Note: Use ARP head bolts with step washers for 302 engine blocks part number 070-154-3701. i m pretty new on the head porting game. The theory is that high swirl numbers (rpms) offer better fuel distribution and increase combustion chamber burning efficiency. Why buy a set of heads with the wrong parts when we can build you a custom ported set of heads complete, ready to bolt on with the right parts. 60 valve size; Screw in studs; Large spring pockets; Multiple intake bolt patterns; Multiple valve cover patterns; 906 casting number; Hardened seats; Machined and Assembled in USA; Assemblies include: 21-4 valves 3/8 stud guide plates. When looking at the flow numbers for various aftermarket heads, keep in mind that airflow depends on many things: the profile and volume of the runners, the shape of the bowls and combustion chambers, the size of the valves, the angles on the valve seats, the rate at which the valves open, maximum valve lift, duration and overlap. 2 thoughts on " To The Maxx: Our 572 Big Block Chevrolet Makes 850 On The Motor With ProMaxx 340 Heads " Bill Sweeney May 25, 2016 at 9:29 am. I am just wondering about flow of the heads I don't know much about flow numbers. 65 exhaust valves. ProMaxx Performance 1102 Details 175cc Aluminum Small Block Ford Cylinder Heads. I'm glad to hear you are happy with your edelbrock heads, I'm not. 02-inch intake/1. The larger 2. 185cc SBF Nitrous Exhaust Flow Chart Tested on 4. Big flow numbers and a small runner size produce air speed and power. AFR is one of the most advanced cylinder head companies in the world and continue to prove it with superior quality and performance. 005 I think that will be ok for the street. It has all the bells and whistles and even gives us information that we didn't even ask for. Bigger runner and bigger valves mean more power! Just ask dirt track racer Shawn Guffey, who has won every race and back to back track championships since installing Vortec heads on his A Hobby ride. Shop for discount Chevy Small Block Cylinder Heads here. Your CID and desired rpm range sets the demand of the engine. 125 raised exhaust port Tested on 4. Why buy a set of heads with the wrong parts when we can build you a custom ported set of heads complete, ready to bolt on with the right parts. 00 Precision Race Engines Aluminum Small Block Chevy Cylinder Heads. Most flow numbers for DART heads were from DART or their Web Site updated Aug. For those of you that go old school and want to use the legendary GM Square Ports this is your cam. Nope, quantity says sold as pair. Vortec heads are available bare or assembled. I would port what I had if I had to run the others you chose. Cylinder heads involve a lot more than just rocker arm ratios and valve spring installed heights. 006" per cc 54cc Max (from 58cc); 68cc Max (from 72cc);. Now for the conclusion of the flow testing of the BBC ProMaxx 360 with the 5# intake port, or the straight port. PROMAXX Performance Freedom Series Small Block Chevy Cylinder Heads 2168. AFR# 1422 - 185cc Renegade Heads, 58cc, Emissions-Legal AFR# 1492 - 185cc Renegade Heads , 60cc, Emissions-Legal $175 extra - Upgrade any heads with standard chrome moly steel retainers to titanium retainers, check our eBay store to order. To address this weakness, our engine builder has done some mild pocket porting work and back-cut the exhaust and intake valves to improve the low-lift flow. AD Performance SBF 175 ProMaxx Cylinder Head [9175] - ProMaxx Performance 9175 MAXX Series Aluminum Cylinder Heads As-Cast Quick Overview Our Freedom Series heads have started a revolution in the performance world. Find PROMAXX Performance Cylinder Heads with 185cc Intake Runner Volume (cc) and get Free Shipping on Orders Over $99 at Summit Racing!. Two new Edelbrock 15-degree SB Chevrolet designs from Mike’s Racing Heads. We offer a plethora of Small Block Heads for your vehicle needs. Negatives are as I mentioned earlier. It's always best to test/compare on the same bench under the same parameters, same operator. Pro Filer Small Block Chevy All American Heads with 185cc Intake Runner, 2. These heads flow acceptable intake flow numbers for a stock head, but suffer greatly from a weak exhaust port. 0L Powerstroke cylinder heads with the ProMaxx 9602 Aluminum Cylinder Head. PROMAXX Small block Chevy assembled alum cylinder heads. BES does not build winning combinations based on flow numbers, but, everyone asks for them as a baseline, and that is why we are posting them. 429/460 Ford Cylinder Heads. International Shipping Options Call 1. If you need the worldÍs finest street/strip small block Ford head, check out AFRÍs all new 185cc intake port emissions legal (CARB EO #250-3) cylinder heads. Dart offers two iron street heads for small-block Chevys; the Iron Eagle that comes in various port sizes and the Iron Eagle S/S that is smaller, but still outperforms factory replacement heads. pistons Part # H631CP, 2 valve relief flat top pistons, New Pro Maxx aluminum cylinder heads with 185cc runners and a 64cc chamber. Larger pushrods will not fit without clearancing and is not recommended since some areas are very thin. AFR Renegade S/B Ford Heads Welcome All Comers. Ford Cylinder Heads - Ford 302 Small Block Aluminum Heads, Assembled, at GREAT Prices, Selection, Customer Service, and Low Shipping Rates All From COAST HIGH PERFORMANCE. d'oh! cstraub. They are not emissions-legal. These heads flow acceptable intake flow numbers for a stock head, but suffer greatly from a weak exhaust port. "Our new Renegade line provides about a 20 cfm improvement over our previous Outlaw series of small block Ford cylinder heads. 0L Powerstroke cylinder heads with the ProMaxx 9602 Aluminum Cylinder Head. Skip to content CSI Automotive Sales, Service & Parts. 6L 2V with Trick Flow® Twisted Wedge® top-end engine kits. 4L 2V Trick Flow Twisted Wedge and Track Heat 185 series cylinder heads are the. Your CID and desired rpm range sets the demand of the engine. Twisted Wedge ® 185 and Twisted Wedge ® Track Heat ® 185 Cylinder Heads for Ford 4. I started seeing some weird things when doing a "test fit" of my intake manifold. Replacement Engine Parts Manifolds, Exhaust, Head Gaskets. All submissions will be given credit as to source. For big block Chevys, these aluminum heads are great for engines being built for drag racing thanks to their excellent list of features. AFR# 1492 - 185cc Renegade Heads, 60cc, Emissions-Legal $125 extra - Upgrade any heads with standard chrome moly steel retainers to titanium retainers, check our eBay store to order. Cylinder Heads, Assembled, Cast Iron, 64cc Chamber, 185cc Intake Runner, Straight Plug, Chevy, Small Block, Pair. Flow numbers on 4. With many years of testing, ProMaxx Aluminum Cylinder Heads have multiple advantages over the factory style cast heads such as increased flow, increased power, better cooling, and a weight reduction at over 42lbs less per cylinder head compared to stock. The 350 has flat tops stock bore size the heads i wanna run are SBC 190cc 2. Unfortunately production issues kept delaying the release of the AFR 165 and 185 heads, and we, like many others, wrote the heads off as vaporware. Blue Thunder has long been known as a leading manufacturer of high performance cylinder heads for 460 Ford high performance and racing engines. The heads offered in this sale arebareas pictured below. Don't let the size fool you, flowing over 260 cfm, this head makes real power. Find many great new & used options and get the best deals for AFR 1388 SBF 185cc Ford Renegade NON-Emissions Aluminum Cylinder Heads 347 351w at the best online prices at eBay!. Their 185cc heads out perform the dart shp 200 heads and comparible edelbrock heads. Fully CNC ported 185cc intake runner volume and 70cc exhaust ports for maximum air flow. It has an open combustion chamber with a volume of between 66 and 72. Trickflow heads on an LT1. These AFR 165 "Renegade" series cylinder heads come ready to go for the maximum street/strip small block Ford performance possible when using a stock short block and OEM pistons. Quantity: Sold as a pair. All of this combined to dramatically increase airflow over the stock heads, with peak flow checking in at 277 cfm vs just 157 cfm for the stock heads. 00 lbs Intake Runner - 185cc Exhaust Runner - 62cc Intake Valve Size - 2. 660, FT or HYD Erson springs. Not seeing how assault heads would be better. The ProMaxx MAXX Series Small Block Chevy Aluminum Cylinder Heads are taking affordable performance street and strip cylinder heads to the next level. Trick Flow Specialties teamed up with Summit Racing Equipment to test the true power of Trick Flow aluminum heads on a 1956 Chevy Bel Air. They not only out flow but also out burn the older heads. The SBF heads come as cast with a 185cc intake. Check pushrod clearance with heads placed on the block before final assembly. 02" intake/1. 150 intake valves and 1. The Twisted Wedge 185 heads retain the port shapes and locations of the factory Power Improvement (PI) heads, so PI-compatible intakes and headers can be used. stealth heads won't flow near they're advertised numbers. And flow just as good or better than the real darts. Given the flow rate of the heads, it will support a much wilder combination, but worked well nonetheless on this milder street stroker. SBC Bare STRAIGHT PLUG Aluminum Heads 64cc Chamber, 200cc runner ** These 200cc runner heads have made 30 hp OVER ANY of the 210cc heads we have tested in this same price bracket** These heads feature Hardened Seats Bronze Valve Guides High Grade. A mate has just done this build (363ci, Dart block, AFR185's, Hyd Roller, 6500rpm) and itmade 500. d'oh! cstraub. 0L Powerstroke cylinder heads with the ProMaxx 9604 Aluminum Cylinder Head with O-Ring. Re: Nod to Promaxx Maxx Series SBC aluminum heads The valves included looked to be decent enough, although yes I did check all of them for leakage with a flashlight and found that what would be #5 exhaust if on the left of the engine was letting light through on both heads. The theory is that high swirl numbers (rpms) offer better fuel distribution and increase combustion chamber burning efficiency. The flow tests resulted in 250 cfm through the intake port at 0. But, the numbers on the TFS heads are so tempting. Our dyno airflow meter showed almost a 20-cfm gain in airflow usage because these heads. Shop D&J Precision Machine Ported Cummins Heads. My old engine builder used them a lot. Ultimate Chevy Big-Inch Small-Block Cylinder Heads Cheat Sheet Now we get into the heart of small block power. 250 Intake valve and over 400 with 2. Since there are multiple options in heads with different flow rates, then you need a camshaft based on what the heads can supply. 90; Buy It Now +C $49. Many SBF 165cc, 185cc, 195cc, 205cc, and 220cc Head sets in stock ready to ship with free shipping, email or call now to check if your desired part number is in. I was planning to reuse my Gt40x heads but have enough funds for a head change. a head to meet the needs of the SBF world, while. When we port a set of heads, we gauge each runner in certain KEY Locations for MAX FLOW. While our 195cc, 205cc and 220cc heads are designed for aggressive. If you need the worldÍs finest street/strip small block Ford head, check out AFRÍs all new 185cc intake port emissions legal (CARB EO #250-3) cylinder heads. The secret: Twisted Wedge combustion chambers and intake valves moved on the opposite side of the cam. 4L 2V Trick Flow Twisted Wedge and Track Heat 185 series cylinder heads are the. Re: Promaxx heads, anybody run em? posted the wrong part numbers, shouldve posted 2104, these are the bare ones, i dont need assembled ones with hydraulic springs for a solid lifter setup. Been there. GT-40P heads = 190cfm Most aftermarket aluminum heads (Holley, Edelbrock, etc)= 220-230cfm TFS and AFR 165 = 250cfm Race heads = 260-280cfm Stock intake = 135cfm Explorer intake = 190cfm Cobra/GT40 intake = 200cfm The big flow aftermarket aluminum heads won't give you any hp over the GT40P heads if you don't have the rest of the setup to use them. The midrange flow numbers are fairly decent as well, with 194 cfm. Why buy a set of heads with the wrong parts when we can build you a custom ported set of heads complete, ready to bolt on with the right parts. 550-inch lift on the intake side, and are assembled with 2. 120" thick-wall pushrods. The flow tests resulted in 250 cfm through the intake port at 0. Since it is almost impossible to compare the flow numbers from different flow benches I have started this page to show you how much cfm gain I have gotten out of the heads I have ported. After extensive flow testing and dyno testing, we retained the stock valve sizes, and went with high performance springs, hardened seats & silicon bronze guides. We now have a SAENZ model 680 flow bench which we all enjoy using. Our cylinder heads are cast according to FLOTEK design parameters and assembled and inspected at our facility in Evansville, Indiana. Trick Flow GenX® Cylinder Heads, GM LT1, 185cc Intake, Chromoly Retainers, Max Lift 0. 56:1; 51cc 3V: 10. This head has produced over 550 hp on pump gas and mild cam. All other cylinder heads and parts, including crankshafts, head bolts, gaskets, pumps and valve trains, are under warranty for 1 year from the date of purchase. It features professionally designed runners and chambers that are meticulously CNC ported. 60 stainless-steel valve package. Someone tell me if the new Trickflow heads are made in the USA? I want to order some TF 170 heads. But, the numbers on the TFS heads are so tempting. The flow for the new Edelbrock 351C Aluminum Heads ($909. 572 BBC-ProMaxx Heads Big motors make big power, and nothing thumps out power like a big-block Chevy, except an even bigger one. The small block Chevy 180cc cylinder head was the foundation in 2007 for FLOTEK Performance Heads. At Abbotts SuperFlow Port & Polish we take a lot of pride in porting and polishing intakes and cylinder heads. ProMaxx Performance Maxx 317 Chev BB Aluminum Heads Made right here in the USA. ProMaxx Performance 185cc Aluminum Cylinder Heads Small Block Chevy 185cc Aluminum Cylinder Heads; Your phone number appears to be invalid. 383 Stroker Engine 490Hp ProMaxx 200 cylinder heads "WARNING" DON'T- bolt on "New in the Box" heads on your motor without ProMaxx SBC 247cc/ 319 CFM Conclusion/Final. Afr 185 Sbf. 383 Stroker Engine 490Hp ProMaxx 200 cylinder heads "WARNING" DON'T- bolt on "New in the Box" heads on your motor without ProMaxx SBC 247cc/ 319 CFM Conclusion/Final. Just wanted to know the flow on these bare heads. How do I get in contact with Richard Holdener? I’m looking to build more low end torque from my ’93 Crew Cab dually that already has a “passed Cal smog” 489 ci BBC. 120" thick-wall pushrods. Equals heavy. All flow numbers for David Vizard heads come from Web Site updated April '08. Big flow numbers and a small runner size produce air speed and power. These heads come standard with a 60cc chamber and valve jobs for 2. The secret: Twisted Wedge combustion chambers and intake valves moved on the opposite side of the cam. 250 Intake valve and over 400 with 2. Please contact us to confirm correct vehicle fitment and usage. OK, saving a few pounds helps. Mark, what kind of flow number do you need to see out of the 781's to make that kind of power? I'm trying to do the work to get the results Bob, just guessing but those heads probably had a average of 310 cfm @. 600 exhaust valves, combustion chamber volumes of 58cc or 72cc, and 69cc exhaust ports, AFR's new 185cc Ford head is designed for 302-351 cid engines operating. They're fully assembled with valve springs, retainers, locks, guideplates, studs, and seals. Independent flow bench testing shows over 385 cfm with 2. Originally I wanted Trick Flows, but I heard the twisted angle of the intake calls for quick valve guide wear. Air Flow Detail #174X BBC Sniper CNC Head - 375cc Runner. Any head flowing 140,200,250,275 from. It has a 357 SBC in it with cast iron Vortec 062 heads which have 170cc intake runners I believe (all 062 heads do, right?). 572 BBC-ProMaxx Heads Big motors make big power, and nothing thumps out power like a big-block Chevy, except an even bigger one. With intake flow of around 400 cfm and an extraordinarily fat flow curve throughout the range (see flow chart), these heads seem to have what it takes to make outrageous power. 120" thick-wall pushrods. At 3,900 rpm these heads produced 491 lb-ft peak torque and. The cylinder head based on its flow characteristics will deliver the air and fuel. for Ford 4. Home » Jeep Engine & Fuel System » Block Internals » Cylinder Heads » ProMaxx Performance Products ProMaxx Performance Cylinder Head with Valvetrain ProMaxx Performance Products CHR640N ProMaxx Performance Cylinder Head with Valvetrain for 91-06 Jeep Wrangler YJ, TJ, TJ Unlimited, Cherokee XJ, Grand Cherokee ZJ & WJ with 4. For example, our 185cc street head used to flow 270 cfm but now flows 300 cfm. Performer RPM Cylinder Heads - Single - Complete SB Chevy, 64cc combustion chambers with straight plugs, 185cc Intake port. Barnesville, GA 30204. Check pushrod clearance with heads placed on the block before final assembly. ProMAXX Shocker CNC Series is the top of the line performance cylinder head. 125" OD intake valve and over 335cfm of flow. See Our Ford Small Block Heads In Stock Now. Flow data based on Cylinder #1 intake and exhaust port. GM's LS engines are the hottest thing to hit the scene since Chevy debuted the first smallblock back in 1955. Hand Ported - IK 195cc 2. AFR 325 and AFR 335 heads are designed for 502-540 cubic inch applications AFR 345 and AFR 357 heads are designed for high RPM, max effort 500 inch big blocks up to 632 max effort engines. i saw a vidoe on youtube of the promaxx heads. OK, saving a few pounds helps. Want to upgrade the camshafts too? Pick up a top end engine kit and get new performance heads, cams, gaskets, timing chains,. 600-inch lift and our cam barely cleared the. This sale is for a set of heads (2 heads). The Sperlings were so confident their heads would substantially out flow and out perform the competition, that they were jumping at the chance to prove it in an independent article. 600-inch lift and our cam barely cleared the 0. Please Click on the "Read More" link for additional details about this item. BES Racing Engines now offers complete cylinder head packages. They'll make good power and if weight is not a considered factor, you're in like flint. These heads deliver significant gains in both power and torque for all Small Block Chevy applications - right out of the box. For example, our 185cc street head used to flow 270 cfm but now flows 300 cfm. Since it is almost impossible to compare the flow numbers from different flow benches I have started this page to show you how much cfm gain I have gotten out of the heads I have ported. But as you stated, you don't need big flow numbers or ports. Blue Thunder has long been known as a leading manufacturer of high performance cylinder heads for 460 Ford high performance and racing engines. To address this weakness, our engine builder has done some mild pocket porting work and back-cut the exhaust and intake valves to improve the low-lift flow. Patriot Performance are no longer trading under the name Patriot Performance, please refer to their new business Promaxx Performance Products for all your Patriot Performance Cylinder Head needs. It is recorded for future reference on a computer program. Check pushrod clearance with heads placed on the block before final assembly. for Ford 4. 0L Powerstroke cylinder heads with the ProMaxx 9603 Bare Aluminum Cylinder Head with O-Rings. Unjustified IMO unless your drag racing for money. The first time he pulls the heads with that sleeve, he will be calling you. Please do not send cores in with temperature sensors and complain when you don’t get them back. Bottom end product in the same playing field as procomp stuff. 4L 2V Trick Flow Twisted Wedge and Track Heat 185 series cylinder heads are. PROMAXX Small block Chevy assembled alum cylinder heads. AD Performance SBF 175 ProMaxx Cylinder Head [9175] - ProMaxx Performance 9175 MAXX Series Aluminum Cylinder Heads As-Cast Quick Overview Our Freedom Series heads have started a revolution in the performance world. 0L LS2 engines are fully CNC-machined to significantly increase the performance of LS2-powered cars and trucks. 60 stainless-steel valve package. 125" OD intake valve and over 335cfm of flow. 60" exhaust valve. Find many great new & used options and get the best deals for AFR 1388 SBF 185cc Ford Renegade NON-Emissions Aluminum Cylinder Heads 347 351w at the best online prices at eBay!. Buy Air Flow Research 2001 BBC 335cc Alum Heads: Cylinder Heads - Amazon. 600 inch lift while utilizing a 4. The domain promaxxperformance. The midrange flow numbers are fairly decent as well, with 194 cfm. With many years of testing, ProMaxx Aluminum Cylinder Heads have multiple advantages over the factory style cast heads such as increased flow, increased power, better cooling, and a weight reduction at over 42lbs less per cylinder head compared to stock. 176-18P-03 - PBM Performance - SBC 185cc - 2. AFR is one of the most advanced cylinder head companies in the world and continue to prove it with superior quality and performance. Credit for those impressive flow figures goes to full CNC porting, including the 60cc combustion chambers and a 2. AFR# 1492 - 185cc Renegade Heads, 60cc, Emissions-Legal $125 extra - Upgrade any heads with standard chrome moly steel retainers to titanium retainers, check our eBay store to order. It features professionally designed runners and chambers that are meticulously CNC ported. 120" thick-wall pushrods. Looking for the right Chevy Small Block Heads today? Find your next Chevy Small Block Heads and other auto parts and accessories for sale on Ebay today. Trick Flow GenX® Cylinder Heads, GM LT1, 185cc Intake, Chromoly Retainers, Max Lift 0. 94-inch valves. Weingartner Racing is one of only two companies that is Guaranteeing it's flow numbers in the nation. 6L 2V with Trick Flow® Twisted Wedge® top-end engine kits. Trick Flow 215cc GM LS Cylinder Heads, PN: TEA-LS215TF-CUSTOM. The stock heads, as well as the GT40X head, had high swirl numbers. The Racers Edge Performance - Trickflow Twisted Wedge Cylinder Heads offers new ford mustang performance cylinder heads at cheap discount wholesale prices. just wanted to know if anybody ever bought these heads? are they any good? there the new freedom heads, aluminum heads at iron prices, 895. All flow numbers for David Vizard heads come from Web Site updated April '08. My old engine builder used them a lot. ProMaxx Performance Maxx 175 Ford SB (289-351W) Aluminum Heads Made right here in the U. The Twisted Wedge 185 heads retain the port shapes and locations of the factory Power Improvement (PI) heads, so PI-compatible intakes and headers can be used. The heads have patented 61cc combustion chambers with rotated intake and exhaust valves, 2. 2:1; 53cc 4V: 10. Big Block Chevrolet Compatible Heads. If you want more power from your heads then you are at the right spot. Larger pushrods will not fit without clearancing and is not recommended since some areas are very thin. to get close to the stealths full potential they will need to be sent to a head shop for work. This performance head flows 266 cfm at only 600 lift. Dyno results show 20 to 35 hp gains over the competition. Dart Machinery, LTD. 00 Precision Race Engines Aluminum Small Block Chevy Cylinder Heads. 7 connecting rods part # 35700, New Sealed power Hyper. Independent flow bench testing shows over 385 cfm with 2. AFR recommends the use of. 0L Powerstroke cylinder heads with the ProMaxx 9603 Bare Aluminum Cylinder Head with O-Rings. Brodix Ik 180 or 200cc heads -As cast Bare pair $880 -Assembled $1200. 02 but if your wanting heads you could always go with vortecs or a nice set of cast iron heads which should run. 60 valves -. Upgrade your 2003-2005 Ford 6. the guy had done saw cuts showing the ports and had tested the materail. In-Store Pickup: Choose In-store pick-up (OH, NV, GA, TX) on our web site. The World's Speed Shop Since 1968. It features professionally designed runners and chambers that are meticulously CNC ported. This item is not sold as a pair, this is a single cylinder head. Trick Flow Twisted Wedge® Track Heat® 390 HP Top-End Engine Kit with 38cc Combustion Chambers for Ford 4. 600" exhaust 273 cfm intake 209 cfm exhaust • Ideal for stock bore, naturally aspirated LT1 engines • 21 degree. SBC Bare STRAIGHT PLUG Aluminum Heads 64cc Chamber, 200cc runner ** These 200cc runner heads have made 30 hp OVER ANY of the 210cc heads we have tested in this same price bracket** These heads feature Hardened Seats Bronze Valve Guides High Grade. Please Click on the "Read More" link for additional details about this item. 2 thoughts on " To The Maxx: Our 572 Big Block Chevrolet Makes 850 On The Motor With ProMaxx 340 Heads " Bill Sweeney May 25, 2016 at 9:29 am. These heads flow acceptable intake flow numbers for a stock head, but suffer greatly from a weak exhaust port. Skip White Performance provides many high performance racing and engine products such as, stroker engines, turn-key engines, cylinder heads and pistons Call Us: 423-722-5152 Login or register. 02" intake and 1. Vortec heads are available bare or assembled. Larger pushrods will not fit without clearancing and is not recommended since some areas are very thin. com: Cylinder Heads - Quality Performance Aluminum Street Heads. Mostly the valve guids (clearance,material,and making sure there installed correctly),the seals,valve angles and seats,basicly everything lol. 4L 2V - TREperformance. The results are close to. I'm sure, in fact I would all most bet. Find Aluminum In Stock Now. With our “Undercover Porting” the flow numbers increase to 237 intake and 175 exhaust. Cast aluminum fully assembled with: -185cc intake port. MOPAR 340 X Heads for sale in shreveport, LA, Price: $1,200 RACINGJUNK GIVEAWAY - Check Out All of our Giveaways Here! - enter now It’s car show season, don't you want your own passion project to take on the road?. runner, US made bronze guides, and our 5 angle. It has all the bells and whistles and even gives us information that we didn't even ask for. Skip White Performance provides many high performance racing and engine products such as, stroker engines, turn-key engines, cylinder heads and pistons Call Us: 423-722-5152 Login or register. These 17-degree heads have been flow tested at 237cc at. It features professionally designed runners and chambers that are meticulously CNC ported. The first is designed for engines that are 468-540 cubic inches and features a 339cc intake runner. CNC'd type numbers from what head, the OOTB EQ is 172cc and they claim 171cc. The flow figures delivered in test number-4 are more than enough to make a 12. Feed Your Big-Block-Ford With Air Flow Research’s Bullitt Heads By Evan Smith September 05, 2016 Long before Ford Motor Company used monikers like “modular” and “Coyote,” Blue Oval enthusiasts relied on Windsor, Cleveland, FE, and 385-Series big-block engines to power their Torinos, Fairlanes, Galaxies, and Mustangs. Now, $1,500 later, the guy clamped his freshly ported heads onto a flow bench in another shop to show off the awesome porting job. 550-inch lift on the intake side, and are assembled with 2. There's videos on youtube where a guy had the alumnun tested, and it was top quality stuff. How to Choose Ford FE Engine Factory Cylinder Heads- Build Max Performance for the 332, 352, 361, 390, 406, 410, 427, and 428 Engines and How to Stroke Your Engine. I have these heads as well, if you use the Corvette heads they have no heat riser passages so the stock EGR will not work. (see chart below) USA moly retainers, USA machined locks, USA locators, USA 190,000 PSI studs, USA guide plates. Features include high-quality stainless steel 2. EQ cylinder heads have grown both in acceptance and usage with over 400 racers using EQ heads in multiple IMCA divisions. How do I get in contact with Richard Holdener? I'm looking to build more low end torque from my '93 Crew Cab dually that already has a "passed Cal smog" 489 ci BBC. 600 and 144 at. They include adjustable rocker studs and guide plates set-up for use with small-block Ford style adjustable 1. Upgrade your 2003-2005 Ford 6. I started seeing some weird things when doing a "test fit" of my intake manifold. This head has produced over 550 hp on pump gas and mild cam. the guy had done saw cuts showing the ports and had tested the materail. All flow numbers for David Vizard heads come from Web Site updated April '08. com FREE DELIVERY possible on eligible purchases. Trick Flow GenX® Cylinder Heads, GM LT1, 185cc Intake, Chromoly Retainers, Max Lift 0. Originally Posted by mike tkach question for getrdunn,what will the total cost be when your promaxx heads are in your hands and ready to bolt on?and Promaxx 320 flow numbers - Page 16 - Offshoreonly. Compare flow numbers and then look at the price. We should be able to ship heads late October or early November. Related products. PROMAXX Performance 2150 - PROMAXX Performance Vortec 185cc Iron Cylinder Heads Compare Cylinder Heads, Cast Iron, Bare, 64cc Chamber, 185cc Intake Runner, Straight Plug, Chevy, Small Block, Pair. 3/8in screw-in rocker studs, no guideplates. 0L GT and Cobra, or any other fox body mustang, part #1422. As with most engine components, bigger isn't always better and selecting the right heads is crucial to making big time horsepower. Whether you are a race team or a professional engine builder, EQ is the approved supplier for the IMCA Sport Modified and Hobby Stock Cylinder Head. 250 Intake valve and over 400 with 2. 60" exhaust valve. Budget Aluminum cylinder heads I wanted to take a second to put out some positive feedback on some inexpensive aluminum cylinder heads I purchased for my 347 build. The ProMaxx Performance Small Block Chevy Cylinder Heads are manufactured from cast aluminum and are offered with straight or angled spark plug ports, a variety of intake port runner, combustion chamber and valve sizes to work on all of your performance engine builds from mild to wild!. Since there are multiple options in heads with different flow rates, then you need a camshaft based on what the heads can supply. Trickflow 2015 Catalogue. Upgrade your 2003-2005 Ford 6. I want to know if swapping to Promaxx Maxx series 183cc would be good for my application and what kind of gains I might see. Let me take a guess is it a super flow bench and have you ever checked calibration. The Vortec Bow-Tie heads are beefed-up Vortec passenger car heads with better air flow, a thicker deck, both center-bolt and outside valve cover bolt patterns and the Vortec and conventional intake manifold bolt patterns. Have you found any other flow numbers or comparisons from the pro Max heads to the Speedmaster heads? Is there a pro Max thread that have some comparison numbers for. Promaxx 200cc Sbc Chevy Aluminum Heads 64cc Combustion Chambers Bare Set: $625. The Sperlings were so confident their heads would substantially out flow and out perform the competition, that they were jumping at the chance to prove it in an independent article. An As Cast head that is just as efficient as competition's CNC ported pieces. Home » Jeep Engine & Fuel System » Block Internals » Cylinder Heads » ProMaxx Performance Products ProMaxx Performance Cylinder Head with Valvetrain ProMaxx Performance Products CHR640N ProMaxx Performance Cylinder Head with Valvetrain for 91-06 Jeep Wrangler YJ, TJ, TJ Unlimited, Cherokee XJ, Grand Cherokee ZJ & WJ with 4. Locate Chevy Small Block Heads on sale here with the biggest option of Chevy Small Block Heads anywhere online. All flow numbers for Darin Morgan heads come from Darin Morgan Web Site updated Oct. If you want big flow numbers you have come to the wrong place. Buy Air Flow Research 1422 SBF 185cc Alum Heads: Cylinder Heads - Amazon. 400/451 cubic inch: 3. Why buy a set of heads with the wrong parts when we can build you a custom ported set of heads complete, ready to bolt on with the right parts. 60" exhaust valves, choice of 64cc or 70cc combustion chambers and high flow 185cc intake and 65cc exhaust ports. 500-550hp capable on a 383 $1700 assembled for Hydraulic Roller up to. - SBC Cylinder Head Info - I've compiled the following information on SBC Cylinder heads to help compare them. Dyno results show 20 to 35 hp gains over the competition. The professionally designed CNC port flows like the top brands in the industry over 325 cfm. Available for a variety of applications (see chart). Stainless steel valves, Step-Lock guides, Viton® seals and high lift valve springs are installed after the seatwork is finished on our Serdi equipment. 60-inch exhaust valves (five. AFR BBC Race Heads.