Who makes pro comp heads. I found a pair of pro comp aluminum heads.

Who makes pro comp heads Dec 18, 2009 · Lets see if I can stir up the pot on these Pro Comp Heads a little bit more. P to V clearance always has to be checked regardless. Pro Comp did have major problems some yrs ago. pushrods need to be longer,about half inch,i have the pushrod specs and will post later. This casting process creates a much more uniform and robust cylinder head. 1 3 of 6 Go to page. Hardened valve seat inserts w/ multi angle seats. in this clip I explain why this head is hands down the best out there for the buck when modified the RIGHT WAY. Jan 5, 2011 · The actual casting quality of the Pro Comp heads seems to be pretty darn nice. 02 Intake Valves and 1. Googling the FF part number gives a few sites that cross reference them both. Just a coincidence I'm sure. Seats were suppose to be machined for Feb 23, 2008 · In a word no I have never seen or heard of a set of. 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! Performance cylinder heads enhance the airflow into your engine, giving you improved power and torque. ProComp heads are NOT copies of Edelbrock heads. Alternatively, you can view our product overview pages for more information. 99 plus the ride and looks identical to the procomp, but fails to give any manufacture info. it went low 7s in a 4400lb street truck and a pretty big fella behind the wheel. 4 376. Thank you. 8 347. Straight & Angle plug Available. Jul 17, 2010 · No it was a bolt on & go, for a cheap crate motor. Mar 10, 2018 · Need help from someone familiar with pro comp heads and their part numbers. They were on my Nova that I use for cruising , 5,000 easy miles later and they are junk . CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS. 6 ratio Gold Series roller rockers, and custom length pushrods to work with the Pro Comp heads and hydraulic roller lifters. i know there are much better heads but this is a low budget car. 00 well spent. We'd make FAR more selling Pro Comp heads than we do selling Canfield and Trick Flow's. 460" Dual Spring Assembly. Best combination for Pro Comp heads RPM HP Torque 3000 198. 1 370. Andy beal uses them on his budget 598 and said it makes a little over 900hp out of the box. 9 4100 303. 5 347. Maybe the Pro Comp castings have improved in the last 3-4 years. I don't understand if these procomp heads are "supposed" to be so good then why the need for several different names for the same heads? Feb 22, 2022 · ebay Procomp / Speedmaster 185cc 64cc straight plug small block chevy heads with Bronze guides & Vortec bolt pattern. 040" MLS head gaskets Feb 23, 2009 · Got a local engine shop doing just this. 585 offset and need to be . 607/. As with all Speedmaster cylinder heads, our Big Block Chevrolet heads are Gravity Die Cast . one BBC the other SBF. Nov 13, 2001 · Not quality wise, but in exact looks. They're going on my 550+HP 408 stroker build. 02 intake and 1. Initial inspection indicated the decks were thinner than I would have liked. I do know that in years past, the Pro Comps were not overly high quality. I figure that they have to be better then what I have and the price is right for what I want. All Procomp aluminum cylinder heads feature the following: High Grade Aluminum; Bronze Valve Guides; Hardened Seats; Advanced Port Design for greater flow Order high-performance cylinder heads online today. Feb 10, 2010 · I know because we bought some Patriot heads from same company 3-4 years ago and have had no issues on a WILD 355. Yes, you might get a 'good' set, then again, you might get the set the deck splits on, or the set that the rocker bosses lift off of. 5X10. I thought they were a good deal because they were complete with valves , springs and push rod guides ready to Dec 18, 2009 · I used these heads for about 7 years without a hitch. All Procomp aluminum cylinder heads feature the following: High Grade Aluminum; Bronze Valve Guides; Hardened Seats; Advanced Port Design for greater flow By understanding the different types of pro comp heads and their features, you can make an informed decision when purchasing them. 7 394. Nov 24, 2016 · C3 Tech/Performance - Pro comp 190 cc heads for 383 stroker - Have a fully forged 383 short block sitting on an engine stand for the past two years Have a worked 350 . 55 Posi-4wheel disc brakes Dec 25, 2012 · The stands are flat on the bottom, so no matter witch way they face it makes no difference how they sit on these heads. With the increasingly large displacements becoming common, the need for more airflow is necessary. 100 LONG MACHINED FOR 1/2 " HEAD BOLTS OPTIONAL SPACERS AVAILABLE FOR 7/16 HEAD BOLTS. All Procomp aluminum cylinder heads feature the following: High Grade Aluminum; Bronze Valve Guides; Hardened Seats; Advanced Port Design for greater flow Aug 29, 2006 · hey guys just finishing up with my head bashing. #2---Pro Comp Cylinder Heads (hughesengines. 40 over in my 73 now Jun 23, 2015 · Pro Comp Heads I intaled a set of new pro comp heads on a mild 350 in the spring of 2014 . Jan 4, 2007 · I also say get the TFS Street heads before you buy the Pro-Comp's. Remember, checking the casting numbers and inspecting for any signs of defects or flaws are essential steps in determining the quality of the heads. 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. Cylinder Heads. Go. 740 to except the largest roller springs; Bronze Valve Guides pair of new sb ford aluminum pc motorsport cylinder heads. I with a 90mm t-body. we have a set of pro-topline and cant tell the difference,just a Sep 20, 2014 · I have two friends with them. Jan 22, 2006 · Ive built 2 BBCs with pro comp headsboth 10:1, hyd. cammed 461s, one oval, one rectangle. 5 Procomp offers a wide variety of aluminum cylinder heads for both race and mild street applications. 23 Mount Erin Rd, Blair Athol NSW Feb 10, 2010 · I know because we bought some Patriot heads from same company 3-4 years ago and have had no issues on a WILD 355. Advertise them as their heads, and to look no further for a quality head and one that will beat the competition hands down. We also carry the complete RHS, Dart, Brodix, Trick Flow, & World Products. CJ heads. 6 348. Heads are machined bare and ready for assembly. 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. These are different all together. Dec 6, 2005 · Working an extra shift overnight tonight and have more downtime, so I've searched for a bit more information about these heads. EQ is only casting iron at this time. Alot of the problems also were people using cheap hardware to assemble the heads. While the difference at peak between the CHI heads was 20 HP the heads I have seen had excess guide clearance non concentric seats and valve faces Bolt alignment for intake was terrible port alignment was off etc etc etc. 92 @ 141. Oct 18, 2006 · I don't have any experience with the Procomp heads but I did hear good and bad reports about them. The Pro Comps I installed on my F550 have a few hours in them, mainly bowl hogging out the seat over hang. 60 valves - Stainless one piece valves! We also do custom in-house heads along with custom cams. bare, the 210 pro comp sbf head weighs a good 5lbs less my sbf RHS 215s bare. New Complete set of Aluminum Small Block Chevy Motorsport heads. 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. Today, our high-tech design and manufacturing facilities set the standard for quality, […] Feb 16, 2010 · PRO COMP HEADS ARE JUNK, PERIOD. ) but his 3100lb camaro with 13:1 496ci motor N/A went 9. the guy with the sbf set has an issue with Oct 17, 2004 · Jeg's has just started selling Pro Comp bare heads and their item description states "Producing 500+ HP out of the box" '67 Mustang coupe New Dart 427 under construction: AFR 205's-Ported Victor Jr. world. cprgarage. We only offer these heads assembled by Pro Comp!!!! All PCM SBF Complete heads come with the following: Stainless steel 1 piece swirl polished valves, High performance valve springs (For Flat Hyd or Hyd Roller Cams) Bronze guides Sep 18, 2020 · Yes, the NKB is the same as the ProHeader/Assault Racing/Southwest Performance/AFR Enforcer casting(and half a dozen other Ebay vendors), and now ProComp/Speedmaster is using it as ONE of the 4 or 5 different SBC aluminum head castings they sell. 300 140 136 They include almost everything you need to make serious horsepower. Running a . At the time of this writing the heads come bare from Pro Comp. Chad Speier · Registered. I'm not a budget builder, but I can't seem to save my money long enough to get $2000 BC I put what money I dont use right into my savings and don't like to take money out. i have the strike force heads by pbm which is pro-comp also,both are copies of pro topline. Pro Comp makes cheap Chinese made distributors and Multiple Spark ignition boxes. Oct 17, 2004 · Dennis 65' Stang--434w, G101A 4-Speed, Victor Heads, Super Vic Intake, Bullet SR, Braswell 1050cfm carb, 4:56 rear, 93 Octane Pump Gas. 2 351. 65mph When Holdener went to the Super- Flow 902 dyno with his tall-deck 400 topped with these Pro Comp heads and a CHI single-plane intake, he managed to get 529 hp and 506 ft-lbs of torque. This engine was a max. 590 hyd. roller blower cam,the CNC Pro-comp heads with a 215 cc port volume,2. Jan 18, 2025 · Pro Comp/Speedmaster heads Jump to Latest 510 views 8 replies 5 participants last post by midnight5. 7 382. The 20 HP difference (compared to the CHI heads) was with respect to the iron closed chamber 4V heads tested. They are cheap but they need further work to even think of using them if at all. The one in the picture is the first pro comp head I've seen broken like that. 6 exhaust valves plus . The CHI single-plane was one of two manifolds used, the other being the Edelbrock Performer Air Gap dual-plane. There cheap, and cheap for a reason. 55 Exhaust Valves 81cc Exhaust Flow approximately 291. 6 Exhaust Valves. It has their block, rotator, heads, intake etc. I dont sell them, dont use them and never will, so I have no real dog in the fight, other than accept them for what they are, cheap chinese knockoffs of a Vic CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS. 99 plus shipping. Jan 1, 2006 · The exhaust ports are raised . 400 thick deck can be milled down to 50cc Mar 7, 2015 · Chad speier was going to use them as a budget cnc core, but i believe he decided not to. We have a Pro Comp account, and at $700 a pair complete the margin is rather large. My pro comps are 210 What makes this tough is I have new comp springs, new ferrea valves, new seals, shim kits and keepers and retainers. 650 harland and t/d make rockers that are correct but pricey. Feb 13, 2010 · Pro Comp Heads with CHI single plane intake (4150 flange) and HVH spacer. I checked them after about 100 miles, and almost all of the needle bearings were starting to stick. 3 exhaust @ . Jun 20, 2008 · Who you buy them from has a lot to do with it as well. 8 4200 315. I have a set and that i have not used yet, very good looking casting and has nothing in common with procomp other than orgin of manufacture. off set ground 460 crank 440 rods custom weisco pistons built in 89. My motor is STOCK with good fasteners, cam, intake and carb, and is a tick away from going in the 8s. Update 10/08: Some of these heads have been known to get shipped with valves that may be too long and Oct 31, 2008 · You have a very similar setup to what I have. Let's get on thing straight though. 5 3800 268. the ad is almost the same. I have rejected three sets of customer supplied heads from the last guy that wanted to use them. 1460 292035293984 NEW ALUMINUM BARE Pro Comp Motorsport Aluminum Cylinder heads Bronze Valve Guides 64cc Chambers 225 cc Intake Runners Machined for 2. 7 367. Solid bronze valve guides. 7 3200 212. 7/8 hookers Offy intake M/T covers, all MSD, C6"banger" Versilly 9 in. Jump on Board . Please provide pictures of the entire intake and exhaust sides of the heads, as well as the valve spring area. Oct 27, 2018 · The water jacket holes in the block and heads are quite often much larger than the hole in the gasket. PC3037C/FF281. Joined Aug 31, 2009 · 168 Posts #41 Jan 31, 2020 · Pro comp 295cc heads for BBF any good?www. Any ways, here is a pic of (in order) GM 781, PRO- RACE, GM 074 and GM 990 heads side to side for comparison Jan 7, 2009 · i used the pro-comp heads for over 2 years on my race car and aquired a great deal of data on the heads during that time, last june i switched to the TFS street heads #4 and have since gathered more data in comparision with the pro-comp heads. Oct 21, 2009 · I'm planning on redoing the top end of my 402 bbc, cam, heads etc. 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. 320cc Intake Runners 115cc Chambers Spring pads are machined to 1. I have bought many sets of the SBF CNC heads and they are nicer appearing than the Air Flow Research heads and many $$ less Mar 20, 2010 · Granted they arent aluminum, but the World Sr heads arent bad (at least from my experience), and are pretty close to the same price as the pro comp heads. -Mighty Demon 825-Cam TBD-Miller rockers-Hooker Super Comps-3" exhaust-AOD w/non lock-up 3000 stall-3. 00 total, that was including price of motor as well. Will ship straight plug unless you request angle. so these heads have to be pretty good i would think. Dec 22, 2021 · The shop first tried to sell me a smaller 185 head made by Liberty. I was hoping for some 6. 2 348. 02 INTAKE AND 1. What started out with a small offering has grown to be the most complete range of off-road suspension systems, wheels, tires, lighting, shocks, leveling kits and accessories in the industry. No porting. I've seen some good running cars at the track running them. 3 3600 247. 3 3300 218. Definitely do a better valve job. fits 289 302 351 and all ford stroker engines; 62cc combustion chambers; 2. MSD was successful recently in getting a court order to make Pro Comp stop manufacturing their blatant rip off of the 6AL box. Motor is in a 1967 firebird. Honestly be better off ditching those Pro Comps and finding some alum. 95 in the 1/8 th @ 99mph I bought the heads bare and put in my own hardware. The best bang for the buck head is going to be the P-51 if you want to stay with a standard style port. I looked for some alternatives and found Pro Comp. Feb 6, 2007 · My problem with ProComp is the wide range of their 'quality'. 185 probably intake runner? I called Pro Comp and they have no record of that number. com merchandise Apr 24, 2012 · Pro comp heads I have the new revised 210/ 64 pro comp heads on my sbc 383. It just the luck of the draw. I fell for it. if you are running solid roller comp makes . I've seen plenty of broken off rocker stud bosses on aluminum heads (all different brands). Heads use OEM type 318-360 "LA" shaft rockers Bare heads. the aluminum is sooooft and porous. profile. COM. same as BBF plus will require pushrod clearencing require special head bolts and offset rockers. The air flow graph is right off the Pro Comp Electronics web site:noway::yes:. bronze guides and hardened exhaust seats. 1489 heads a try. t. 250 int. The question was asked to start this thread "Are pro comp heads any good?" The advise was given , by some experienced and/or expert builders. C. Hydraulic roller 588 lift Pro-Comp heads big valves roller rockers 1. I picked up a set used and one head has the number PCE 3051 704 0225 and appears to be the as cast version. 620 Crane solid roller cam, blah, blah, blah. The other head has number PCE 3051 704 0226 and has been CNC ported does the 0226 signify the cnc version or has this head been cnc ported elsewhere?It appears the heads were either mis-packaged if they were sold Find many great new & used options and get the best deals for SB Ford Aluminum 210cc Cylinder Heads Assembled 302/351 Pro Comp 3038 at the best online prices at eBay! Free shipping for many products! Dec 13, 2008 · Livernois Racing, a topline north east hi performance Mustang parts dealership and engine shop, has a great deal right now on 210cc Pro-Topline (now RHS and not to be confused with the Chinese Pro Comp!) Aluminum heads for 1/2 price. 3 3700 258. neither of my friends valve seats have fallen out, yet. 2 3100 202. Feb 20, 2010 · Pro Comp heads? good or bad. I don't know anyone who's had problems with them being leakers, cracking etc. Apr 1, 2014 · Yes the PRO Comp intake ports do not line up and the way they lay the port out is off so there is a clif on the back side of port by the push rod if you do not care then they will bolt on thats about it . So to me Pro Comps arent that good of a bang for the buck. 10. and flowed the brodixs race rite heads will not flows posted numbers but flow is not evey Nov 11, 2011 · In my testing, the Pro Comp heads were down 50 HP to the 218 cc CHI 3V with everything else identical (intakes, headers, flat top piston short block) on a 400+ HP street 351C. 100" off can expect to have to slot the bolt holes in the intake too. 66@140. the heads need some finish work by a machine shop,valve guides need honed to size on mine. Poor quality control on the SpeedMaster heads. Combustion Chamber: 60 cc Springs: 1. Machined for 2. Have a ton of passes on them and no problems. They are both made of aluminum and layed out so as to replace a stock Oldsmobile cylinder Dec 15, 2024 · Spark plugs for BBC Pro Comp heads Jump to Latest 365 views 3 replies 3 participants last post by Mista Bone Dec 16, 2024 May 29, 2018 · Are the heads drilled for both standard and Vortec intakes manifolds?? If so, they very well could be Pro Comp heads (trash). 320cc Intake Runners; 119cc Chambers; Spring pads are machined to 1. Oct 11, 2009 · Scat Rods Pro Comp with 7/16 capscrews/profiled beams/bushed. looking for people who have used them and what they think. 2004 GTO QSM 348/80e with a brake May 31, 2010 · The valves used are nearly as hard as playdoh, and these were bought straight from pro comp with pro comp setting them up, but that wont do anything. Oct 31, 2012 · When my old man built the engine in my 68 it was a low budget sbf 357w we bought the pro comp heads bare they were a cheap copy of the vic jr seeing i had a 408 in my fox with the vic jr heads i was able to compare side by side and honestly they arent perfect but after extensive port work throwing in our own valve and springs having the heads machined i had about $1100 into the pair and they Jul 28, 2017 · I don't know anything about pro comp heads. 600 CHECK OUT OUR EBAY STORE FOR OTHER CYLINDER HEADS AND Feb 1, 2009 · The Comp cam was combined with a double roller timing chain, 1. 9. Oct 25, 2021 · In my experience with low cost chinese knockoffs, ProComp is the name that a chinese company that counterfeits American products changed to after major problems. 00 A pair of Kaase Boss 429 heads bare are $3,600. Ford engineers obviously did that to insure that the holes in the head and block lined up with each other and the hole in the gasket actually controls the amount of coolant that flows from the block into the head through the gasket. 620 lift on a 108CL, Holley strip Dominator intake, Holley 850DP, TH400 with a 4500 nitrous converter, 4:10 gears and 29. 0 electric fan. 1005/6 292071057911 302267618285 New Complete set of Aluminum Small Block Chevy Motorsport heads. 42 Mar 1, 2009 · OCT 09 ISSUE OF MM&FF They took a junk yard 302, trick flow cam, these exact same pro comp heads, roller tip rockers, eglin hardened pushrods, parker funnel intake, and a 750 holley carb and made 399hp 363lb of tq and it only cost them $1,064. Jul 29, 2013 · i found a place i can get a good deal on some pro comp heads and need some feedback. 600 or so and all the valve sizes and recomended parts advertized with the heads match word for word with the specs Pro topline had in there catalog for their Pro Thunder heads. 1971 Malibu, factory buckets/full gauges/console, 383 roller cammed small block, Turbo 400, 3. Check the valve stem clearance. effort for 92 pump gas. EQ heads come from Australia, RHS heads come from New Zealand and Pro Comp heads are made in China. I have a set on a really mild 351W and it runs 7 ohs in the 1/8 on pump gas. He knows the owner of Pro Comp, and uses these heads exclusively on his low and mid budget crate motors. FF281. 6. Oct 19, 2016 · Yes the valve stems are the same length as the Edelbrock Victor heads. The TFS Street head requires no modification to bolt on but the P-51 will require the same valve reliefs as the new SCJ. heads have good parts in them, and has a comp solid roller, chain and lifter, but everything else is *****. 5:1 speed pro pistons, Crower 252/262 @. PC3017-64/PCE281. Jun 15, 2020 · He suggested they were probably actually made by Comp Cams or one of the other US companies but had Engine Pro engraved on them. Procomp heads are available bare, complete and fully CNC machined. 050 . May 24, 2014 · Pro Comp I have had a number of calls concerning Pro Comps big block cylinder heads. the rectangle motor was a low budget slap together with a . 200 103 101 . cam, team g and pro systems 850. Pro Comp History In 1992 Pro Comp began offering products for off-road enthusiasts. 90 at 122mph and 6. also just got a pc #3218, the ports are a Mar 20, 2010 · Granted they arent aluminum, but the World Sr heads arent bad (at least from my experience), and are pretty close to the same price as the pro comp heads. 400 THICK DECK CAN BE Apr 26, 2010 · i was wondering if anyone had any problems out of sbf pro comp aluminum heads with 210 runners and with 70 cc exhaust and 60 cc chamber with 202/160 vales and 600 lift has had any problem with their efi pro comp spyder intake bolting up the block has not been milled and neither has the heads the head gaskets are . If you are looking to build a 400-500+hp engine, give our PCE281. with the head FULLY done by headbytes you are Nov 8, 2020 · Work in progress, FTI custom cam, Trickflow heads, 1. Mine is a 468 with the Pro Comp 320 heads, Manley valves and Isky springs, 10. Dual-Quench Combustion Chambers Bronze Valve Guides Hardened Seats For Jan 10, 2010 · mopar heads. Thanks for the information. That and a buck will get you a large coffee at McDonalds. BRONZE GUIDES AND HARDENED EXHAUST SEATS . May 29, 2009 · In the end, Pro Comps are very much a liability as compared to a more expensive, quality cylinder head. i have a tube gt-40 intake and i'm gonna spray it. the oval motor tested fair for a puny cam, carb and intake. My opinion is they aren't worth all the hassle. Mill the heads for sure to get them flat. Pull after pull with the Pro comp heads the best he could do was 588 hp. Uh huh, look no further they are Pro Comp:sad:. Keep in mind that these are not the Pro Topline name brand heads. 8 with a trick flow cam, F. I've got a friend that runs a well respected shop locally, he says that all the Pro Comp stuff indeed needs to be checked over real carefully, and may not be the very best performance wise, but he sells alot of it and has had no return issues. maybe you'll get good ones or maybe you'll get two nice boat anchors. 5 CFM intake and 203. Yes, I know 9 cubes counts for something but, with the extra $1000 for cnc ported Edelbrock heads, in addition to all the other little advantages that the 496 enjoyed, I would've expected it to have made more of everything across the board but, it didn't. The guides were so bad it started to foul the plugs . not bad in my opinion. the smaller port/valved AFR 185: ProComp (independent test): Intake Exhaust. 6 EXHAUST VALVES PLUS . Jun 8, 2007 · Pro Comp heads, and parts in general. i have 2- 383 sbc one with dart pro 1 alloys 525 hp and one with dart cast sportsman aprox 430-440hp cruiser,i still think the best However, no problems have shown up in these Pro Comp heads after doing our CNC porting program. Took my pro craps off of my 533 to have them cc'd found out that the cambers where 93 cc's not the 74 as they were advertised. valve and 1. We proudly carry powerful small block, big block and aluminum cylinder heads that will raise horsepower and help optimize your engine's performance. 8 343. 0/1. 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. Go to any other Ford forum (probably GM OR CHRYSLER, also) and they will tell you the SAME THING. Footer. 5 3900 279. The heads you have are the same as the 78cc CNC version, yours are just not CNC'd. All Procomp aluminum cylinder heads feature the following: High Grade Aluminum; Bronze Valve Guides; Hardened Seats; Advanced Port Design for greater flow Feb 21, 2015 · The Felpro 1003 is what I am using on my 377 w/ the Pro Comp heads. However,you still have people selling 2nds & old stock on Ebay & other places. Fuel Injection Systems Jul 15, 2014 · I'd cut the heads and see how the intake sits then decide what to take off the heads, etc Get out towards . 2012 GMC Terrain Feb 15, 2013 · A seller has these numbers listed for a set of Pro-comp 460 heads. working to the other "better" brands of heads to make them outperform the Dec 1, 2006 · Name's Darl Jeffries, of D&J Machine in Phoenix AZ. w/land speed gears. Feb 18, 2010 · a friends 331 ford stroker motor with pro comp heads, had it dynoed at jack merkel and the motor turned 447 hp 410 fl lbs tq. 00 on a single head. We can supply anything you need to finish up your engine topped with these new heads. 1 3500 234. Sep 28, 2008 · Fortunately for me, they weren't damaged as much as some of my friend's ones were. I have not seen a set with their hardware so I cannot comment on that part of the heads. 46 Complete heads also available with one piece swirl Jan 28, 2014 · unfortunatly you will get a lot of different opinions on procomps alot of guys use the castings and stay away from the the valvetrain componets,i think vortec heads are awsome because of there low lift flow cappacity 420 hp is easy 383 and vortecs- 520'' lift cam. 8 or so out of mine so it looks like I will be in the ball park. there is another head that sells for 906. the car has stock e7 heads now so anything will be an upgrade. pro comps out the box being good they all need work if u do have get them I would not for any reason but if u do then buy them bare the pro comp parts also suck take them to a machine shop have everything checked and fixed have ports cleaned up and bowl work make sure check vavle guides and every bolt hole in them ive seen them where no two Dec 29, 2006 · Here is a flow test of the Pro Comp 210 heads (unported) vs. 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. 07 Pro Comp does make an intake for it which is a CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS. Even if Pro Comp makes it good, you still are down, and all I've seen of their making it good didn't involve labor, gaskets, oil, etc May 24, 2018 · A pair of bare procomp boss429 heads are $3,000. if you use pro comp rockers they are only . 331ci, 400hp, dyno tested, every time. Cris Our Philosophy on Horsepower Jul 5, 2007 · I have a stock 351w with stock cylinder heads. 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. The ones I had on my engine were actually marked PC3002S. Performance cylinder heads enhance the airflow into your engine, giving you improved power and torque. 180 offset lifters that help and you can buy retro cups To ensure you receive genuine Procomp heads and parts these heads are drop shipped to you directly from Procomp. 6 roller rockers, explorer intake, BBK shorties, offroad H-pipe with Flowmasters, 30lb injectors with Pro-m meter, BBK 65mm throttle body and spacer. After some reasearch, it seems that the pushrod holes on some of these heads may be in the wrong location and need to be modified. 00" Will be watching these Pro-Filer heads. What made the engine actually run well, was removing those junk Pro-Comp heads and installing a set of aluminum DART heads. Sent the heads to the machine shop to have them shaved down. With that said it seems like there are a lot of "what ifs" with these heads. Procomp offers a wide variety of aluminum cylinder heads for both race and mild street applications. 00 $600. None of the 12 friends I have that bought the Pro-Comp heads is still running them, they just have too many ongoing problems. but he had to replace all the springs. It appears that they are indeed the Pro Comp 3037 heads. 6 valves, pair of flowed 750 dp's on top of a 8-71 from the Blower Shop. 880 exh. All Procomp aluminum cylinder heads feature the following: High Grade Aluminum; Bronze Valve Guides; Hardened Seats; Advanced Port Design for greater flow Procomp offers a wide variety of aluminum cylinder heads for both race and mild street applications. I have had experience with three sets of these heads. Nov 15, 2016 · The numbers stamped on the heads are: 9217-185-2010-11-20-1006 9217-185-2011-02-08-0251 No other identifying marks on the heads. f. here it goes. I avoided saying anything about them in Volume I but too many inquiries and complaints prompted me to do otherwise here. By the time you replace the valve seats and valve guides in the pro comp heads you are spending more than the cost difference. after a visual inspection the only minor Jan 10, 2017 · My buddy built an entire Procrap engine for his sand drag blazer. Bolt on a set of Speedmaster's fully assembled cylinder heads for instant power gains. I imagine everything after 9217-185 is the date/batch codes. 4 360. PC3048/9, PC3048/9C New Chrysler Aluminum Small Block Motorsport Cylinder Heads, 65cc Combustion Chambers 170cc Intake Ports. Rialto Ave. 740 to except the largest roller springs Bronze Valve Guides Of the ones I've sent out of here I have fitted them with American made hardware. 2. I just slapped the stands on to show the gap. Oct 4, 2009 · 71 Mustang coup 500 in. 600 solid roller by lunati. 76 exh. Dec 9, 2008 · the procomp heads are mass-produced in china BUT they were machined in austrailia, so all the spec work is austrailian, the mold was sent to china and that is where it is mass-produced, Nov 20, 2007 · The Edelbrock heads even had 5cc of volume over the Patriot heads. com) Dec 6, 2007 · I called Pro-comp in Calif and talked to Mitch who has been there for a long time and got the straight scoop on the heads, here goes: The procomp heads have been manufactured for about 5 years and marketed for about 4 years. 0 4000 291. 3000lbs and I am running 10. Pro Comp also makes an exact look alike knock off of Flex-A-Lite's 5. if you put any halfway decent valvespring on it, itll likely pull the rocker studs out like my buddy who has the bbc set did. Any cleveland 4V-A3 port intake/gasket will work on these heads as the ports are basicly a copy of the old stuffed 4V/svo A3 b,c design, also have some ford motorsport #9424 ints when port matched would fit good. Must be a reason we don't =D. If you buy them from a good dealer that uses the correct ,quality Nov 26, 2007 · The 383 had a 4340 assembly,SRP blower pistons,custom ground mech. Jan 4, 2005 · After mocking up the Pro Comp heads, I found out that the pushrods are rubbing on the top portion of the hole. PC3021 New set of BARE Aluminum Big Block Chevy Motorsport Heads (2 heads) Produce Up To 748 HP Out Of Box With Advanced Port Design Manufactured from 356-T6 aluminum Have Accessory holes to except factory accessories. If I were them, I wouldn't claim these heads either. They are better now. dart. Jun 21, 2008 · Here's my pro comp story, and yes stay far away from these pieces of ****. Speedmaster™ Cylinder Heads ; Back to Top . 02 Intake Valves Machined for 1. 19" int, 1. 100 long; machined for 1/2 " head bolts; optional spacers for 7/16 (302) head bolts available. Made in China. I found a pair of pro comp aluminum heads. 1011. Aug 21, 2007 · Now, as far as the procomp heads, here is what he told me, he said that the pro comp #3058 heads were 75cc heads he just bought bare castings, he installed REV valves in the heads at 2. I bought the CNC heads as they were out of stock on the regulars. as you stated in you original post we can't drop 1500. i am a dealer for brodix. just dont want to jump on that better deal and find out its ****. It has a mild cam and is bored 30 over i have been looking at some pro comp aluminum cylinder heads that are complete part # 3037. Was wondering if anyone have used them or know anything about them. Here is a link to Hughes Engineering that explains some of the quirks that they have seen. Feb 21, 2009 · 4V-A3 intakes/gaskets I might be able to help your buddy as my friends and I have the usa Avenger cnc version of these budget import heads. The new Victor JR heads are $2000 and I would have to install my springs because this head has springs for a flat tappet cam, no big deal there. 6 Sep 19, 2006 · RHS and Enginequest have COMPLETELY different cylinder heads available. . 1 3400 224. Jump to Latest 41 - 60 of 101 Posts. Shop our entire collection of professional-grade cylinder heads today at JEGS High Performance! Mar 17, 2010 · "The Home AirWolf Cylinder heads" The most powerful Standard Port location 23° heads on the planet 4. 60 first time out with these heads. 0 Jan 22, 2025 Dec 9, 2008 · the procomp heads are mass-produced in china BUT they were machined in austrailia, so all the spec work is austrailian, the mold was sent to china and that is where it is mass-produced, Mar 28, 2009 · Pro Systems 1050 Harland Sharp Rockers Comp solid flat tappet Hooker headers NOS big shot plate MSD dist. Rialto, CA 92376, USA +1 (310) 361-0020. So, I bought these Pro Comp heads, 210cc/SBF, for $420. Larry Dec 1, 2006 · Name's Darl Jeffries, of D&J Machine in Phoenix AZ. I run 310cc Dart Pro1 heads which I love. The answer is HELL NO !!! Why don't to some cheby forum and start this ****! We are committed to customer satisfaction, and will respond to your request within 24 to 48 hours. He scraps (Pro Comp has no return policy that I know of) about 1 head out of 20 for incorrect machinework, and poor quality etc. I just got the pair I ordered from them and they are beautifully done. 6 388. 19 - 171 no valve job he said the seats and valves were ready to go so he just installed them, the roller cam he is using is IDENTICAL to mine, he also uses an May 8, 2007 · A friend of mine said that they took a lot of work to make them right (valve guide clearences, etc. For immediate assistance during normal business hours you may contact customer service at 1-800-776-0767 or at INFO@PROCOMPUSA. 02 and 1. Those heads (Patriot) work well on our combo. 1101 W. Feb 27, 2012 · the pro comp units on ebay do not specify "victor" they run 969. Sold individually. jkqfebl rputka gwbzh aegwym llqpd matk oel kftv vadkba isydo xdjcqcp zjhrh worny wseypy ktydcoy