Fully ported, the Super Cobra Jet head was capable of high 300s on the intake flow scale. These desirable heads have larger ports, valves, and chambers. 351W 2v with 3 hoses on the DVCV and transmission regulated spark 351W 2v with DVCV, spark delay valve and transmission regulated spark 1972 Mustang (And Ford) Engine Vacuum Diagrams. What are they off of and do I have the correct numbers? If not where do I find the casting numbers on the heads? I want to use them on a 68 Mustang 302 engine. 4 barrel carburetor) cylinder head were both cast by Ford with both types of combustion chamber. Snyder/VED Hemi Alcohol Heads Complete for sale in Cresson, TX, Price: $7,500 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?. Terry & Gayle Parker P. Most info I've read on porting says a home job does about 60-80% gain of what a pro job would produce. ported stock heads can possibly out flow out of the box aftermarket heads, but not by much. Fox Lake Stage 2 CNC chamber. Founded in 2007, we offer an extensive selection of cylinder heads for Ford, Chevrolet, and GMC performance engines. " It is no secret that a good set of headers is one of the best performance investments. This auction is for a BRAND NEW PAIR of AFR Competition Renegade Ford 195cc Fully CNC-ported cylinder heads with 72cc combustion chambers, IN STOCK, on OUR SHELVES! AFR`s 195cc "Competition" heads feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings and high quality components throughout. The MAC TF5350 Long Tube Headers for the 1979-1993 are designed for the 351W Swap with TFS High Port Heads. 85 C-400 has a 2. They include screen captures of posts on forums and emails that have been sent to me over the years. 351W heads have larger valves and a larger intake port, as well as ~61cc chambers in the earlier heads. 351 N HEAD GAS PORTED FLAT TOP The lightest piston on the market for this application. FREE Shipping by Amazon. 85 C-400 has a 2. What are they off of and do I have the correct numbers? If not where do I find the casting numbers on the heads? I want to use them on a 68 Mustang 302 engine. Just want to be sure. 8L 68-93, 302HO 82-84. I gasket matched the intake to the head using a ported version gasket. Though the 351 Cleveland could be coerced, its coolant flows through the front of the block and into the cylinder heads. Find great deals on eBay for ford 351w heads and ford 351w headers. The world's absolute lowest prices since 1985. The most desirable Clevelands is of course the Boss 351 1971 with the adjustable valve train and also the standard closed chamber heads 1969 to 1971. 2 barrel carburetor) cylinder head and the large port 4V (i. Hi-Ram Sheet Metal Fabricated Intake Manifold 2005-10 Ford 4. 60 exhaust valve in stainless. 94 intake and 1. Performance & General Engine Building - the best 351w performance heads for the money - i have a pretty good shortblock with the usual stuff like 480 lift cam. These port designs are designed for anything from NA to twin turbo and our knowledgeable staff can help you choose correctly. The 351 block is very similar to the 302. The 165cc and 185cc models are CARB Certified EO #D-250-3 for vehicles model year 1995 and older. Professional Products was founded in the late 1990s with a primary objective to provide quality high performance parts at better values than what originally existed in the marketplace. The professionally designed CNC port flows like the top brands in the industry over 325 cfm. 351W heads have larger valves and a larger intake port, as well as ~61cc chambers in the earlier heads. Now looking at that, the most restrictive spot is right there between the lower radius and the valve guide. What is the max hp potential of 351W heads (74 heads with 60. ported stock heads can possibly out flow out of the box aftermarket heads, but not by much. 8L 1979-1993, 1¾" Chrome Long Tube Swap Headers for 5 Speed Transmissions Only MAC Long Tube Headers for the 79-93 351W Swap have 1¾" Primarys with 3" Collectos. The purpose of this is to decrease the time it takes and to increase the accuracy in machining from port to port and cylinder to cylinder. The US made 2v heads were all open chamber, the US made 4v heads were all closed chamber except for the 351 Cobra jet which had modified porting and open chambers. i heard dart. 0l kit steel block block 5. Complete Racing Engines, Custom engine blocks, cylinder heads, and intake manifolds for racing, street, truck pulling and more. 88 int valve j head flows 215cfm. The port and polish basically makes it easier for air/fuel to flow into the combustion chamber and gasket matching permits a greater volume. The Street Heat Aluminum Small Block Cylinder Head is the most well known High Performance head because of its strength and versatility. The Real Street Ram produced >20lb-ft more torque than the RPM from 2000 to 3200RPM!. 141 Advantage Place. A charge of $25 per night plus tax applies for each additional adult (age 18+) in the room after the first two. 700 too)-----'68 mustang 351 clevor- 10. Thanks, Bill. This has been a needed part for quite some time. 140(T) with the floor of the port 1. No matter what you're driving, we have the right 351 Ford Heads for your automobile Quality Auto Parts, New, Used and Recycled Auto Parts For Sale. Port your own cylinder heads and intake. But, the Dart Ford 200 cc runner heads is a better choice. pair of new cnc ported 351c ford aluminum procomp cyinder heads pc3062c fits 351c, 351w, and 302 71cc combustion chambers 235cc intake port 2. go with a good set of aftermarket heads. If you have any SBF flow data please send a copy to Tom Rauch 371 Dean Rd. The Australian Cleveland head offers the best of both worlds--smaller ports (like the 351C-2V head) for low-end torque and closed wedge chambers (like the 351C-4V head) for power increases. Certainly, the Cleveland’s redundant passages could be blocked off, but Kaase’s wisdom is to use the Windsor block that is stronger,. #ad The little red line shows the approximate shape of the old port. 302/351W "Z-HEAD" ALUMINUM CNC PORTED - BARE 59CC M-6049-Z304P Retail $950. The FC4 header features flanges for four barrel (4V) cylinder heads. Kooks Headers 10262610 - Kooks Headers Mustang 3519. Ported Head Features Fits 302/351 Windsor engines; Intake and Exhaust airflow increased approximately. The US made 2v heads were all open chamber, the US made 4v heads were all closed chamber except for the 351 Cobra jet which had modified porting and open chambers. 8L 351 cid V8 (235 & 250 HP) 14mm spark plugs, 5/16 inch. the pistons are dish style. 5 Deck SBF various Cylinder Heads, 3 Inline Bolt Pattern, Raised Port Height 2 x 3-1/2in Long Tube Headers; 1979-1993. 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. and yes you can get around 400 if it has the bigger valves, its its a small valved head that has the 1. Unless the heads on your motor have been swapped, they will be the open chamber variety. I've been porting out the exhaust side on the 351w heads and frankly I'm a little worried I'm going to screw them up if I haven't already. RCS/CHI CYLINDER HEADS CYLINDER HEADS - INTAKE MANIFOLDS - INDUCTION PACKAGES. The 351W, with smaller heads than the later Cleveland, would still fit in smaller engine bays. view details. Prefer a shorty or mid-length header and not break the bank on a set. ) Porting Flow testing Parts for stock & Hi Perf. Looking at the E7's I can see the exhaust ports look pretty small. These Performer Aluminum Heads are made in the USA and feature threaded inserts in rocker studs and exhaust bolt holes for superior strength and durability, and manganese-bronze valve guides. All the Aussie heads (both 2v and 4v) were closed chambers. The 351C, 351M, 351W, and all other small blocks share the same bore spacing and cylinder head bolt pattern. They have an E7 351 head. 351 Cleveland Cylinder Heads Guide: Factory Iron Heads Although there's some confusion over Cleveland cylinder heads, the 335-series engine family has the easiest line-up of Ford cylinder heads to understand. I assume, but am not certain, they are all like that. V8 SBC SBF and BBC cylinder heads are under warranty for 6 months from the date of purchase. The 351 had 16 bolt holes versus 12 in the 302. Since 1999, replacing and upgrading stock Eaton 1. After the less than spectacular performance of the '86 Mustangs E6 head was being realized, the Ford engineers looked to the truck department for a suitable head for their '87 Mustangs. 351 Cleveland engine - around 350 horses 2v heads with Yarra terra roller gear Edelbrock manifold 725 holly Carby Extractors High performance sump Electric ignition - Gilmore drive Radiator Just been tuned Currently in an XC can hear running - good engine Heads alone 3k Only selling due to installing original engine. It was a low-performance head designed to increase economy, due to the gas crunch. Read the tech article on Do-It-Yourself Small-Block Cylinder Head Porting, brought to you by the experts at Chevy High Performance Magazine. Ready for you to fit!. 60 exhaust valve in stainless. 60" exhaust valve. Without cylinders, the car won't run, and all the cylinders need to be working for the vehicle to perform efficiently. Stock Heads If this is your first visit, be sure to check out the FAQ by clicking the link above. ), use the find feature in your browser, just press the “Control” + “F” keys simultaneously, or click on the toolbar (upper left) “Edit”, then “Find”, then type in the name. for the pair. How to Port and Polish Cylinder Heads. The Australian Cleveland head offers the best of both worlds--smaller ports (like the 351C-2V head) for low-end torque and closed wedge chambers (like the 351C-4V head) for power increases. Anything bigger won't increase flow because of the small ports. Utilizing innovative design features, modern engineering methods and precision CNC-machining, Pro Elite™ Cylinder Heads are second-to-none. They are available for popular V8 engines. Our cylinder heads are cast according to FLOTEK design parameters and assembled and inspected at our facility in Evansville, Indiana. 46 its basically the same as the 302 head with the larger bolt holes. CFE ProKing Inline Valve SBF. Bush Performance modifies 351C heads for installation on the 289/302/351W block, eliminating one. For 351Ws the heads are drilled for half-inch head bolts where as the 302 heads are drilled for 7/16 bolts. " I found this cut-away, which has me confused. Edelbrock E-CNC Cylinder Head for all 289, 302 and 351W Engines. 75” Square. 02 intake and 1. Written by on February 1, 2013. 54 exhaust was simply a "slow" port. When we port a set of heads, we gauge each runner in certain KEY Locations for MAX FLOW. Flow data listed on the www. 100 long machined for 1/2 " head bolts spacers available for 7/16 head bolts. But, the Dart Ford 200 cc runner heads is a better choice. Our cylinder heads are cast according to FLOTEK design parameters and assembled and inspected at our facility in Evansville, Indiana. When it comes to high performance replacements for factory cast iron heads, World's WINDSOR JR. Get Yours Today! We know our parts and products. Fully ported, the Super Cobra Jet head was capable of high 300s on the intake flow scale. 351W 2v with 3 hoses on the DVCV and transmission regulated spark 351W 2v with DVCV, spark delay valve and transmission regulated spark 1972 Mustang (And Ford) Engine Vacuum Diagrams. Due to the unique raised port of these Cleveland 3v heads, the only intake gaskets readily available are Speedmaster SM3282 which measure 1. My ported heads (which I recently sold ) flow-benched at 320 @. Statesville, NC 28677. Brodix 351/365 Oval Port Big Block Chevy Cylinder Heads. Roller cam same as 1985 First year for multi-port speed density fuel injection, 58 mm throttle body, 19 lbs/hr. Thanks to Trick Flow and its Power Port Cleveland heads, you can now build a 351 Cleveland (or a 351M, 400, or 351W) that is a true all-around performance engine that's at home on the street or at. a set of Ford V8 351 Cleveland 2v open chamber ported heads for sale, heads have been ported properly , and over hauled, perfect for race purposes, contact amod at back yard customs or whatsapp me R5500 for the pair, porting these heads alone would cost more than the asking price so price is not negotiable - Car Parts & Accessories. Even if you port until you hit air, any bigger valves won't help. Before the aftermarket really took off, small-block Ford buffs looked to the 351W cylinder head for power improvements. The small port 2V (i. 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. American Cylinder Head specializes in gas and diesel cylinder head remanufacturing and repair for all makes and models. 54 exhaust was simply a "slow" port. Shop with confidence. These were also the early model quench heads, not the later big chamber beasts. Also, I've been wondering which one would be better, ported heads or GT-40P?. The Ford head casting, E7TE, is quite popular with DIY home porters because it is cheap, easy to find, and not too bad of a performer as is. That is a GREAT job porting those heads. 60-inch exhaust valves, dual springs that accommodate a roller cam with max lift of. Aussie heads are also available from Bush Performance. Blue Thunder Auto. aluminum cylinder heads for y-block ford. stands behind each product we manufacture 100%. The most desirable Clevelands is of course the Boss 351 1971 with the adjustable valve train and also the standard closed chamber heads 1969 to 1971. This 100% CNC ported head offers an all new, shallow 15% valve angle. " I found this cut-away, which has me confused. com: 351w heads. 8L 1979-1993, 1¾" Chrome Long Tube Swap Headers for 5 Speed Transmissions Only MAC Long Tube Headers for the 79-93 351W Swap have 1¾" Primarys with 3" Collectos. It really helps compression. 135" for improved flow. News, email and search are just the beginning. This model includes one-piece intake and exhaust valves made of stainless steel, 2-ring positive oil controls seals; 3/8" rocker studs and 5/16" guide plates. The C-400 comes in 2 fully CNC ported versions. 351W 2v with 3 hoses on the DVCV and transmission regulated spark 351W 2v with DVCV, spark delay valve and transmission regulated spark 1972 Mustang (And Ford) Engine Vacuum Diagrams. American Cylinder Head - Worldwide supplier of new and remanufactured cylinder heads for all makes and models. I've been using early 351w valves in these heads, 1. 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. 02 intake and 1. Buy online, pick up in-store in 30 minutes. POWERHOUSE has thousands of stock and high performance parts for cars and trucks. You may have to register before you can post: click the register link above to proceed. The PowerPort® Cleveland heads fit 351C, 351M, and 400 engines out of the box. Ported Ford SVO V6 E9ZM-6049-J380 heads. , Ford, 260-302/351W. Brodix 23° Ported Spec. I assume, but am not certain, they are all like that. 600lift (figures taken from as cast head with a 2. Add a bit of home chamber polishing and a 3 angle valve job and you have a decent set of heads relatively cheap. Strange as it may seem, just making the intake and exhaust passages bigger will not always improve performance, and may actually hurt it. Not all that long ago, the small block fan's only choice for Ford cylinder heads was the classic 351W Ford heads swap on a 302. Written by on February 1, 2013. com site are generated at 25" H20, which is not a standard test pressure. ford 289 & 302 windsor v8 157 teeth tilton 7 1/4" clutch 7 1/4" neutral balance steel flywheel (yt9909nt). 02 intake and 1. Most of the manifolds we tested did not equal, let alone exceed, most well-ported iron heads, to say nothing of the Edelbrock, Indy or other aftermarket aluminum heads. And bigger valves installed, 2. For those searching power but still wanting to keep the stock hood and an air cleaner. These CNC ported Ford 2V Cast Iron Cleveland cylinder heads produce 505HP normally aspirated at 7000 Rpm with our custom Pavtek solid camshaft and a TFC single plane intake manifold. How to get a few extra horsepower for free when rebuilding and engine. Doing only this marginally reduces flow but it does considerably aid what seems to be a vital Chevy big-block power production requirement, namely, port velocity. If you port the 351W head, it only gets better. Introduced in 1969, the 351 Windsor shared the same stock cylinder head casting as the 302 and differed only in the bolt hole diameter, which was 1/2 inch in the 351 versus 7/16 inch for the 302. M&M Competition Engines | Racing Engines, Cylinder Heads, CNC Machine Services produces the finest in high performance racing engines and machine services. 351-C Heads The table below should give you an idea of the similarities and differences in chamber volume and valve diameters. The cylinder is a fundamental part of an automotive engine. Blue Thunder has long been known as a leading manufacturer of high performance cylinder heads for 460 Ford high performance and racing engines. 550 hydraulic lift 7/16 19000 screw in studs and guide plates. the potential of even the smallest of the aftermarket heads can out flow anything the factory put out even in modified form. So early heads and late block is the way. Shipping & Returns. 140(T) with the floor of the port 1. You already have 60 cc chambers so be careful not to remove to much material but do unshroud the exhaust valve area next to the chamber. The casting number, C8OE-6090-N, can be found in the recessed area between the middle two spark plugs as shown in the picture below. Blue Thunder Auto. Get it as soon as Thu, Oct 17. Recommended for race applications and very agressive street/strip builds operating up to 7400 RPM. Porting these E7 heads, even an A job, may yield a 30HP gain. valve springs. 2 on the 1/8mile. With the success of our first polished small block Chevy intake manifolds, we began expanding the range of products, always keeping in mind the end consumer's. They're pretty much dead below that, except in engines over 500 CID. The VG2 is an in line 11 degree valve angle cylinder. These emissions legal heads have fully CNC ported intake runners, exhaust and combustion chambers. Get it as soon as Thu, Oct 17. After the less than spectacular performance of the '86 Mustangs E6 head was being realized, the Ford engineers looked to the truck department for a suitable head for their '87 Mustangs. How to get a few extra horsepower for free when rebuilding and engine. Developed with the aid of advanced computer aided Engineering simulation tools, the unique "Velocity Vane" intake port design improves power throughout the RPM range. The BOSS 302 heads are known as "Cleveland style" heads as they are based on the head designed for the 351 Cleveland engine. 000" mains, and 5. Comes with all hardware necessary for installation. This has been a needed part for quite some time. The Edelbrock Performer Aluminum Heads are designed to be used with Ford's 289, 302, or 351 Windsor V8 engines. They also produce an impressive 481 HP @ 6800 Rpm with an Edelbrock Rpm Airgap dual plane intake. Oh you'll have to have the mounting holes drilled out to use on a 351, GT40P heads ar for a 302 or 5. decking, seat cutting, guides, cc'ing, etc. I don't see any reason to when GT40P heads flow almost as well and the porting required to get them to the same flow numbers is less than that to deal with the Clevelands. pair of new cnc ported 351c ford aluminum procomp cyinder heads pc3062c fits 351c, 351w, and 302 71cc combustion chambers 235cc intake port 2. Ported Head Features Fits 302/351 Windsor engines; Intake and Exhaust airflow increased approximately. Blue Thunder Menu. 00-inch valves accommodate the smaller bores; however, the rest of the head is CNC-ported to facilitate great flow. The C9s ONLY difference is a 2cc smaller chamber. Using the heads because I got a heck of a deal on them from a Buddy. Thanks to Trick Flow and its Power Port Cleveland heads, you can now build a 351 Cleveland (or a 351M, 400, or 351W) that is a true all-around performance engine that's at home on the street or at. At some point in the 70s Ford combined the 302 and 351W head into one. CFE ProKing Inline Valve SBF. Really hard to find 1969 blocks and was removed from T code ZC Fairlane, what is in the photos is all I have. Doing only this marginally reduces flow but it does considerably aid what seems to be a vital Chevy big-block power production requirement, namely, port velocity. I was looking at open chamber 2V Cleveland heads, as going 70cc+ makes it pretty simple to put together a big motor with low compression. The 351M/400 heads are plentiful, but are written off due to a "super restrictive exhaust port. Mike, I've ported a few 351W heads. Open the bowls under the valve heads. Ford and Mustang C9OE-D 69+ 351W ,Valves 1. All cast iron 4V cylinder heads are externally identical. ) Porting Flow testing Parts for stock & Hi Perf. Kubota cylinder heads are under warranty for 2 years from the date of purchase. RFD SC-1 (for Small Block Ford) is the choice of pros for high-power small block Fords. Better off with some AFR 185's. Hi-Ram Sheet Metal Fabricated Intake Manifold 2005-10 Ford 4. Being a die hard I decided that I was going to do my own High port plates. 351 Cleveland Cylinder Heads Guide: Factory Iron Heads. These should get you 25 to 35 hp. Find your yodel. The bellhousing bolt pattern is the same as a 302,. At some point in the 70s Ford combined the 302 and 351W head into one. Finally! An exhaust gasket that really works! 100% graphite construction means Remflex gaskets can take the heat-up to 3,000º F! A built-in 50% crush allows Remflex gaskets to fill gaps in headers or exhaust manifolds up to 1/16-inch inch. We ran a 355 cubic-inch SBC, 9. 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. 850" minimum cross sectional area on the intake port and the Kaase 3. In stock form, the intake ports of the 351N head flows 245 cfm; the exhaust flows 163 cfm. 427 Ford Tunnel Port Die Formed Sheet Metal Intake Manifold. Trick Flow's CNC-ported 225 heads for 351 C engines come with 60cc combustion chambers, 2. Fitting all 289/302/351W applications, the second generation "Z" cylinder head package (PN M-6049-Z2) is the solution for those who are in search of a high performance, street capable cylinder head package which is capable of supporting more than 500 horsepower - all while comfortably fitting in stock small-block engine bays. I had kicked around the idea of a 393 stroker as well as a 408 but finally decided that the way I would be using the car a good choice for me would be to keep it closer to stock with minor upgrades t. All have an improved "Cobra Jet" intake port which is capable of peak flow in the 410 cfm range. Find out our 350 mm diameter 3 mm thick 316L flat tank head ! Perfect for making full tank. A recent test of a prototype set of Hammerhead's castings bolted on a 427ci small-block stroker produced over 600 hp with a streetable hydraulic roller camshaft and 600 lb-ft of torque. 60" valve install) * The final porting of the GT40 iron head in which 1. The intake ports flow 445-470 cfm depending on engine combination and the exhaust port flows 300 cfm. Pressur checked ready to bolt on your 302 or 351. Most of the manifolds we tested did not equal, let alone exceed, most well-ported iron heads, to say nothing of the Edelbrock, Indy or other aftermarket aluminum heads. bbc 370 'cnc ported' heads--manley valves--shaft rockers-new SAVE $1000. Also note the difference in sheen. The US made 2v heads were all open chamber, the US made 4v heads were all closed chamber except for the 351 Cobra jet which had modified porting and open chambers. 0l kit steel block block 5. These should get you 25 to 35 hp. Last month, we discussed some aftermarket replacement cylinder heads available for Ford's small-block V-8 engine family, which includes the 221, 260, 289, 302 and the tall-deck 351 Windsor. 50" (also shared by the 351W and the 352). You Are Here: Engine Products: 351-302 Port Plates. It doesn't indicate what the combustion chamber design is. Recommended for race applications and very agressive street/strip builds operating up to 7400 RPM. From 1970 to '71 the 351 had between 250 (2V) to 330 horsepower (1971 BOSS). Flow data listed on the www. 2 barrel carburetor) cylinder head and the large port 4V (i. At Abbotts SuperFlow Port & Polish we take a lot of pride in porting and polishing intakes and cylinder heads. These Performer Aluminum Heads are made in the USA and feature threaded inserts in rocker studs and exhaust bolt holes for superior strength and durability, and manganese-bronze valve guides. Ported Ford SVO V6 E9ZM-6049-J380 heads. Brodix 351/365 Oval Port Big Block Chevy Cylinder Heads. The intake and exhaust manifolds may have come from the US as well. Al is the only one that will. RFD SC-1 SBF Edelbrock. Many aftermarket heads are advertised as Raised Exhaust Ports. At the end of the day, it isn't logical to spend $500 for someone to port these iron heads for a measly 30HP. Looking at the E7's I can see the exhaust ports look pretty small. The BRODIX 18 C series small block aluminum cylinder head has an 18° valve angle that works well on dirt late model or serious drag racing applications. Actually by putting in the inserts the air flow and velocity is so improved that the drag racers have been impressed. 100 long machined for 1/2 " head bolts spacers available for 7/16 head bolts. 600" and exhaust doesn' * I believe the 1 port tested for the ported 1. The most desirable Clevelands is of course the Boss 351 1971 with the adjustable valve train and also the standard closed chamber heads 1969 to 1971. A stock 351W cylinder heads will flow in the 160 to 170 range on the intake side and just below 130 cfm on the exhaust.   Ford N-heads were developed by Ford Racing with the help of Ford Racing N351 Sportsman Cast Iron Heads made by Ford Performance, for as low as $1,099. 140(T) with the floor of the port 1. I was running twisted wedge heads which are sensitive to high lift - when I got the heads used all the guides were whipped out. Stinger, Round Tongue Port Plates Our flat tongue exhaust port plates provide big gains in flow. 260 od 135 @ at 1. At some point in the 70s Ford combined the 302 and 351W head into one. PowerPort® Cleveland 225 heads fit Ford 351C, 351M, and 400 engines out of the box. 54 exhaust was simply a "slow" port. With our "Undercover Porting" the intake will flow 268 cfm; the exhaust will improve to 178 cfm. Your a little backwards there. 6L 3v 130mm Throttle Body opening + Fuel Rail Kit Silver with Sniper EFI logo PLEASE NOTE: Some OEM Style Throttle Bodies for the Ford 05-10 4. When using the Max Wedge port heads flow is up to 379cfm @. 720 $1550 -Hand ported RHS heads assembled for flat tappet or Hydraulic roller cam $2050 -Hand ported RHS heads assembled for solid roller cam up to. These pistons utilize our Superfly F. The Street Heat Aluminum Small Block Cylinder Head is the most well known High Performance head because of its strength and versatility. The ported stock equipment has problems because intake increases good to. 100" valve), taking the 2V head to a new level of performance, never before available from a standard intake port location and size. Fits 289/302/351 Windsor engines Cast from prime 356 T6 aluminum Heads retain Ford OEM intake and exhaust port location and flange. 08-inch intake and 1. Flow data listed on the www. Max flow figures are in the 335/245 cfm range allowing for 650+ horsepower on a naturally aspirated race engine. Those are the smaller chamber (meaning the good ones to have) 1970 351W heads. Ford: 351W, with OEM, M-6049-J302, SVO high port, M-6049-L302 GT-40, Edelbrock, and Dart iron heads with 1/2 in. Big Al’s Exclusive One Year Warranty All our turn/key engines have Al's exclusive One Year Warranty. Cylinder Head, Complete made by World Products, for as low as $689. 8L, 302HO Hydraulic Cams; ERSON SB Ford 351W-5. The intake ports flow 445-470 cfm depending on engine combination and the exhaust port flows 300 cfm. ERSON SB Ford 302HO 85up, 351W 94up Hyd Roll Cam. 956" connecting rods. Refer to the 16V Cylinder Head and Head Gasket Removal and Installation procedure for the correct sequence. The Blue Thunder 460 cylinder head is available in six configurations. Porting work is best done with the cylinders heads disassembled before any valve grinding work is performed so be careful if you do it. Just the thread I needed. 94 intake and 1. The valves are 1. This feature is not available right now. He used the 351w heads heavily ported but he had to use a 260 block because even heavily ported 351w heads wouldn't feed a 289. We deliver the highest quality of high performance work available, all carried out using the latest technoloy state of the art in-house machinery. There is only one externally visible number on the head casting, that's the 4 in the upper coners which signifies it is a large port head. Find great deals on eBay for ford 351w heads and ford 351w headers. 4 barrel carburetor) cylinder head were both cast by Ford with both types of combustion chamber. These heads are very similar to the Cobra Jet castings with adjustable valvetrain. " It is no secret that a good set of headers is one of the best performance investments. 351m 400 heads. Edelbrock B. 181, GM, OMC Mercruiser, others Two piece rear seal Block#2770087, 886 Siamesed port head#3824433, 3805888, 3864888, 3788519 (904, 748, 900, 758, 087, 852 and 531) Crank#N-393775 Starter bolt holes straight across.