boss 302 head flow numbers boss 302 head flow numbers

These free-breathing cylinder heads favored high-rpm use and provided 290 hp at 5,200 rpm and 290 lb-ft of torque at 4,300 rpm in stock form. We learned on the first few pulls that we had too much carburetor with our 750 cfm Holley 4160 and too little camshaft. Im extremely disappointed in this blog.. 10 years????? c. Intake centerlines were assumed for cases where actual values were not available. The pistons featured small domes and valve reliefs designed to fit the stock Boss 4V (Cleveland) heads to produce a static compression ratio of 10.5:1 using the stock 60cc combustion chambers. We got our answer. The as-cast, production Boss/351C 4V . Said to be "overvalved" for street performance. Comp 294S . In addition to the increased flow, the revised valve . Additional upgrades included replacing the stock Boss 302 pan and windage tray with a much-improved version from Moroso. The LS3 intake port flows 308 CFM at .500" and a maximum of 329 CFM at .600" (WOW!) Build a Better Boss (302 Ford, That Is) - OnAllCylinders Exhaust - 1.72 inches. Remember when doing a comparison to other tables check at what pressure differential were they flowed. Cleveland Flow Testing - FordMuscle CHI also offers a number of other intakes for use on the taller 9.2-inch 351C, 9.5-inch 351W, and even the 10.3-inch 400M blocks. Because the 351C has a dry intake manifold, coolant doesn't flow through the intake manifold. Comp 270S The rods are forged steel and are the same as the 289-HiPo but the BOSS used better rod bolts. Bob Perkins(WI) located it and restored it to original shape and build special plexiglass trailer for it to display. identifying a boss 302 block | Ford Mustang Forums The 1968 Trans Am season was a disaster. Having easily surpassed the 372 hp put down by the stock Boss 302 and officially reached our goal of topping the 500hp mark, you'd think we'd call it a day and head down to the local tavern. 1969 Unfortunately for Ford fanatics, the Cleveland family died out after a short run of just 4-5 years. Same thing goes for the heads and I have a set M-6049-C3 part number high port (not Yates) heads. 5) The output is useful for determining the effect of changing camshaft parameters and keeping all other parameters constant. The casting number is located where the starter bolts up to the bell housing. 1970 Intake - 2.19 inches Exhaust - 1.72 inches. Very poor fuel economy. . How are heads that have a good and a bad port handled? why is tobey maguire not in boss baby 2; kansas city funeral home obituaries; vietnam fatigues sale; baekeland family net worth 2020; boss 302 aluminum heads. Boss 302s did indeed have 1.73 ratio rockers from the factory. Enter Fords development of an all-new 351ci engine with poly-angle valve heads and tight-fisted wedge heads destined for a 1970 introduction. Raced and owned quite a few Boss 302s. Number Produced; Calypso Coral: 3: 410: Acapulco Blue: 6: 375: Bright Yellow: 9: 649: Wimbledon White: M: 194: 1970 Boss 302 . I was building that garbage in 2nd grade. In the 1960s, Ford was an outspoken car company, much as Pontiac Division was within General Motors. Disconnect (but dont throw away) the electronic RPM limiter because it stretches the dwell above 6,250 RPMs. Isky 381370 This video we'll talk about why we decided not to go with a Tremec T56XL. Since we were looking to maximize power production and the short-block was already broken in from its original running in stock Boss 302 configuration, we took the liberty of running ultra-light synthetic oil. While the CHI heads offered CNC combustion chambers and an impressive 320 cfm right out of the box, they were given the once over by the gang at Dr. Js. According to DIYFord.com, stock Coyote heads can flow 289.4-cfm on the intake side and 201.4-cfm through the exhaust at .500 inch lift.Calculations show that CNC work increases those numbers to somewhere around 314.4-329.4 cfm intake and 221.2-231.1 cfm exhaust. (Image/Jim Smart) Although these are 1969-70 BOSS 302 heads, they []. Not bad considering we were dealing with a static compression ratio near 10.5:1. Dont use the vacuum advance diaphragm. how to print presenter notes in canva boss 302 aluminum heads. SBF FORD and Mustang Cylinder Heads for 260 289 302 351. Compression ratio change to 10.5:1 yields same shape curves with slightly higher gross numbers for torque and hp. When you change the plugs, go ahead and adjust the valve lash because it will be a little bit loose. The 351C 4V motors, and even the smaller 1969 & 1970 Boss 302, offered head flow unmatched by any (regular) production small block Ford, Chevy, or Dodge heads of the period. Flow Data - Flow Test done by myself on a Superflow600 at 28" valves and seats were 100% stock out of the box Manley 11878 Intake, Manley 11847 Exhaust. Building LS garbage? No stick hole up top. Schneider 1300 Getting to Know Ford's Beasty 351C - OnAllCylinders Manganese Bronze valve guides are used . Depends on material old school rubber gets lube, the Polytetrafluoroethylene rubber gos on dry. Wait 1.6 rockers? That being said, we still have to recognize that the late-model 5.0L Windsor-based engine jump-started the modern blue-oval performance revolution. CNC Livernois Motorsports Stage II Alum, 4.6L 2V P.I. Ford Coyote Engine Cylinder Head Performance Guide I have a 1969 Boss 302 original however I need to reassemble it I originally bought ARIES 10:1 forged pistons I believe 30 over . His main differences from stock are the carburetor size and compression ratio as noted below. This provided more room for larger valves instead of the standard side-by-side arrangement. Believe it or not the stock Ford camshaft may not be the best camshaft for your BOSS 302 engine depending on what you plan to do with your engine. Let's not forget the 1969 and 1970 Boss 302 Mustangs, which combined the 4V Cleveland cylinder head with a 302 cubic . To conceive the BOSS 302, Ford had to develop a special forged piston with a significant dome that would reach deep into the 351C heads 64 67cc chambers. 1969 - C9ZE-6090-A or C This page last updated: February 3, 2022. The darned thing was rabid dog fast. I might like to put it back together this summer with your fluid damper a 600 holley carb and maybe your electronic distributor . Why would you build a 302. It took about 500 honest HP to break into the 11s with a little bit heavier car than your mustang. Ford had and did a great job with Ford Motorsports programs which we were in . Your comment answered my question about the oil level as I changed oil tonight. Ported Steen Racing Stage 2 Alum, '99 & up P.I. Cleveland Flow Testing - FordMuscle I used a DuraSpark II ignition module and distributor which would keep the dwell at exactly 34 degrees, and I used a 40,000 volt coil. Isky 381360 Standard valve angle and spacing is retained for bolt on compatibility. Actually, a number of manufacturers now offer aftermarket Cleveland heads, thankfully in aluminum. This is a little known fact; the US-DOT allowed manufacturers to use thinner sheet metal in 1970, so the 1970 BOSSes are about 300 lbs lighter than the 69 BOSSes. Valves 1.67, 1.45 / 54.5cc. This high performance aluminum cylinder head is a direct bolt on for Ford 289/302/351W engines and retains OEM exhaust, intake, and accessory mounting locations. What the Boss 302 and Cleveland heads did share was tremendous airflow potential thanks to cavernous port volumes. Camshafts are one of the hottest topics on The BOSS 302 Exchange. Flow numbers? | Mustang and Ford Performance Forums What the Boss 302 and Cleveland heads did share was tremendous airflow potential thanks to cavernous port volumes. ENGLE 2123 The Race head flowed a bit over 300 CFM at .700 lift with a fair amount of turbulence hurting the flow. Ford Stock BOSS 302 All flow numbers for Bullet Cylinder Heads come from their Web Site updated Dec. '09. This cylinder head casting, aside from cooling passage differences, is also the 1969-70 BOSS 302 head. 6) To utilize curves for comparison purposes of different camshaft configurations, print out the last page for each desired camshaft combo on translucent paper and place one over the other. What made the 302 block different than the 289 was longer cylinder skirts.015-inch longer to accommodate the 302's longer 3.000- inch stroke. Care must be taken when installing the CHI heads, as there is a definite right and left cylinder head-the heads must be installed with the water passages toward the front of the engine so they line up with those in the intake. Boss 302 Cylinder Head Flow Numbers/Why We Are Keeping The BC - YouTube Accelerated Motion 23350 It didnt conform to corporate protocol and invented the muscle car in its 1964 GTO. Since the goal for our 302 was to exceed 500 horsepower, we selected a set of the 208cc 3V aluminum CHI heads. Im sorry guys but you somehow missed something there are boss 302s out there cranking out way more than what you guys are claiming. The Boss 302 crankshaft can be identified by the casting number of D0ZE-A/7FE-8. We want the best flow numbers with the smallest port volume and the highest velocity (up to a point). Those of you who understand the BOSS 302 know Ford fitted these engines with a 780 cfm Holley but not necessarily because thats what they needed. The Boss 351 head has screw-in studs and guide plates, and it has the same D1AE-GA casting number meaning both have the same head casting, but are machined differently. Factory was1.73 IIRC. Though slightly smaller in specs, the Cam Research Corp cam offered both more average and peak power numbers than the larger Comp cam (admittedly not specifically made for this application). If you used windsor heads its not a BOSS. That tradition dates back to the companys founding in 1903. 4) The values for HP and Torque vs. RPM are for reference only. Once we had emptied our bag of tricks, we were eventually rewarded with peak power numbers of 520 hp at 7,200 rpm and 399 lb-ft at 5,700 rpm. Track Boss manifold for 302 w/351-C 2-V heads | GT40s There is no flat spot and these engines will pull from 2000 against any rival including a Windsor. Tell ya what ,leave the ford enginrs to the ford guys, and you keep playing with that some ole cookie cutter bowtie garbage youre so used to. With the aftermarket in full swing, 5.0L Windsor owners no longer starred longingly at the flow offered by their Cleveland counterparts. Ford Motosports 313 b. Comp Nostalgia 271+ The front and rear springs are much stiffer than a regular Mustang: 420 lbs/in at the front instead of 240 lbs, and 250 lbs/in at the rear instead of 150 lbs. Ford Boss 302 engine - Wikipedia Not quite. . The heads were now capable of supporting more than 700 hp-more than enough for our 500hp 302. JPC Racing- CNC Stage 3 Coyote 5.0 Cylinder Heads ENGLE 2126 CNC Rons Porting Service Alum, Edelbrock 18 Deg. Since this family of heads was originally based upon iron 4V heads, they are compatible with Boss 302, Boss 351, and 351 SVO valvetrain components The Boss 302 head can easily be compared to the Boss 351 head with pushrod guide plates and screw-in rocker arm studs. 2016 Ruby Red GT/CS 401a Exedy stage 2 6r80 build with billet input shaft, 3:55 gears, Procharger Stage 2 D1x (750/539 RWHP) with 4.88 pulley, Mak Performance 4" inlet pipe, Fore innovations Beefcake budget dual pump fuel system, Stock Cams, Livernois Valve springs, Id-1050x Injectors, Reische 170 degree thermostat, Tial 50 mm Bov, Gt-350 intake manifold & t.b, ARH Lt's + ARH complete exhaust . The BOSS 302 heads used some of the biggest valves in the industry. Most flow numbers for BMF heads come from their Web Site updated Aug. '09. Ported PowerHeads SF600 Alum, 4.6L 2V P.I. Designed primarily for use in the SCCA Trans Am series, the Boss 302 was a result of crossbreeding the 302 Windsor short-block with the then-new 351 Cleveland heads. Lazer 2860639 HOLMAN and MOODY C30Z Still have lots of racing Boss and Hipo parts. Intake valve part number M-6507-Z2 Intake Valve Head Diameter 2.050" Intake valve length 5.080" Intake valve material Stainless steel . a. c. Small tube headers with mufflers We started FORD Drag Club at Horn-Williams Ford in Dallas,Tx. The heads were to big for a 351CLEVELAND. rough idle, The 4V heads could out-flow Chevrolet Double Hump heads and Chrysler's high-performance 340 heads. Stan Weiss' - Cylinder Head Flow Data at 28 Inches of Water -- DFW The oiling system upgrades were critical for our high-rpm needs. CNC Rons Porting Service Alum, Edelbrock/ Chapman Victor 18 Deg 61159 Alum, Edelbrock/ Chapman Victor 23 Deg 61209 Alum, Edelbrock/ Chapman Victor 23 Deg 61229 Alum, Edelbrock/ Chapman Victor 23 Deg 61249 Alum, Edelbrock/ Chapman Victor 23 Deg 61209 Revised Smithberg Racing Alum, Edelbrock Victor Jr. 23 Deg. Note all files require Adobe Acrobat Reader software. Symptoms of a leaking power valve: What cam specs and static CR? Condition does not matter! Ford Small Block Engine Data & Specifications | CarTech As I'm sure you know, the Yates heads are not compatible with Cleveland, Boss 302 or Clevor pistons and require a dedicated rockershaft system. Look at Tremec Trans Gear Calculator comparison to BC stage 3 gear set.Boss heads are back from Livernois bowl clean up to improve flow. Gross lift was obtained by multiplying lobe lift by 1.73. Evidently youre research people are either misinformed, or just dont really care about building anything ford. What? Having exceeded 540 hp with our CHI-headed 302, we couldn't help but wonder how much cam and compression would be required to top the 600hp mark? [] Heres a close up of the head Marvin is using on our 351C build. We will admit to you our results on the dyno were disappointing304 horsepower and 288 lb.-ft. of torque. TRW developed these pistons and suppled Ford with them for both racing and production engines. The Boss was topped off with an original aluminum dual-plane intake, 750 Holley carb (they came with 780s originally) and a set of 1 3/4-inch Hooker headers. Can you further help me with where to buy this? The first time out it ran 12.28s at 98 mph. Boss 302 and 351C-4V heads have smaller wedge chambers with huge valve and port sizing, offering excellent flow at high RPM. All Rights Reserved. Stock Valve Sizing In stepping things up, we decided to utilize the same short-block, though we did have to disassemble the motor to have valve reliefs cut into the pistons for our more aggressive cam profile(s). The 306-horse 289 cubic inch High Performance small-block V-8 in Shelby GT350s took on Corvette and the rest and managed to spank Americas sports car in SCCA competition. Ported Steen Racing Stage 1 Alum, '99 & up P.I. "Aftermarket" Cylinder Heads. VJ Bowl Cutter I-33 E-33 Back Cut Weingartner Racing Brez, Chevy 14011076 Ported BH Performance Alum, Chevy Bowtie Weingartner Racing Ported Brez, GM / DRCE 1 PS 2004 - Darin Morgan SF600 Alum, GM / Pro Mod 5.2 BS - Darin Morgan SF600 Alum, AFR 265 Oval CNC Chamber Partially Ported SF600 Alum, AFR 265 CNC Chamber Wolfplace FlowData Alum, AFR 305 CNC Chambers Partially Ported SF600 Alum, AFR 305 VJ Bowl Work Foxwell Motorsports Alum, AFR 335 Ported Foxwell Motorsports I-45 E-45 Alum, AFR 385 3v Performance Bad Port Out of Box Alum, AFR 385 Out of Box Weingartner Racing Alum, BMF 310 Out of Box Weingartner Racing Alum, BMF 310 Out of Box Weingartner Racing Brez Alum, BMF - Texas Pro Stock Ported Slick Rick Racing Heads Alum, Brodix RR BB-O CNC Chamber Wolfplace FlowData Alum, Brodix RR BB-R CNC Chamber Hekimian Racing Alum, Brodix RR BB-R Ported Mike Stark I-45 E-45 Saenz 680 Alum, Brodix BB-1 26 Deg 305 CNC M2 Race Systems Alum, Brodix BB-1 26 Deg 308 CNC M2 Race Systems Alum, Brodix BB-2X 26 Deg 3V Performance Ported Alum, Brodix BB-2Xtra 26 Deg CNC M2 Race Systems Alum, Brodix BB-3Xtra O 24 Deg 335 CNC I-45 E-45 Alum, Brodix BB-3Xtra O 24 Deg 380 CNC I-45 E-45 Alum, Brodix BB-3Xtra O 24 Deg 332 CNC I-50 E-50 Alum, Brodix BB-3Xtra O 24 Deg 351 CNC D & F Alum, Brodix BB-3Xtra O 24 Deg 351 CNC I-50 E-50 Alum, Brodix BB-3Xtra O 24 Deg 365 CNC I-50 E-50 Alum, Brodix BB-3Xtra O 24 Deg 3v Performance Bad Port Alum, Brodix BB-377 HH 24 Deg Oval CNC I-52 E-55 Alum, Brodix BP HH BB 383 24 Deg Oval CNC I-52 E-55 Alum, Brodix BP HH BB 383 MC 24 Deg Oval CNC I-55 E-55 25/50 Alum, Brodix BP HH BB 395 MC 24 Deg Oval CNC I-55 E-55 25/50 Alum, Brodix HH 383 Oot of Box Weingartner Racing Alum, Brodix BB-4 24 Deg Raised Port MBE SF600 Alum, Brodix BB-4Xtra 24 Deg M2 Race Systems CNC Alum, Brodix Big Duke - PB 1800 18 Deg Ported Alum, Brodix Big Duke - PB 1801 18 Deg Ported Alum, Brodix Big Duke - PB 1802 18 Deg CNC Chamber Alum, Brodix Big Duke - PB 1803 18 Deg CNC Chamber Alum, Brodix Big Duke - BP PB 1803 18 Deg CNC Alum, Brodix Big Duke - KC PB 1803 18 Deg CNC M2 Race Systems Alum, Brodix Big Duke 12 Deg CNC Slick Rick Racing Heads Alum, Brodix - KC PB 5000 5.0 Inch BS 15 Deg CNC Alum, Brodix / Sonny's PB 2005 14.5 Deg I-55 E-55 Alum, Brodix / Sonny's PB 2005 14.5 Deg Minor Port I-55 E-55 Alum, Brodix / Sonny's STS PB 2005 14.5 Deg E-Tulip I-55 E-55 Alum, Brodix - Texas Pro Stock Type Ported Slick Rick Racing Heads I-50 E-55 Alum, Brodix SR20 Conventional Darin Morgan Alum, Canfield 310 VJ Bowl work Chad Speier Alum, Canfield 310 Ported CFM Technologies Alum, Canfield 310 Ported Foxwell Motorsports Alum, Canfield Ported Foxwell Motorsports I-45 Alum, Canfield Ported Champion Racing Heads SF600 Alum, Canfield 310 Weingartner Racing I-BC E-Tuliped Alum, Canfield 310 2012 Foxwell Motorsports Alum, Canfield 310 2012 Foxwell Motorsports CNC bowl blend Alum, Canfield 360 Ported Foxwell Motorsports Alum, DART N.E. There are plenty of them lying around used and new-old-stock. Did you get them at a Chevy garage sale? Australian car enthusiast with 30 years experience in the high performance industry. All numbers from a super-flow 600 @28 in on a 3.630 stock bore. The 302 block appeared for the first time late in the 1967 model year in both 289- and 302-ci applications that had a C8AE or C8OE casting number with a "302" in the valley area. . The 302 Tunnel Port already had a terrific four-bolt main block and steel crank along with beefed up C3AE 289 rods and special pistons designed for the Tunnel Port heads. Like the heads, the intake was turned over to the flow experts at Dr. Js to ensure that the manifold could keep pace with our ported 3V heads. This engine was built in the 80s by someone with way to much money. Although the oil pan is the same as a regular 302W, the BOSS dip stick is shorter (and chromed) so the engine takes about two extra quarts of (7 instead of 5) to show its full. I set the valve lash at 0.022 instead of 0.025 and I gaped the plugs at 0.025 instead of 0.035 so there were NO miss-fires. Compromises affecting BOSS 302 performance were made in meeting those objectives. Every time I put a bigger carb on it, it ran faster. The BOSS 302s biggest shortcoming is port sizing, which is something Ford has rarely been able to get right. SBF Head Numbers. That Ford recently revitalized the name for its latest line of 5.0L-based crate engines adds fuel to the fire, but know that the original Boss 302 was the most powerful factory 5.0L ever offered by Ford up until 2011. Battle Of The 1969 302-Cube Powerhouses: BOSS 302 Vs. DZ 302 - EngineLabs Isky 381380 Any advice would be greatly appreciated. A stock 1970 Boss 302-spec solid, flat-tappet cam was used and offered a tad over 0.500-inch lift and 228 degrees of duration at 0.050. 351 Cleveland Cylinder Heads Guide: Factory Iron Heads - DIY Ford boss 302 head flow numbers - communitydirectservices.com The BOSS 302 heads used some of the biggest valves in the industry. For the 1968 Trans Am season, Ford took the 302 cubic inch Tunnel Port out there in search of victory. Weingartner Racing Brez Iron, Chevy 990 Rect. Some cams used lift at 0.050" where advertised duration was not available. Production casting part numbers: 1969 - C9ZE-6090-A or C 1970 - D0ZE-6090-A or B. Was running 850 dbl pump Holley with 4:56 gears, and I was running 12:20s at over 112 mph in the quarter. . (BOSS) The cast iron exhaust manifolds are OK for 6,000 RPMs, so switch to Hooker Headers if you want to go faster. Ported Chapman Alum, Edelbrock 61139 Victor 15 Deg. Intakes; average of all 8, using the Kaase 2.300" valve and his valve job. Though not designed specifically for our CHI-headed 302, the Comp roller worked well and allowed us to exceed the 500hp mark. Im trying to leave this pretty much as is, until I get a few good drives in. Crower 15322 Lucas Oil supplied some 5W Pro Stock oil designed for high-rpm race engines with good oiling systems. Livernois uses stock Boss exhaust valves for their head example. d. a 750 cfm carb. . The Autolite power valve does leak internally after a shot time, but, you can replace it with a Holley power valve because it has the same threads and the Holley power valve is made to resist the effects of ethanol. Wondered why it did not come up to the full line at 5 quarts. Boss 302 is a Windsor engine; uses Windsor cam lobe profile & 1.6 Windsor rockers. Given the port-alignment difference between the CHI 3V, and either the produc-tion 2V or 4V, neither of the factory Ford intakes will fit the CHI heads. I never did own a Boss 302, but I was around them when they were new.I have had lots of 351C. . Stock Valve Sizing c. Small tube headers with mufflers d. a 750 cfm carb. Exhaust flow with a 1 3/4 inch pipe and standard comp. Above you see a casting with a D1ZE part number. The street heads had smaller intake valves and flowed around 290cfm. Heads, cam and carburetors are components that have to be matched to the intended application. Howards 212241 This video well talk about why we decided not to go with a Tremec T56XL. Exhaust Runner Flow Remarks Despite the large variations in exhaust runner volume and shape, the Stock 351C 2V, Stock Boss 302, and Edelbrock 351C all show fairly similar flow performance on the bench. boss 302 tunnel port info? flow numbers - Forums Obviously, the Boss 302 was purposely underrated by Ford, but just how much better could we make it? Howards 212341 Lunati 306A4LUN For dyno use, we installed a 950 HP Holley-again more than enough carburetion to reach our goal of 500 hp. Ford 335 engine - Wikipedia This is said to be the real key to the success of the CHI castings. The Moroso oiling system included a full-length, louvered windage tray matched to a deep-sump oil pan and matching pick up. Windsor jr heads | Ford Muscle Cars Tech Forum Crane POWERMAX H-282-2 CHI offers a number of 3V head configurations, or more accurately port volumes (and attending flow rates). Small block Ford PRO1 20 170cc Aluminum cylinder heads feature high flowing as cast ports with profiled valve guide bosses and are bowl blended on 5-axis CNC machining centers. The radiator, brakes, U-joints, bearings, are the same ones used in the 428 CJ cars. Ford OHV V8 Cylinder Head Casting Numbers Reference Guide - EngineLabs . Although dual-point distributors reduce point bounce, they dont eliminate it. Howards 212271 You need to do your homework and consult with your engine builder. Ive been using a Holley power valve in the Autolite carb for 3 years now with no internal leaks. Learn how your comment data is processed. Weve got 302 fords with gt40 3 bar heads making over 500 hp. The Windsor block's cylinder heads were replaced by the less restrictive Cleveland engine heads. Im looking for three Ford Cleveland 4V engines. Ported Kaase Boss Hemi heads - flow test - 429-460.com The camshaft requires careful consideration and selection when building or rebuilding our favorite engine, the BOSS 302. hard to start when cold because the carb is actually flooded, Alum, DART Late Big Chief 18 Deg Full Port 45 Deg Intake Back Cut Alum, DART Big Chief 18 Deg Ported ET Performance Alum, DART Big Chief 18 Deg Ported MBE I-55 E-55 SF1020 Alum, DART Big Chief 18 Deg Ported Chapman Alum, DART Big Chief 18 Deg CNC Slick Rick Racing Heads Alum, DART 14 Deg Olds Ported Dr Js Performance I-50 Sf600 Alum, DART Big Chief 14 Deg Oval Full Port I-55 E-55 Deg SF1020 Alum, DART Big Chief 14 Deg Oval CNC M2 Race Systems Alum, DART Big Chief 14 Deg Ported ET Performance Alum, DART Big Chief 14 Deg Ported MBE I-55 E-55 SF600 Alum, DART 11 Deg Big Chief II Oval Full Port 55 Deg SF1020 Alum, DART 11 Deg Big Chief II Ported MBE I-55 E-55 SF600 Alum, Edelbrock Victor Jr CNC Oval 60409, 60419 SF1020 Alum, Edelbrock Victor Jr CNC Rect 60409, 60419,60429, 60439 SF1020 Alum, Edelbrock/ Chapman 60429, 60439 Oval Ported Alum, Edelbrock 60459, 60479, 60499, 61459 Performer RPM 454-O Alum, Edelbrock 60459 Performer RPM 454-O Wolfplace FlowData Alum, Edelbrock Performer 454-O 60479 SF1020 Alum, Edelbrock Performer 454-O 60499 SF1020 Alum, Edelbrock Performer RPM Xtreme 454-O 51459 SF1020 Alum, Edelbrock Performer RPM 454-R 60559 SF1020 Alum, Edelbrock Performer RPM Xtreme 454-R 51539, %1559 SF1020 Alum, Edelbrock Performer RPM 6046 AirWolf 305 Oval Dr Js Performance Alum, Edelbrock 60559, 61559 Performer RPM 454-R Alum, Edelbrock E-CNC Oval 24 Deg Large Bore SF1020 Alum, Edelbrock 77459 Victor Jr. 24 Deg SF1020 Alum, Edelbrock Victor 24 Deg 77409, 77429 SF1020 Alum, Edelbrock/ Musi Victor 24 Deg 61409 SF1020 Alum, Edelbrock/ Musi Victor 24 Deg Out of Box NPS Alum, Edelbrock/ Musi Victor 24 Deg SF1060 Alum, Edelbrock/ Musi Victor 24 Deg Ported Dr Js Performance I-50 Alum, Edelbrock Victor 24 Deg Ported RFD 370 Alum, Edelbrock Victor 24 Deg Ported RFD 383 Alum, Edelbrock Victor 24 Deg Ported RFD 383 Updated 12-04-08 Alum, Edelbrock Ported RFD Flowed Wolfplace FlowData Alum, Edelbrock/ Chapman 77659 Rect.