience with the Pro Comp 320 Alum heads. GM did some wierd shit back in the day. BRONZE GUIDES AND HARDENED EXHAUST SEATS . Dec 9, 2008 · PRO COMP oval port BBC heads Jump to Latest 31K views 44 replies 24 participants last post by Wolfplace Dec 13, 2008 Procomp heads are available bare, complete and fully CNC machined. I know their cnc'd BBC offering under an 8-71 bolted to 572 cubes don't seem to Jan 2, 2010 · We Pick Up 116 HP With A Simple Swap To RHS Pro Action Heads, Edelbrock Intake And A Lumpier Comp Cam. Both heads feature a 119cc combustion chamber with intake valves (with hardened seats) that measure 2. the oval motor tested fair for a puny cam, carb and intake. 440" Spring Seat Cutter for . just been browsing heads to get a idea of pricing and seen these on compition products called power products heads. Just bolt on a set of complete heads for instant power - cos we've done all the hard work for you! Plus, you can turn up the horsepower even more by choosing heads with CNC-ported runners and chambers, CNC-profiled chambers and other enhancements. 36 posts 1; 2; 3; Next; Big Rat Attack Member Posts: 196 Joined: Wed Oct 14 May 22, 2020 · Looking for recommendation for valve springs for my 496. RAT454 Apr 3, 2019 · The Pro 1 BBC heads also featured a 2. 88 exhaust valves, 11/32 valve guides, out of the box they Aug 30, 2009 · A buddy of mine runs a set of pro comp heads on his sbc, and the rocker boss placement is off or not straight. 600 boreX4. I know Pro Comp initially used poor quality valves and springs in their pre-assembled heads What Are The Top ProMaxx Performance Big Block Chevy Aluminum Cylinder Heads? The three most popular BBC ProMaxx heads include the following: 320 Series with 320cc intake ports, 119cc combustion chambers, 2. Same way with connecting rods The Dart Big Block Chevy Pro 1 Aluminum Heads were inspired by Dart's championship-winning Pro Stock designs and available with 310, 325, 345, or 355cc oval or rectangular port intake runners, big block Pro 1 aluminum cylinder heads deliver out-of-the-box airflow that smokes the competition! Aug 25, 2015 · usually around 300cc BBC heads are rect port, but at 300cc I'm sure the cross section will still be around 3. However, I ordered an oval port set. So the real big difference was in the exhaust port flow. when bolting the intake manifold to the heads, and do as 1BAD80 said when bolting the heads to the block. Jul 28, 2017 · I don't know anything about pro comp heads. 043 x 1/16 x 3/16 rings w/ Swain Tech Gold coating on domes and Poly Moly on skirts Dart 360 heads originally ported by AFR and reworked by Pat Musi about 4 years ago to handle nitrous Dec 12, 2011 · Re: ARP Head Bolts For BBC ProComp Heads Post by ProPower engines » Mon Dec 12, 2011 6:29 pm Seems to me they are the same length as the mid-late 90's 454 with the extended length bolts over the exhaust ports. Screw studs into the block “HAND TIGHT ONLY”. 8:1 comp lateral gas ported . ive been told by people I trust that the pro comp Cleveland castings are actually a decent casting. 2012 and it didn't even make it through the break in. Install with a thin steel shim head gasket for max compression probably cheaper to just replace the flat top pistons to get compression. cammed 461s, one oval, one rectangle. Scotty G put them together and put them for me. 5" which is way big for a 6000rpm 427. 5:1 cr on this motor. 60exh Speed Demon 650 double pumper Edelbrock Performer RPM airgap Aug 29, 2006 · hey guys just finishing up with my head bashing. We can supply anything you need to finish up your engine topped with these new heads. 23 @ 196+ @ 3800# Feb 20, 2021 · Do NOT trust the springs that are on the heads, unless they are name brand springs - if they are the springs that came with the heads, toss them in the trash. 541" lift, ~290 duration. They do work as well on the aluminum pieces. In either case, you need to follow the proper sequence. A small amount of silicone is recommended around the water ports and the bottom of the intake ports. 750 I did open up the pinch layed back the ssr and widened the port above the ssr. As many of you know, the BB Chevy SR20 "off the shelf" head is now available, however nothing as of yet, has been posted on their site. 00 to rebuild and machine for 2. they fared very well. Jun 25, 2003 · ProComp BBC Heads. 335 dome pistons. It baselined at 442 HP at 6800 rpm. Operating Range: 2500-6500 RPM Duration Advertised: 292° Intake / 292° Exhaust Duration @ . Bottom line is they are junk, and he regrets buying them. The seller sent me one oval and one rectangle. 2cc Pro Head CC Kit: 4733 $144. 5" and 9. Alternatively, you can use Victor Reinz # 4918(R) & #4923(L) head gaskets on Mark V blocks with our heads. 740 to except the largest roller Jun 15, 2020 · An engine builder 'friend' who shall remain nameless suggested he could save me a lot of money if I bought some roller rockers from him for my BBC heads. 1cc x . 1004 351880220666 PAIR OF NEW SB FORD ALUMINUM 190/62CC CYINDER HEADS FITS 289 302 352 AND ALL FORD STROKER ENGINES 62cc COMBUSTION CHAMBERS 2. Mar 8, 2003 · Use Fel-Pro #1250 on either the 165cc or 185cc intake runner head. Mar 1, 2008 · Check out this 496 Chevy Big Block Engine get tested with Edelbrock Performer RPM Cylinder Heads and Dart Cylinder Heads other cylinder heads are TFS, Brodix, GM and Pushrod, Featured in Car Craft Fel-Pro #1205 should be used on the 195 street heads, the 195 competition PKG heads use AFR #6820 Fel-Pro #1206. If a head manufacturer is recommending adjustable plates- but the valve placement is supposed to be OEM specs - those heads have manufacturing/QC problems that are being accounted for by the use of adjustable plates to make up for their Procomp heads are available bare, complete and fully CNC machined. valve and 1. The Pro Action heads come in a 320cc and 360cc intake runner. I have a buddy that bought the Pro Comp Heads a few years ago. My opinion is they aren't worth all the hassle. we have a set of pro-topline and cant tell the difference,just a Find many great new & used options and get the best deals for Pro Comp BBC Big Block Chevy Rectangle Aluminum Cylinder Heads 454 502 Complete at the best online prices at eBay! Free shipping for many products! SBC PRO1 215cc Aluminum Cylinder Head – 1. Jun 22, 2006 · Pro Comp BBC heads. w/driver 496 w/aluminum heads, Howards hydraulic roller cam . 25 and 1. Jan 5, 2011 · The actual casting quality of the Pro Comp heads seems to be pretty darn nice. Edl Air Gap,130GPH Holley mech fuel pump,ARP head/main studs,7/16 rod bolts,Tremec TKO600 5 speed with . Jump to Latest 21 - 32 of 32 Posts. The price seem reasonable at $1100. Thread the stud into the cylinder head before the head is installed. they dont look to be pro comps seeing they have 300cc and 320cc and 360cc rec port heads. 5" pushrods as the specs say and will a 7/16" pushrod clear? May 7, 2007 · Have any of you gents heard any bad reports about "Pro Comp" Aluminum heads # PC- 3021. my machine shop guy sold them to me for $1100 complete out the Chevy BBC 454 320cc 119cc Hydr-FT Complete Aluminum Cylinder Heads. Reher-Morrison Pro Mod Billet Cylinder Heads; Reher-Morrison 20º RM-20 BBC Cylinder Heads For sale is a FRESH from machine Shop Pro Comp 320cc Runner BBC Conventional Heads. These heads are bare and were at the machine shop to get cleaned up and checked to assure all is perfect ready to install valves and run. Never saw aluminum heads with this style plugs, is this the correct type plugs or do I need to switch to 14mm long reach style plugs? 4. No porting. The chassi will be a 25. Speedmaster cylinder heads offer great performance for less than it would cost to rebuild an old set. 0/1. I have done some research here and on the web as to what the heads are but it seems there is only so much info I have been able to locate. Dual-Quench Combustion Chambers Bronze Valve Guides Hardened Seats For Oct 21, 2009 · I'm planning on redoing the top end of my 402 bbc, cam, heads etc. I had read a thread on a forum when those heads hadn’t been out all that long where a guy bought a whole top end package, and when he was mocking everything up discovered the valves were way too long. The Pro Comp 396 heads are built with a 305cc intake runner and a combustion chamber of 119cc. Same head, same casting, same everything. All Procomp aluminum cylinder heads feature the following: High Grade Aluminum; Bronze Valve Guides; Hardened Seats; Advanced Port Design for greater flow; Multi angle seat design for performance valve springs; BBC Alloy Heads 115cc / 320cc; Bare Head; Sold Jan 10, 2017 · My buddy built an entire Procrap engine for his sand drag blazer. $2. 065/1. The one in the picture is the first pro comp head I've seen broken like that. 030 over 1978 454 for my 72 4sp nova. So far as I've found I know they are aluminum and 23 degree with 64cc chambers and 220 runners. Mike also helped me work with UD Harold, the guys at Comp. 7-1 alum. 040 bored XE268H Cam, Pro Comp Roller Rockers, Pro Comp heads, 60cc, 2. it was a stockish type rebuild at 9-1 compression. Cams, and Ron Iskenderian at Isky to select a custom roller grind to replace my current Crower roller and work nicely with the new AFR heads. I get a chuckle every time I see some pro comp combustion chamber. 00 Out of Stock Jun 17, 2008 · Has anyone used the procomp BBC rec. 250 Stroke GRP Pro 5300 Aluminum rods 6. Dec 3, 2012 · 66 to 69 396 oval port heads with small 96 to 100cc chamber Gen 6 454 Vortec heads 100cc chambers Mill to as close as you can get to a 92cc finished chamber size for a 9. But I am unable to decipher the rest of the Nov 11, 2017 · THE HEADS ARE MADE FROM THE ORIGINAL MOLDS, AT THE SAME FOUNDRY, TO THE SAME SPECS. PC3037C/FF281. The Dart Pro 1 heads and custom Comp cam were combined with an Edelbrock Feb 24, 2017 · I installed a set for pro comp aluminum heads with the longer then stock head bolts as well as the push rods listed. The 225cc runner head will require the Fel-Pro 1262R. 12: 1 . FF281. Save Share Jan 10, 2017 · My buddy built an entire Procrap engine for his sand drag blazer. Jul 18, 2012 · A common stroker displacement, our 496 was the result of combining a 0. 62 @114 1. your new aluminum heads at 10:1 comp may make about the same power then your old heads (or less) - it may be a wash. 005 depending on wich valve you check. 230 +/- 3 Angle Cut Stellite Valve Seats Hardend Nov 21, 2019 · 68 Chevelle Hardtop-11. 73 gears. Brodix Race rite heads have stock height exhaust ports. the 320s are a 115cc chamber and the power products ones are a 335 port and 122cc chamber. 300 lift on. Felpro 1017 gaskets will also work with these head/ block combos. They tested I think it was a 496 NA like 600 hp or so. 25 intake and 1. All Procomp aluminum cylinder heads feature the following: High Grade Aluminum; Bronze Valve Guides; Hardened Seats; Advanced Port Design for greater flow; Multi angle seat design for performance valve springs; SBC Alloy Heads 64cc / 210cc A/Plug; Bare Head Sep 16, 2006 · 12-1 compression 565 BBC Shafiroff short block(4. 640 lift, Edelbrock RPM Air Gap, HEI ignition,TCI TH400 B&M 3200 stall 3/28/2011 Dart 320cc BBC Aluminum Cylinder Head Part# 16300000 thru 16375136 Material: 355-T61 alum alloy Comb Chambers: 119cc or 139cc (121cc or 141cc w/CNC) Intake Valve Dia: 2. Jan 24, 2010 · Re: procomp 210cc heads what intake to use The 1206 gasket is for a standard intake. 2033 Part Type: Cylinder Heads Cylinder Head Style: Assembled Cylinder Head Material: Aluminum Description . Great price thanks Jeggs CRAZYTim Dragracing. 68 Chevelle Convertible-454, 12" manual disc brake conversion, B-Body Knuckles, rotors modified to hubs for the Vette rotors, HD Suburban 3-5/32" piston calipers, 75 vette master, DOT5, (stops like my 9C1 4-wheel disc Caprice) Mar 21, 2010 · EDIT- There are heads that do require specific guide plates be used, like the old Twisted Wedge Chevy heads. 550'' Intake / . 707 exhaust 109 LSA),Brodix single plane intake for a 4500 carb, Holley 1050 cfm dominator model # 9375, 2 inch primary Dec 21, 2009 · Here's the Specs on the Pro Comp Heads PC 3037 & 3038 COMPLETE HEAD-FEATURES & COMPONENTS Cylinder Heads PRO COMP 210CC (3038) Intake Runner Aluminum Cylinder Heads With 60cc Combustion Chambers. Chevy BBC 454 320cc 119cc Solid-FT Complete Aluminum Cylinder Heads. Jun 13, 2009 · They are a great street head, and will work pretty well on everything from a mild cruiser to a hot street car. 02int, 1. I have manufacturers flow numbers if you want them but you can get them off of Procomp's website. We proudly carry powerful small block, big block and aluminum cylinder heads that will raise horsepower and help optimize your engine's performance. I found a pair of pro comp aluminum heads. Planning to add a turbo in the future. EXHAUST GASKETS: Any header or manifold designed for original equipment heads will fit the AFR 165cc or Feb 4, 2008 · and yes I own a set of Pro Comps and have no complaints, out of the box they flowed 360cfm @ 700 lift exhaust was over 250cfm, this is without any porting whatsoever right out of the box to me these pro comp heads resemble what alot of people referr to edelbrocks roval ports I can post pics of my heads if anyone is curious Feb 14, 2019 · For us that dont have Facebook is he the only chinese supplier to all fancy head companys like pro comp, speedmaster, Pro maxx, patriot, flotek etc etc. 437 Assembled – Straight Plug quantity Add to cart Add to Project List Added to Project List Log In or Create an Account to add to your Project List! General Recommendations for AFR Cylinder Heads: Bar Codes - Please keep the bar code & paperwork shipped with your head, these contain all the specs for your heads when calling AFR. R. 030 over with speedpro forged pistons with . THE FASTENERS, HOWEVER, MUST BE TORQUED PRIOR TO THE LOCTITE SETTING UP. 880. Apr 14, 2011 · i have a budget drag motor 468--12. another friend had a set of bbc pro comps and they actually weren't bad, a little porous but no big deal, not the junk the inline ford pro comp castings are. 003-. The cadillac factory heads will flow about 280 to 300 cfm if i use special port forming techniques i taught myself on the fhevy heads. But you should be able to get to the 450hp level with them being pretty much stock. Now the exhaust the OEM BBC head flowed like 200 cfm or so at . 3cc for the f1057 so your Cr will take a hit you need to check this as the pro comp chamber is big and needs the big head gasket . [7] Tighten the rocker arm studs to the following specifications: PRELOAD (TORQUE) RECOMMENDATIONS Aluminum Cylinder Heads 45 ft-lbs. 00 a pair assembled. Y. I've seen some good running cars at the track running them. Price includes shipping Via UPS Ground within the USA! Street/Strip applications. and 1. same as BBF plus will require pushrod clearencing require special head bolts and offset rockers. 88 valves plus another 70. Good enough for what I wanted. Yes i know it can with a few special head mods. 250” or 2. We recommend AFR #6817 gasket Fel-Pro #1256 for 180 heads. Dec 15, 2024 · I bought a car that has Pro Comp heads on it. The airflow on my cnc ported pro comp bbc aluminum heads is around 440 cfm. They respond well to bigger valves and basic head work. Glass bead the coarse end threads that go into the block to remove the black oxide coating. Jan 13, 2014 · The fact that the heads are ported could indicate whom ever did that had other ideas on valve sizes as well. Jun 13, 2007 · I just acquired a pair of Pro Comp Pc3037 heads from a trade. Sold individually. 560" Guide Additional Cylinder Head SpecificationsValve Angle: 15°Valve Seal Material: VitonSpark Plug Type: AngledRetainer Material: Steel Maximum Spring Lift: . 600 the Summit head was like 260 cfm or so and had a big deltas from . 50ratio,DM rear adj. but not many dyno results or cars that have 1/4 mile times. closed chamber/rec. 3L ZQ8 black on black 1. nppkqpf inje rtzcj yvzcxsmt lqlgzfba xzjnqvi royj ztgulx bdtue quwqu