Niedrige Preise, Riesen-Auswahl. Kostenlose Lieferung möglic Entdecke jetzt die neuesten Fashion Trends und Accessoires im ORSAY Online Shop. Mit Click & Collect ist eine kostenfreie Lieferung in deine Filiale möglich Find Ford Performance Parts Super Cobra Jet Cylinder Heads and get Free Shipping on Orders Over $99 at Summit Racing! Ford Performance Parts teamed up with Jon Kaase to redesign their 429 Cobra Jet cylinder heads, and the results are these Super Cobra Jet heads. They feature revised valve angles and locations to reduce cylinder wall shrouding and improve flow, along with redesigned combustion.
Jon Kaase Racing Engines, Inc. 735 West Winder Industrial Parkway Winder, GA 30680. Phone: (770) 307-0241 Fax: (770) 307-0231. Email: JonKaaseRacing@gmail.comJonKaaseRacing@gmail.co super cobra jet cylinder head - assembled with dual springs. m-6049-scja. msrp $1,400.00 7.3l rh cylinder head assembled. m-6049-sd73a. msrp $1,125.00 302/351w x2 street cruiser assembled aluminum cylinder head 64cc. m-6049-x2. msrp $1,000.00.
Super Cobra Jet Heads Ford Racing brings to you the Super Cobra Jet Aluminum Cylinder Heads. Thess big block cylinder heads are the perfect combination to your fit your 429 or 460 Big Block Ford. Ford Racing Designed this latest generation on an old classic name to deliver high output performance in a lightweight, cast-aluminum package Fully ported, the Super Cobra Jet head was capable of high 300s on the intake flow scale. With the P51, the idea was to incorporate the gains made in port development on the Super Cobra Jet into an all new casting; essentially, the P51 was to be an as-cast piece designed to resemble the ports of a fully ported Super Cobra Jet super cobra jet cylinder head - assembled with dual springs. m-6049-scja. msrp $1,400.00 super cobra jet cylinder head assembled with dual springs w/damper. m-6049-scjb. msrp $1,500.00 7.3l rh cylinder head assembled. m-6049-sd73a. msrp $1,125.00. item 1 FORD FE 428 CJ COBRA JET HEADS C8OE-6090-N,1968 69 70 MUSTANG,FAIRLANE,TORINO GT 1 - FORD FE 428 CJ COBRA JET HEADS C8OE-6090-N,1968 69 70 MUSTANG,FAIRLANE,TORINO GT. $999.99 0 bids 1d 19h. item 2 428 Cobra Jet Cylinder Heads C8OE -N 8H16 And C8OE -N 8414 2 - 428 Cobra Jet Cylinder Heads C8OE -N 8H16 And C8OE -N 8414
Super Cobra Jet Heads. I have the opportunity to pick up a set of Aluminum SCJ heads. They have Ferrea valves 2.250/1.860 and he thinks they are titanium. They come complete with 1.73 scorpion rockers and jomar stud girdles. They have been ported a little. They flow 345 intake and 245 exhaust Edelbrock 7365 Cylinder Head Gasket Set Fits 1968-1987 429 460 Ford Engines (Fits: Ford Super Cobra Jet) Authorized Edelbrock Dealer. Fast & Free Shipping! Brand New. 5.0 out of 5 stars. 1 product rating. - Edelbrock 7365 Cylinder Head Gasket Set Fits 1968-1987 429 460 Ford Engines. C $222.26 These heads use the same valves, valve springs, retainers, and 7/16 in. stud-mounted roller rockers as the current Ford Performance Parts 429 Cobra Jet heads, and the standard Cobra Jet intake and exhaust manifolds bolt right on. This new design offers a 25-50 HP increase over current Cobra Jet heads, depending upon displacement and camshaft
Straight Plug AIR FLOW RESEARCH This sale is for a fully... Posted Yesterday, 12:50 AM. $2,075. Kingsport , TN. 2 1. AFR CHEVY SBC ELIMINATOR HEADS 195cc 65cc FULLY BUILT 1034HR. AFR 195cc WITH 65cc CHAMBERS ELIMINATOR SERIES ALUMINUM HEADS. Straight Plug AIR FLOW RESEARCH This sale is for a fully... Posted Yesterday, 12:50 AM . Jump to Latest Follow 1 - 11 of 11 Posts. justintx75 · Registered. Joined Feb 21, 2006 · 730 Posts . Discussion Starter · #1 · Feb 23, 2008. I am looking to upgrade to some better heads for a bracket/street car (less than 500 miles a year) can someone post the pros and cons of each out the box and ported?. 429/460 Ford Cylinder Heads. Blue Thunder has long been known as a leading manufacturer of high performance cylinder heads for 460 Ford high performance and racing engines. The Blue Thunder 460 cylinder head is available in six configurations. All have an improved Cobra Jet intake port which is capable of peak flow in the 410 cfm range Cylinder Heads. The cast iron cylinder heads used for both 428 Cobra Jet and Super Cobra Jet engines from 1968 through 1970 (part number C8OZ-6049-K) are easily identified by casting number and physical appearance. 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
Ford Performance is proud to offer their Super Cobra Jet Cylinder Head (M-6049-SCJA) with Dual Springs for your 429 or 460 engine. This upgraded cylinder head reduces cylinder wall shrouding and improve flow, with redesigned combustion chambers to accommodate the more centrally-located valves Boss Nine heads can provide up to 100hp more than the P51 heads or the Kaase-engineered Ford Racing Super Cobra Jet aftermarket heads when used on 460-521-cu.in. displacement engines. Trick Flow Specialties offers its PowerPort A-460 aluminum cylinder heads for stock 385-series engines Here we have a pair of excellent original casted F.E. Heads for a 69Mustang Mach 1 69 Shelby GT500 possibly even a early 69 428 Cobra Jet or Super Cobra Jet engine. These factory castings are commonly used on the Shelby GT 500 Mustang, Mach 1, Cougar XR7, Torino Cobra,Fairlane, Cyclones even Ranchero's.Properly stamped for a Cobra Jet with C8OE. CNC Competition BB Ford 521/532 Stroker Short Block, Eagle Crankshaft and Rod, JE 13.2:1 Pistons for Super Cobra-Jet Heads. $4,476.33. Big Block Ford 521/532 Stroker Short Block, Ford 460 Block, Eagle 4340 Forged Steel 4.300 Forged Steel Crankshaft, Eagle 6.800 H Beam Rods with ARP Bolts, JE 13.2:1 Pistons to fit Super Cobra Jet Cylinder Heads.
First off, I have never seen any C8OE-N Cobra Jet heads that were not drilled and tapped for the Thermactor air pump system. And while there are a number of good aftermaket aluminum cylinder heads, the iron CJ heads ain`t all bad. My flat tappet 428 ran 10.0s with stock CJ heads, and my 454 FE ran high 9s with another pair of stock iron CJ heads 3,297 Posts. #10 · Mar 28, 2011. In the article archive there is a Super Ford article from Feb. 1994 on the NEW BT CJ head. Covers all the features and options. Says available in both cast iron and aluminum. Have to wonder how many of the 100cc open chamber heads were made! Steve 1968-1970 428 Cobra Jet and Super Cobra Jet Cast Iron Intake Manifold. $475 (inl > Claremont) pic hide this posting restore restore this posting. $1,300
Changes were few in the 385-series valvetrain throughout its production life. Standard and Cobra Jet 429/460 heads had positive-stop, no-adjust rocker arm fulcrums. The standard and Cobra Jet 429s used the C8SZ-6564-A rocker arm. The 429 Super Cobra Jet for 1970-1971 had adjustable rocker arms (C9ZZ-6564-A) with mechanical lifters Stealth™ Intake Manifold 429, 460 V8 (Cobra Jet and Super Cobra Jet heads) This manifold is part of the Weiand Nostalgia Series of intake manifolds. Weiand Nostalgia Series intake manifolds are made using the original tooling, and may have minor appearance imperfections that do not affect the functionality of the part. These minor blemishes are a natural part of the casting process when. If you believed the ads, you had to wonder how Ford sold any Cobra Jet and Super Cobra Jet engines at all. Compared to a plain ol' Thunder Jet 429, a Super Cobra Jet would cost about $500 more and net you 15 advertised horsepower. Fifteen. You could get that from a set of headers and a better cam, then buy a set of sticky tires with the change Weiand Stealth Intake Manifold for 429 and 460 Cobra Jet and Super Cobra Jet Engines. If you're lucky enough to have a 429 or 460 Cobra Jet or Super Cobra Jet engine sitting inside your vehicle, than you'll need some specialized parts and pieces to get that big beauty working to the best of its ability SCJ = Super Cobra Jet. Ford used this name for special ordered solid tappet versions of their 1969 - 1971 Cobra Jet engines; the 428 Cobra Jet and the 429 Cobra Jet. I use the term to denote a very hot street camshaft, or a very hot street engine equipped with such a camshaft. fps (feet per second?) = Yes feet per second. A foot is 304.8mm.
. Ad id: 809198458031530. Views: 2103. Price: $2,500.00. I have an early 68 428 CJ block with a date code of 7M6 which is 6 Dec of 67, this is the 1st week the cj blocks were cast so this is very rare and correct for 68 Shelby and cobra jet Torino The block has a fresh bore of 40. Manifold fits a 6-71 thru 16-71 roots type supercharger. Blower manifold is 6.90 inches tall from deck of block to blower mounting surface. Manifold ports are set up for Super Cobra Jet type ports on the cylinder heads and if the buyer is going to use port injection the buyer will have to drill and tap the bosses 1/8 pipe FORD 1970-71 429 CJ / SCJ ALUMINUM VALVE COVERS. HERE'S A SET OF ORIGINAL 1970 / 71 429 COBRA JET - SUPER COBRA JET. THESE HAVE THE D1 PART NUMBER. THEY'VE BEEN SITTING ON THE SHELF FOR SEVERAL YEARS. I HAVE CLEANED THEM UP WITH SOME ALUMINUM POLISH BUT COULD USE SOME MORE. ONE OF THE OIL DEFLECTORS NEED A TACK WELD 2012 Factory Super Stock-Classed FSSB/FSSA Cobra Jet Mustang. Project started as a Body in White from Ford serial #001.... Posted Today, 12:45 AM Early Acces
429 Cobra Jet Engine with rebuilt Super Cobra Jet Heads aluminum lifters ect. My father passed away. Rebuilt 429 CJ engine. 4 speed toploader. Aluminum rockers ect. This was a very strong engine. Nice set of Super Cobra Jet heads on this motor with extra set of rebuilt Dove-A Heads. Minus Intake and carb. $3500. 304-778-2667 68-70 Ford 428 Cobra Jet Cylinder Heads C8OE-6090-N Matched Pair dated Dec 3, 1968 and Dec 26, 1968. They have been hot tanked, maged and pressure tested. They have 16 hardened seats, 16 new guides, stock intake valves and new stainless 1.65 exhaust valves. The springs are good for a .500 lift cam The Cobra Jet heads have been given a minor bowl clean-up, but are otherwise stock. Both sets of heads use identical valve sizes, and were both tested with a clay radius on the intake port and a 1 3/4 pipe on the exhaust port. Test data was taken on a SuperFlow SF-600 flow bench. From a flow perspective, it appears that the intake ports are. 1969 1970 428 Super Cobra Jet SCJ Mustang Cougar Finned Valve Covers! Brand New. C $499.95. Top Rated Seller. Top Rated Seller. or Best Offer. From United States. +C $71.88 shipping estimate. S p o n s o r e d
1969 mustang 428 cobra jet engine for Sale ( Price from $46900.00 to $139995.00) 6-25 of 27 cars. Sort by. Date (recent) Price(highest first) Price True R-code 428 Mach 1 Super Cobra Jet options include oil cooler and 3.91 Traction-Lok rear Rotisserie restored to concours condition 428 CI Cobra Jet engine 4-speed transmission Documented. Last year I raced Rod Heltzel's Ford Mustang Cobra Jet while my Dodge Demon was still stock power. I modded the Demon and now we're back exactly 1 year later..
I am selling a very large collection of very rare parts.E.g C9AE-E Boss 429 block , HP 429 Boss 429 block ,Boss 429 service block.Many 428 Cobra jet blocks ,Heads ,Intakes ,Cranks ETC Many 427 ,406 blocks and internals.Also aftermarket big block Ford performance parts The Super Cobra Jet was only available with a final drive of 3.90 or 4.30, while the regular Cobra Jet was available coupled with a 3.25:1 final drive ratio. The 429 Cobra Jet and Super Cobra Jet were not unlike many of the other specific engines in that era that did not have a very long production life 1968 mustang 428 cobra jet engine for Sale ( Price from $79900.00 to $204900.00) 6-10 of 10 cars. Sort by. Ford replaced the previous 428 with the Cobra Jet 428, which featured larger valve heads, Used F-250 super duty Used Limited Used F-350 super duty Used Thunderbird Used Transit connect The car automatically became a Super Cobra Jet. The package included special capscrew-type connecting rods borrowed from the Ford GT Mark IV 427 Le Mans engine. A different crankshaft and forged.
. The heads were also cast with larger combustion chambers to reduce compression ratios to 8.8:1. COBRA JET AND SUPER COBRA JET 429 Like the FE 428 before it, the 429 also received the famous Cobra Jet option. Two versions were made, the 429 CJ and the 429 SCJ (Super Cobra Jet) This 1969 Ford, Mach 1 Mustang, Super Cobra Jet is a very solid one of a kind find! All original body panels, 99% rust free. All original body panels, 99% rust free. Believed to be..
A diagonal bolt pattern (14-bolt on the head itself, not the manifold) was common to Mustang, Cougar, Fairlane, Comet/Cyclone, and Torino FE heads. If you find the diagonal exhaust-manifold bolt pattern, you've found a 390 High Performance or 428 Cobra Jet piece designed for an intermediate or compact 1969 Mustang Mach 1 Super Cobra Jet Drag Pack! For Sale. This is a special order 1969 Mustang Mach 1 R Code 428 Super Cobra Jet, with approximately 35,421 original miles. It is a very rare and collectible Mustang. Originally built April 30th, 1969, it was restored in 2006 and has been consistently kept in a temperature controlled environment. D00E-R - Cobra and Super Cobra Jet casting. Combustion chamber volumes vary between 71 to 75 ccs. Valve sizes are 2.24 intake and 1.72 exhaust with the both the intake and exhaust ports being larger. Flows more air than the Police Interceptor cylinder head and with some port work will make more power What any stock Cleveland needed was the right intake and camshaft to go with the head flow. To illustrate this, we ran a rebuilt 351C with a reproduction of the stock 1971 Cobra Jet cam (already a step up from the standard 4V cam) and factory cast-iron intake. In stock trim, the 351C produced 359 hp at 5,700 rpm and 372 lb-ft at 3,800 rpm
Ford F800 cab and chassis, 429-4V , 13 speed tandem, on air. Recent brake work, 2 new Potts, new fuel pump, new exhaust, no rust, a couple small fibreglass cracks in the hood. Runs and drives good, currently Alberta insured and registered,30250 showing on the odometer. $79.00 Edelbrock part #2966 Victor 460 intake manifold is designed for Ford 429/460 competition engines using Cobra-Jet cast iron, SVO Cobra-Jet aluminum (M-6049-A429), or the Edelbrock 460 CJ aluminum heads. This intake manifold is ideal for drag racing (Super Stock, Super Gas, Super Comp, Brackets, etc.), marine or any application requiring maximum. The 429 Cobra Jet (429CJ) was fitted with a Rochester Quadrajet 700 cu ft/min (20 m 3 /min) 4-bbl carburetor, a larger camshaft; a special set of cylinder heads allowed for an 11.3:1 compression ratio, increasing output to 370 hp. The engine was fitted with or without a hood scoop, matched with a 3.25:1 rear-axle ratio
1970 Ford Galaxy XL 429 Convertible. $9,400. pic hide this posting restore restore this posting. $5,999. favorite this post. Jun 28 428 Super Cobra Jet. The 428 Super Cobra Jet (also known as the 428SCJ) used the same top end, pistons, cylinder heads, camshaft, valve train, induction system, exhaust manifolds, and engine block as the 428 Cobra Jet. However, the crankshaft and connecting rods were strengthened and associated balancing altered for drag racing 390 w/ 428 Super Cobra Jet Heads: 1955 Ford Fairlane Hot Rod. This 1955 Ford Fairlane is described as a really cool, old school no-frills hot rod, and we think it looks the business with a teardrop hood, Rocket Racing wheels and a well judged rake. A pretty old respray in good looking maroon paint covers the exterior, and the cabin. Super Cobra Jet - 40@28 - 60 - SCJ4060HO — Sale price $488 Super Cobra Jet. Save $50. Super Cobra Jet - 43@28 - 62 - SCJ4362HO. 428 Cobra Jet heads C80E 6090-N for sale. Heads were vatted, magnufluxed and had no cracks or previous repairs. New bronze valve guides installed. Multi angle valve job. Heads were cut .005 to clean up the gasket surface. All threaded holes are perfect. No repairs of any kind
While Cobra's that were factory equipped with the 429 SUPER Cobra Jet engine are appraised at double the value of one having the standard 429 Cobra Jet engine (plus 20% for Ram Air Shaker Hood), I have yet to personally document the sale of a true 429 SUPER Cobra Jet equipped Cobra, that still had its original engine and drivetrain 1969 Ford Mustang Mach 1 428 SUPER COBRA JET, DRAG PACK! R Code Ram Air Induction! This Mach 1 has LOW MILES AND IS DOCUMENTED! Investment Grade with 50,160 Original and Documented Miles!!Original 428 SUPER Cobra Jet (SCJ) Rebuilt to PerfectionR Code Ram Air Induction (SHAKER)4 Speed Close Ratio Manual TransmissionOptional V Code 3.91 Traction-Lok Rear AxleRare and desirable factory.
Edelbrock Ford Windsor Performer RPM heads + chambers 18. 1957-1966 Plymouth POLY 277/318 iron production heads IN HOUSE prepared offshore aluminum big block Ford head no longer available 1969 Ford Mustang Cobra Jet. #1078-MWK. $117,000. MILWAUKEE - INVENTORY. Fantastic Orange 1969 Ford Mustang Cobra Jet For Sale ~ Listed for $117,000, this 4 Speed Manual transmission is the perfect complement to it's 428ci Big Block V-8 engine ~ Read More... 4,546 VIEWS. 2 FOLLOWERS. 1st Gen Ford Mustang
The brilliant Grabber Orange seems to match the bigger-than-life persona that a G.T. 500 embodies. Powered by the rare 428 Super Cobra Jet, CJ C6 transmission with cast-iron tail shaft with R servo, and 3.91 Traction-Lok rear axle are all in immaculate condition. The Shelby hood with three forward facing NACA scoops and center duct Ram. UH-1B, 63-12950, N2956F. N2956F $215,000. Former US Border Patrol Huey that was stationed in Florida. Includes a set of good, spare B blades, in metal boxes, with good records and 156.1 hrs Remaining on each One for 428 CJ after that date, and two for 428 Super Cobra Jet before and after that date. The 428 CJ cylinder heads feature an unmachined chamber of 73-76cc, 2.06 intake valves and 1.66 exhaust valves. The intake ports measure 1.34 x 2.34. Exhaust ports measure 1.28 x 1.84. The 16-bolt pattern exhaust face is unique to these CJ heads
Not a Super Cobra Jet block, not even a Cobra Jet block, not Super Cobra Jet heads, not even Cobra Jet heads. I can tell all these things with 100% certainty just by looking at the pictures and being provided the cylinder block casting number which is neither 4-bolt nor is it thick main webbed No Reserve Classics is proud to present to you our 1969 Ford Mustang Mach 1 428 Cobra Jet R-Code fo $128,995. Dealership. CC-1489845. 1969 Ford Mustang. 69 Mustang MACH 1 428 COBRA JET with Deluxe Marti report •Spectacular, Cobra Jet mustang beauti $69,990. Dealership Showcased i have several p.i. heads for the 429/460 but they are off of 73-74 engines. they have cobra jet valves in a std.heads.i have a set on my 69 ford which i polished the chambers and ported and polished the exhaust ports. left the intakes the same.runs great.in 69 i'm not sure that they would be any different then regular heads. when i did the machine work on these heads i had to replace a couple. 429 Cobra Jet. Four-bolt main engine block (with exception to some early 1970 models). Larger cylinder heads—2.25 inches/1.72 inches intake/exhaust. Rocker arms were stamped steel 1.73:1 ratio with sled type fulcrums, threaded screw-in rocker studs and pushrod guide plates
97 cars from $10,000. Find the best used car deals for your search craigslist 1970 torino. Traction-lok rear axlesteel wheels w/ polished ringswimbleton white over blackrear window slatshideaway headlampsdeluxe marti reportFor sale is a very rare one-family owned 1970 ford tornio gt 429cj2-door har Direct bolt-on aluminum heads for 1961-76 390-427-428 Fords 428 Cobra Jet-sized valves promote excellent flow for streetable power. complete less rockers. SOLD INDIVIDUALLY Price: $707.9 For the 429 Cobra Jet, as found in Mustangs, the heads featured 2.19-inch intake and 1.73-inch exhaust valves, along with a 715-cfm Rochester QuadraJet four-barrel carburetor for 370 hp With the decision to purchase Sanderson Headers, you receive: Over 50 Years of Experience! Since 1964, we have been building and installing the best exhaust system components on every imaginable type of car, truck, street rod, custom and kit car. Our headers can be found in magazines, at car shows and events around the world. Quality You Can See! No compromise! We begin by using quality. The newer Ford 429-460 Super Cobra Jet (SCJ) aluminum cylinder heads made by Jon Kaase have been significantly redesigned from the previous Ford Cobra Jet (CJ) aluminum versions.In doing so the valves have been moved in the head placing them closer to the valve cover gasket rail sometimes creating interference with the inside of the bolt hole bosses on the S/T valve covers
I have a 69 428 cobra jet engine that I am in the process of rebuilding. the cost is going to surpass $2,500 and I a wondering if it is worth it. It has a 4 speed top loader transmission attached. should I part it out. I am looking at building a kit car and using this engine. Dav Here is my take. Go back to your post made Nov 2nd and read it. You clearly stated that the Chevrolet MM Turbo Jet head became the Ford Cobra Jet Head. As written on that day, there seems to be much ambiguity and room for interpretation. We all know the Chevy head would never bolt to the Ford block, etc Classic Car Deals. Cadillac, MI 49601 (644 miles from you) (844) 676-0714. ‹ Prev. 1. 2. 3. Next ›. Classics on Autotrader is your one-stop shop for the best classic cars, muscle cars, project cars, exotics, hot rods, classic trucks, and old cars for sale At Advance Auto, we carry 529 different types of Remanufactured Engine products for your Ford at competitive prices to fit your budget. Save on cost when you find your Ford replacement Remanufactured Engine with us. Make sure to compare prices and take a look at the top user reviewed Remanufactured Engine products that fit your Ford
1969 Ford Torino 428 Cobra Jet for sale in Winchester, Kentucky. $18,700. Share it or review it. 969 Ford Q-code Torino Cobra. A very rare Torino: 1 of 124 finished in Indian Fire (Paint code Y) Built at Fords Kansas City, Kansas assembly plant. Black vinyl interior (code 1A) 428 CID V-8 Cobra Jet engine (code Q) with four-barrel carburetor and. Starting in May, 1968, the last 1,571 1968 GT500s were all GT500KRs. Ford rated the 428 cubic inch Cobra Jet engine at a very conservative 335 horsepower, mainly for insurance purposes. In reality the Cobra Jets produced closer to 400 horsepower, making the GT500KR the most powerful GT500 ever built The legendary Cobra Jet intake manifold returns with an all-new look! Featuring an all new lid design, this intake manifold has a new provision to wear the exclusive Ford Performance badge proudly. Developed and based on the naturally aspirated 2013 Cobra Jet Race Car, this intake manifold is one of the most popular modifications for the 5.0 L. Valve Covers, 428 Ford Super Cobra Jet ''Snake'' die cast reproductions. $259.95. Add To Cart. Valve Covers, chrome, Powered By Ford 390 GT/428 Cobra Jet. $164.95. Add To Cart. Valve Covers, 427 Pent-Roof for 390-428 engines, with staggered breather holes and no emblems. $150.0 1971 Mustang Engine Information - 428 cubic inch V-8 (7.0 L Super Cobra Jet V8) Ford 429 Super Cobra Jet. The Boss 429 engine was offered late in 1969 and was rated at over 370 horsepower. It had aluminum heads with extremely large free flowing ports, contoured exhaust manifolds, a high rise intake manifold to help it gain horses
Big Block Ford 545/557 Stroker Short Block, Ford 460 Block, Eagle 4340 Forged Steel 4.500 Forged Steel Crankshaft, Eagle 6.700 H Beam Rods with ARP Bolts, JE 13.9:1 Pistons to fit Super Cobra Jet Cylinder Heads, Balanced Assembly, Re-Aligned Cam Tunnel, Short block Assembled and Blue-printed. Buy in monthly payments with Affirm on orders over $50 The Super Cobra Jet was rated for 375 bhp while the 429 Cobra Jet was rated at 370 bhp. 1970 was the final year for the Shelby Cobra's. A total of 40,970 Mach 1's were produced, 7,643 convertibles, 13,581 Grande Hardtop Coupes, 6,318 Boss 302's and 498 Boss 429s information to those who wish to build big block ford 429/460 engines. The BBF engines are severely exhaust compromised and as such this site outlines how. to remedy this situation; by either porting or the use of available aftermarket cylinder. heads. With time, financial support and need, the scope of this site will broaden The Clevelands are part of Fords 335 Series of Engines and with modern aftermarket parts support of alloy heads and blocks, 400 + cubic inch stroker Clevelands are producing over 900 horsepower in naturally aspirated trim. The big block option for 1971 Mustangs was the 429 Cobra Jet (CJ) and Super Cobra Jet (SCJ) Engines The cylinder heads shown are loaded with unique features which make them ideal for the serious racer or enthusiast. Whether you are seeking a modern chamber and port design for the famed FE engine, or a maximum effort racing head for your Ford small block or 460 based big block - - these castings are the ultimate place to start out