keeping the quality high and the price reasonable. Find great deals on eBay for used sbf heads and gt40 heads. Find PROMAXX Performance Vortec 185cc Iron Cylinder Heads 2151 and get Free Shipping on Orders Over $99 at Summit Racing! PROMAXX Performance goes one up with their Vortec iron cylinder heads, 1986 and older. 02-inch intake/1. Shop for discount Chevy Small Block Cylinder Heads here. However, as the data shows, some of the best performing heads in terms of flow, had seemingly poor or inconsistant swirl numbers. com: Cylinder Heads - Quality Performance Aluminum Street Heads. 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. 5 x 3), locations and even (4V( length. Since there are multiple options in heads with different flow rates, then you need a camshaft based on what the heads can supply. Ultimate Chevy Big-Inch Small-Block Cylinder Heads Cheat Sheet Now we get into the heart of small block power. Equals heavy. Available for a variety of applications (see chart). com FREE DELIVERY possible on eligible purchases. So if they flow 250 CFM they're good for about 500HP, max. 120" thick-wall pushrods. Trick Flow GenX® Cylinder Heads, GM LT1, 185cc Intake, Chromoly Retainers, Max Lift 0. They'll make good power and if weight is not a considered factor, you're in like flint. its your call, I would hold out for a good set of heads, I cant bash Promaxx I have no experience with them, but for piece of mind I would get a name brand set that way you don't have to worry especially with spray. Heads are valve jobbed, decked, and bagged for assembly. 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. 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. Even the ''as cast'' heads utilize ultra-smooth new runner and chamber designs that produce ''CNC'd type'' flow numbers. Big Block Chevrolet Compatible Heads. Your CID and desired rpm range sets the demand of the engine. C3 C4 Corvette 1968-1996 Edelbrock Performer Aluminum Cylinder Heads - Individual-C4 Corvette 1986-1991 Edelbrock Small Block Chevy Performer Aluminum Cylinder Heads: These 1986-1991 C4 Corvette Edelbrock Performer Aluminum Cylinder Heads are designe. -3/8" rocker studs. Dyno results show 20 to 35 hp gains over the competition. GREAT Cylinder head that fits any range of engine being built! Available in 180/200/220/235cc. I've never been big on selling heads, outside of engine builds, because no one makes money on cylinder heads. PROMAXX Performance Products specializes in all types of automotive cylinder head for any budget, carrying Performance cylinder heads, diesel cylinder heads and stock replacement cylinder. 500 = 260/161. The all new ProMAXX ultra smooth Grade A 356-T6 aluminum casting is CNC machined to create the perfect platform for newly developed runner and chamber designs. This has allowed us to put a 2. - SBC Cylinder Head Info - I've compiled the following information on SBC Cylinder heads to help compare them. The flow numbers aren't that great when you look at them but they flow well, you have to remember the 10* valve angle is a huge plus. 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?). My question is what cam would be better lunati 60103 or 60104 will be running a stall with a 700r4 and 4:10 gears. At 3,900 rpm these heads produced 491 lb-ft peak torque and. 600î exhaust valves, combustion chamber volumes of 58cc or 61cc, and 69cc exhaust ports, AFRÍs new 185cc Ford head is designed for 302-351 cid engines. Find Heads In Stock Now. 600 lift and 189 at. Buy Air Flow Research 1422 SBF 185cc Alum Heads: Cylinder Heads - Amazon. ProMaxx Automotive offers quality aftermarket accessories at great prices. Big flow numbers and a small runner size produce air speed and power. 64cc COMBUSTION CHAMBERS, 200cc RUNNERS, STRAIGHT PLUG. 60-inch exhaust valves (five. Check pushrod clearance with heads placed on the block before final assembly. If you want big flow numbers you have come to the wrong place. if it were me i'd talk to marsh performance and get some info. Nope, quantity says sold as pair. We have seen these heads add over 75 hp over a set of ported "E7" 5. Taking the affordable performance cylinder head to the next level. 56:1; 51cc 3V: 10. Promaxx Performance 2171k 185cc Aluminum Cylinder Head Kit Small Block Chevy 185 Edelbrock 60119 - $1,077. Teh biggest "problem" with AFR heads is their leadtime, call us for immediate availability for the world's most powerful bolt on cylinder heads. Free Shipping On Orders Over $49. Upgrade your 2003-2005 Ford 6. They not only out flow but also out burn the older heads. The Maxx 200 is the ultimate “as cast” head available that produces CNC type flow number, flowing over 280cfm. The Edelbrock Performer RPM heads had excellent flow numbers, and they provided exceptional power and torque during our dyno testing. CYLINDER HEADS PERfORmER RPm HEADS fOR CHRYSLER 340 Non-emissions 1968-73 340 c. The PowerPort 190 heads are a direct bolt-on for all non-emissions 1967-91 Chrysler 318, 340, and 360 LA-series engines. Dyno results show 20 to 35 hp gains over the competition. The other casting is 10239906 which uses hard seat inserts on the exhaust side otherwise these two castings are the same. As can be seen from the flow numbers in Figure 5. the all-new merlin x aluminum bbc heads from world products combine flow characteristics common to expensive race-only heads with exotic splayed valve setups designed to accept up to 2. We previously ran these ProMaxx heads on a smaller 347 stroker, but with 210cc intake ports (that flowed over 320), the heads were better suited to a larger, more powerful stroker combination. CNC'd type numbers from what head, the OOTB EQ is 172cc and they claim 171cc. Tony Mamo of Air Flow Research said AFR has recently redesigned their entire line of small block Ford cylinder heads. The heads offered in this sale arebareas pictured below. Promaxx Patriot Performance Stage 2 and Stage 3 Windsor or Romeo heads come fully assembled and can handle blown or nitrous applications. The Pro-Filer All American CNC ported SBC cylinder head has the same outstanding features as our "As-Cast" SBC heads. The midrange flow numbers are fairly decent as well, with 194 cfm. The professionally designed CNC port flows like the top brands in the industry over 325 cfm. Independent flow bench testing shows over 385 cfm with 2. Promaxx 320 flow numbers Just thought might be something different than what's been going on lately. 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. It has an open combustion chamber with a volume of between 66 and 72. Upgrade your 2003-2005 Ford 6. I'd love to see the two compared, so as to see at what point in lift, the 2. 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!. Originally I wanted Trick Flows, but I heard the twisted angle of the intake calls for quick valve guide wear. Sporting no less than 572 cubes, this BBC stroker needed plenty of airflow to feed all those extra inches. The most important reason that oil is brought up into the top of the engine is for lubrication and just as importantly, to cool the valve train components. Discover Chevy Small Block Heads on sale here with the largest variety of Chevy Small Block Heads anywhere online. It is easy to claim big flow numbers but I back it up. these heads are actually patriot clyinde heads. I was going to use a. 00" Intake, 1. Find Aluminum In Stock Now. Submissions that will further this project are welcome and encouraaged. They also tested GT 40 X heads and they flowed 217 I at. 4L 2V Trick Flow Twisted Wedge and Track Heat 185 series cylinder heads are the best. PROMAXX 200 BARE HEADS FOR SBC CHEVY ENGINES. Total Manufacturing (1990-Present) Airflow Research advanced to full production of cylinder heads in the early 90’s by incorporating advanced high density Cast Billet technology into their southern California facility. There's videos on youtube where a guy had the alumnun tested, and it was top quality stuff. Welcome to the brotherhood of BBC that make 600HP and 600#/ft on pump gas! This cam will also work with the listed aftermarket aluminum heads. It is recorded for future reference on a computer program. The as-cast head isn't as big of an issue. The other casting is 10239906 which uses hard seat inserts on the exhaust side otherwise these two castings are the same. The Complete Cylinder Head Guide for Chevy Small Block Engines A factor more influential toward successful high-performance engine building than any other is the cylinder heads. 0L Powerstroke cylinder heads with the ProMaxx 9604 Aluminum Cylinder Head with O-Ring. Find The Best Prices On Sbf Heads In Stock Today. Our RENEGADE line of cylinder heads for the small block Ford, feature 100% 5-AXIS CNC ported intake, exhaust and combustion chambers; available in street and competition versions. 600 and 144 at. AFR recommends the use of. PROMAXX Performance Products specializes in all types of automotive cylinder head for any budget, carrying Performance cylinder heads, diesel cylinder heads and stock replacement cylinder heads. 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?). Heads are valve jobbed, decked, and bagged for assembly. We're also dealers for a number of other cylinder heads and can break down the difference between AFR heads and the others to select the right head for you. Keep that in mind when looking at the numbers. We had to extend the pushrod slots by roughly 0. 550-inch valve lift. 'These as cast heads utilize ultra-smooth new runner and chamber designs that produce "CNC'd type" flow numbers. 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. 020 intake valves, 1. Upgrade your 2003-2005 Ford 6. I am using a 270 /278 @50 219/228 519/530 cam from Lunati. Our dyno airflow meter showed almost a 20-cfm gain in airflow usage because these heads. ProMaxx Performance Maxx 317 Chev BB Aluminum Heads Made right here in the USA. 600 exhaust valves, and 69cc exhaust ports, AFR's new 185cc Ford head is designed for 302-351 cid engines operating from 1500 rpm to 6500 rpm. 60/64cc Straigh Plug Assembled by promaxx. Please do not send cores in with temperature sensors and complain when you don’t get them back. The stock heads, as well as the GT40X head, had high swirl numbers. hey hows it going. It features professionally designed runners and chambers that are meticulously CNC ported. 250 single springs. 600 lightweight 8mm bead lock valves, Pacaloy hydraulic roller springs, adjustable guideplates, Manley 7° retainer and locks. Flow numbers on 4. 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. GM Performance's New Vortec Heads Promise Big Flow Numbers For A Modest Investment. We’ll be performing our testing on the Superflow flow bench at Auto Performance Engines, so the numbers you see are real-world flow numbers for popular Mopar big-block cylinder heads. 572 BBC-ProMaxx Heads Big motors make big power, and nothing thumps out power like a big-block Chevy, except an even bigger one. Heads are valve jobbed, decked, and bagged for assembly. Performer & Performer RPM Cylinder Heads For AMC/Jeep These cylinder heads are designed as a bolt-on performance upgrade for any 1967-91 AMX, Javelin or Jeep with a 343, 360, 390 or 401 AMC V8 engine. The S/R Heads and the S/R Torquers are exactly the same casting. All flow numbers for DRD Racing Heads come from their Web Site updated Aug. These heads accept the same CNC program we use on the Edelbrock heads and produce similar flow numbers. thick combustion chamber walls for added strength, and additional support risers in the water jackets. We have seen these heads add over 75 hp over a set of ported "E7" 5. 500 is a winner in my book, port volume dependent of course, 185cc is in the zone. The peak horsepower numbers also screamed performance, boasting another best number of 399 hp at 5,400 rpm. Please Click on the "Read More" link for additional details about this item. 64cc COMBUSTION CHAMBERS, 200cc RUNNERS, STRAIGHT PLUG. 185cc Aluminum SBF Cylinder Heads. Dyno results show 20 to 35 hp gains over the competition. If itsa street car and you only want to turn it 6500rpm, then AFR185's are the go. 56:1; 51cc 3V: 10. Edelbrock Performance Cylinder heads are manufactured of A356 aluminum and made in the USA for AMC, Buick, Chevy, Chrysler, Ford, Oldsmobile, & Pontiac engines. The most important concern is the. Twisted Wedge ® 185 and Twisted Wedge ® Track Heat ® 185 Cylinder Heads for Ford 4. While the intake ports are unique to the 3V, the CHI heads do share a number of components with the production Cleveland heads, such as valve angles (9. Stock EQ-350I heads flow 215 cfm intake and 154 cfm exhaust. PRICE IS FOR A PAIR OF ASSEMBLED HEADS. The new Mexican castings are good, thick heads and can be flat cut to the low 50’s without any issues. 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. ProMAXX took their 100% CNC ported intake and exhaust runners and made them into an "As-Cast" version. Find The Best Prices On Sbf Heads In Stock Today. It is recorded for future reference on a computer program. Ultimate Chevy Big-Inch Small-Block Cylinder Heads Cheat Sheet Now we get into the heart of small block power. 25” stroke with OEM 188 or 990’s ProMaxx or RHS 320s. They're not as bad as early Ford small-block heads, but close. The ProMaxx Performance heads promised two things we love: plenty of flow and affordable pricing. New Scat cast steel crankshaft part # 9-350-3480-5700 and new Scat forged 5. Our dyno airflow meter showed almost a 20-cfm gain in airflow usage because these heads. Our RENEGADE line of cylinder heads for the small block Ford, feature 100% 5-AXIS CNC ported intake, exhaust and combustion chambers; available in street and competition versions. They're a good set of iron vortec heads, you probably know but you'll need a vortec type intake. the guy had done saw cuts showing the ports and had tested the materail. Small Block Ford Heads Ranking of small block Ford cylinder heads flowed at 28" water column differential pressure. They also feature hardened seats, bronze valve guides, and fully machined valve cover rails for a more consistent gasket seal. PROMAXX Performance Products specializes in all types of automotive cylinder head for any budget, carrying Performance cylinder heads, diesel cylinder heads and stock replacement cylinder. 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 intake air flow can improved to 275 – 290 cfm with our “Undercover Porting” or CNC Sportsman Porting. also how much power diffrence would the heads to compared to trick flow twisted wedge heads for a 5. 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. These heads give great torque and horsepower up to 6500 rpm. d'oh! cstraub. Without adequate airflow, the engine will never make power. also how much power diffrence would the heads to compared to trick flow twisted wedge heads for a 5. Quantity: Sold as a pair. The small block Chevy 180cc cylinder head was the foundation in 2007 for FLOTEK Performance Heads. ProMaxx Performance 185cc Aluminum Cylinder Heads Small Block Chevy 185cc Aluminum Cylinder Heads; Your phone number appears to be invalid. The 165cc and 185cc models are CARB Certified EO #D-250-3 for vehicles model year 1995 and older. By the way my first time porting the 906 head and keeping the stock GM 1. Maybe they can save even more money by having the Chinese Navy drop off their heads the next time they are in US/Alaskan waters?. 550-inch valve lift. Cylinder Head Flow Data @ 28 Inches of Water. Performer RPM heads are perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. Performer & Performer RPM Cylinder Heads For AMC/Jeep These cylinder heads are designed as a bolt-on performance upgrade for any 1967-91 AMX, Javelin or Jeep with a 343, 360, 390 or 401 AMC V8 engine. The Pro Filer moves a lot more air than the other heads and I would not even change heads unless I could make a big jump in performance. Performer RPM Cylinder Heads - Single - Complete SB Chevy, 64cc combustion chambers with straight plugs, 185cc Intake port. ProMaxx Performance Maxx 175 Ford SB (289-351W) Aluminum Heads Made right here in the U. 660, FT or HYD Erson springs. Heads are "econo" ported by Speier Racing Heads. d'oh! cstraub. This is a discussion on Trickflow heads on an LT1 within the LT1 forums, part of the Vehicle Specific category; Ok so I have looked at some peoples claim of HP and tQ numbers on LT1's that are stock stroke. I started seeing some weird things when doing a "test fit" of my intake manifold. or INDY {just buy them from someone else ,other than Indy Cylinder Heads, IMO poor customer service} or AFR have had some great write ups too, {depends on what head, but latter 2, INDY & AFR can be a bit pricey & need special parts, but are good} If your serious, want to know, just compare Promaxx int/exh cfm flow's. While our 195cc, 205cc and 220cc heads are designed for aggressive. ProMAXX Shocker CNC Series is the top of the line performance cylinder head. 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. 020 intake valves, 1. 4L 2V - TREperformance. intake - 185cc runner, 2. Trick Flow Super 23 175cc Cylinder Heads Trick Flow cylinder head specification/ data sheet. Couldnt agree anymore. AFR's 185 "Renegade" heads are a perfect fit for 302-355 cubic inch engines operating from 1600 to 6400 RPM depending on peripherals. 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. When we decided to sell Aftermarket Performance cylinder heads the decision was easy! When performance counts, the Promaxx Patriot Performance CNC-ported Cylinder Heads for the 1996-2004 Mustang GT delivers. AFR heads are available bare (without parts), call our tech line for details. Cylinder heads involve a lot more than just rocker arm ratios and valve spring installed heights. GM Performance's New Vortec Heads Promise Big Flow Numbers For A Modest Investment. - SBC Cylinder Head Info - I've compiled the following information on SBC Cylinder heads to help compare them. The power comes from the patented Twisted Wedge combustion chamber design with the intake valve moved to the opposite side of the camshaft. The small-port head has 185cc intake runners, while the large-port version boasts a tunnel-like 215cc runners. intake - 185cc runner, 2. Edelbrock doesn't show flow numbers for their heads. these heads are actually patriot clyinde heads. Performer RPM heads are perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. AFR recommends the use of. 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. The Trick Flow heads move the rocker shaft up a bit which changes the valve train geometry. 039 head gasket as my block is decked to. ): Intake Valve - 2. The pushrod guide plates wearing could the guide plate manufacturer's faulty materials or process but it also could be because of the bent pushrods. Even the ''as cast'' heads utilize ultra-smooth new runner and chamber designs that produce ''CNC'd type'' flow numbers. 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. Promaxx Performance 2171k 185cc Aluminum Cylinder Head Kit Small Block Chevy 185 Edelbrock 60119 - $1,077. AFR recommends the use of. All heads RHS Pro Action Small Block Chevy Cast Iron Heads, 200CC / 64CC made by Speedway Motors. The overall average flow numbers on the NKB-200 heads are higher than most any brand of non cnc'd cast aluminum heads on the market. ProMaxx Automotive Accessories are available exclusively through Meyer Distributing Authorized ProMaxx Retailers. 572 BBC-ProMaxx Heads Big motors make big power, and nothing thumps out power like a big-block Chevy, except an even bigger one. Upgrade your 2003-2005 Ford 6. This head has produced over 550 hp on pump gas and mild cam. Dyno results show 20 to 35 hp gains over the competition. AFR 185 SB Ford Renegade Cylinder Heads - (58cc) No heat riser or air pump holes for maximum track performance. The truth is that intake manifold pressures are much greater than the industry standard 28 inches of water test depression used in flow benches. With our “Undercover Porting” the flow numbers increase to 237 intake and 175 exhaust. The second problem is the material there made of. Here are the compression ratios using factory heads: 44cc 2V: 11. Mills - Flat or angle mills could affect flow numbers and might require a thicker intake gasket. It puts out up to 20 hp over the competition. Shop D&J Precision Machine Ported Cummins Heads. 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. Unjustified IMO unless your drag racing for money. Features include high-quality stainless steel 2. that's just my. Improve flow and performance in your 1993-95 F-150 Lightning with a set of AFR aluminum cylinder heads! This set features a 185cc design that flows drastically more air compared to stock. The GTA series of street performance hydraulic rollers makes this easy. My question is what cam would be better lunati 60103 or 60104 will be running a stall with a 700r4 and 4:10 gears. Upgrade your 2003-2005 Ford 6. Mills - Flat or angle mills could affect flow numbers and might require a thicker intake gasket. Every head is ported to the customers needs which doesn't neccessarily give you the most flow out of the heads. Unjustified IMO unless your drag racing for money. The heads have patented 61cc combustion chambers with rotated intake and exhaust valves, 2. By the way my first time porting the 906 head and keeping the stock GM 1. 500 = 260/161. Cast aluminum fully assembled with: -185cc intake port -60 cc chambers -2. These 38cc Trick Flow Twisted Wedge Cylinder Heads are designed to be a direct bolt-on performance upgrade for the 1996 to 2004 GT Mustangs with the 4. 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. Keep that in mind when looking at the numbers. The Edelbrock 2101 has a block off plate for the EGR, and you can get a new zz4 chip burned from one of the guys on the forum for about $25. Since there are multiple options in heads with different flow rates, then you need a camshaft based on what the heads can supply. ProMAXX Performance has designed a complete new line of performance heads that meet or exceed the big names in the industry. Flow numbers now listed! As promised, we are releasing photos, tech, and life giving flow numbers from our test on these heads the minute they arrived and The test head is here!!! Before you (or the chatters) get all wound up about the flow numbers (and they are goooood!) maybe these heads are not for you. 02" intake/1. AFR recommends the use of. The Blue Thunder 460 cylinder head is available in six configurations. I suppose the first thing i should mention here is that even though the intake runners are 185cc's, the heads actually call for a 1206 Fel-pro gasket or equivalent, which at first seems a bit strange to have a gasket with ports that big for 185cc runners. 55" Exhaust This product may require vehicle validation(s) for proper fitment. 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. Quantity: Sold as a pair. 600 inch lift while utilizing a 4. 005 I think that will be ok for the street. 100 in the tunnel wedge intake. Re: Anyone got any experiance with Promaxx SBF heads? I got them to flow in the 280 CFM range with a 2. Edelbrock Performer RPM 185cc Small Block Chev Cylinder Head (64cc) - ED60999 85347609994 | eBay. 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. i saw a vidoe on youtube of the promaxx heads. That the rocker arms' pushrod ends interfered with your valve covers is more likely a problem with either the rocker arms, valve lift or the valve covers than it is a problem with the heads. I have seen old posts "over a year ago" complaining about these heads "flash from casting not cleaned out, guide problems, heads not square, bad valve jobs, etc. The small block Chevy 180cc cylinder head was the foundation in 2007 for FLOTEK Performance Heads. No matter what you're driving, we have the right Small Block Heads for your automobile Quality Auto Parts, New, Used and Recycled Auto Parts For Sale. ): Intake Valve - 2. AFR's 185 "Renegade" heads are a perfect fit for 302-355 cubic inch engines operating from 1600 to 6400 RPM depending on peripherals. Upgrade your 2003-2005 Ford 6. Thank you, Summit Racing Equipment. Suit Small Block Ford AFR1388These AFR SBF Street/Strip Renegade 20 Degree aluminum cylinder heads come ready for maximum small block Ford performance. 60 stainless-steel valve package. I started seeing some weird things when doing a "test fit" of my intake manifold. Edelbrock's all new line of heads are designed for entry-level street performance engines and ideal for operating in the idle to 5500 rpm range. When performance counts, the Promaxx Patriot Performance CNC-ported Cylinder Heads for the 1999-2004 Lightning / Harley Davidson delivers. 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. 185cc Heads Pair. com THANXX guys !!. 176-18P-03 - PBM Performance - SBC 185cc - 2. The SBF heads come as cast with a 185cc intake runner, US made bronze guides, and our 5 angle valve job. 600î exhaust valves, combustion chamber volumes of 58cc or 61cc, and 69cc exhaust ports, AFRÍs new 185cc Ford head is designed for 302-351 cid engines. 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. The flow for the new Edelbrock 351C Aluminum Heads ($909. Promaxx Performance 2171k 185cc Aluminum Cylinder Head Kit Small Block Chevy 185 Edelbrock 60119 - $1,077. Cylinder Heads, Cast Iron, Bare, 64cc Chamber, 185cc Intake Runner, Straight Plug, Chevy, Small Block, Pair ( 1 ) Part Number: PMX-2150 More Detail. We offer a plethora of Small Block Heads for your vehicle needs. 4L 2V engines in action, you'll agree they are the only aftermarket 2V heads worth bolting on to your modular-powered Ford. AFR's 185 "Renegade" heads are a perfect fit for 302-355 cubic inch engines operating from 1600 to 6400 RPM depending on peripherals. ProMaxx has taken over Patriot Performance Products and they now sell the original Patriot Performance Cylinder Heads as their own product, conveniently using the same part numbers. GM's LS engines are the hottest thing to hit the scene since Chevy debuted the first smallblock back in 1955. EQ cylinder heads have grown both in acceptance and usage with over 400 racers using EQ heads in multiple IMCA divisions. Flow measured at 28" of depression. Upgrade your 2003-2005 Ford 6. 00 ProMaxx BBC 340cc CNC Ported Big Block Chevy Cylinder Heads $ 1,730. BES Racing Engines now offers complete cylinder head packages. 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 @. ProMaxx Performance 185cc Aluminum Cylinder Heads Small Block Chevy 185cc Aluminum Cylinder Heads; Your phone number appears to be invalid. As we would find out, the promised flow was nowhere near the actual. As expected, peak flow numbers for the 210s were down slightly compared to the 225 heads, checking in at 305 cfm for intake and 208 for exhaust (both measured at 0. The SBF Maxx 180 is an as cast head that beats the competition. 600 lift and 189 at. 05/Exhaust Valve - 1. 185cc Heads Pair. So did we get some flow numbers for the final porting? I was wondering how they compared to the CNC version that Promaxx offers. We had to extend the pushrod slots by roughly 0. If everything goes to plan this is going to be one killer 23° head. 125" OD intake valve and over 335cfm of flow. The results might surprise you so see it for yourself in. Heads For Sale. Here is the specs from Summit's site. The midrange flow numbers are fairly decent as well, with 194 cfm. These heads accept the same CNC program we use on the Edelbrock heads and produce similar flow numbers. ProMaxx Performance 1102 Details 175cc Aluminum Small Block Ford Cylinder Heads. AFR recommends the use of. 60-inch exhaust valves (five. Dart Machinery, LTD. Please do not send cores in with temperature sensors and complain when you don’t get them back. Trick Flow cylinder head specification/ data sheet. Manufacturer of high performance cylinder heads and manifolds for ford and chevy. Get big power on a small budget with BluePrint Muscle Series cylinder heads! These lightweight aluminum heads bolt up to your small block Chevy and feature 195cc intake/75cc exhaust runners, 64cc combustion chambers, and 2. one the block, i. " but none till this one recently. Are you looking to purchase Sbf Heads today? Need more information about Sbf Heads? Save money everyday by purchasing your automotive needs on Ebay. Small Block Ford Heads Ranking of small block Ford cylinder heads flowed at 28" water column differential pressure. exhaust stainless steel valves,. Any opinions. 317cc intake runners great for street, street/strip, power tour, or smaller cubic inch competition (427-525ci). For the 205cc and 225cc use Fel-Pro #1487 exhaust gasket. 60 stainless-steel valve package. GREAT Cylinder head that fits any range of engine being built! Available in 180/200/220/235cc.