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The Boss 429 is arguably one of the rarest and most valued muscle cars to date. In 1969 there were only 859 Boss 429s made. This is the 399th Boss 429 Mustang built by Ford and modified by Kar Kraft .It is powered by the 429/375 HP engine with aluminum 'crescent' heads, a 4-speed transmission and 3.91 rear axle with Traction-Lok. Other equipment and options include power front disc brakes, power steering, competition suspension, trunk mounted battery, manual controlled hood scoop and front spoiler. Painted in Royal Maroon with a Black deluxe interior. This rare Mustang is immaculate and comes with copy of the original sticker and a Marti Report.
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The origin of the Boss 429 comes about as a result of NASCAR. Ford was seeking to develop an engine that could compete with the famed 426 Hemi from Chrysler in NASCAR's Sprint Cup Series. NASCAR's homologation rules required that at least 500 cars be fitted with this motor and sold to the general public. For image reasons, it was decided by Ford that the Mustang would be the car that would house this new engine.
The Boss 429 engine was based on a strengthened version of the production 429. It has four bolt mains, a forged steel crank and forged steel connecting rods. The most noticeable feature of this engine is its aluminum cylinder heads which featured a modified Hemi type combustion chamber which Ford called ‘crescent’. These heads were 'dry-deck', meaning no head gaskets were used. Each cylinder, oil passage and water passage had an individual ‘O’ ring to seal it. The Boss 429 used a single Holley four-barrel carburetor rated at 735 CFM mounted on an aluminum intake manifold. 1969 versions used a hydraulic lifter camshaft.
The Mustang's body was not wide enough for the massive Boss 429 engine and as a result, Ford hired Kar Kraft out of Dearborn, Michigan to modify existing 428 Cobra Jet Mach 1 Mustangs to properly fit the new Boss 429 engine. Production on the Boss 429 began in 1968 in Brighton, Michigan at Kar-Kraft's factory. The cars were transported directly from the Ford plant and the work began. Kar Kraft made extensive modifications to the Mustang, including widening the shock towers and extended out the inner fenders to allow this massive engine to fit. The mounts for the front suspension were chopped and displaced to create room for the block and exhaust manifolds. The battery was repositioned to the trunk and a stiff sway bar was added to rear end. In addition, a hole was cut in the hood and a manual controlled hood scoop was added . These cars were rated conservatively at 375 hp and 450 lb•ft of torque. Actual output was well over 500 horsepower. The manufacturers and dealers only listed 375 hp because of legal issues and rising insurance costs. Each vehicle was hand assembled and assigned a KK 429 NASCAR production number starting with KK-1201 running through KK-2558.
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Other Mustangs in our Showroom | 1965 - $12,900
1965 Mustang V-8 289cu.in. Automatic Arizona Rust Free Body Complete body restoration (just completed). GT Package added. Comes with Trumpet Exhaust, New Wheels & Tires. Nice Interior.
|  | 1965 - $19,900
This is a very desirable Mustang with lots of curb appeal. Engine is a 289 cid. C Code car with 4 speed manual transmission. Factory Style Steel Wheels w/ new redline radials. The exterior is finished in original 'F'color code Arcadian Blue with black vinyl interior. The body is straight and the finish is very good on this car. Not many 4 speed convertibles around!
|  | 1966 - $13,900
Very clean Mustang coupe with an A Code 289 4 Barrel, Automatic Transmission, Power Steering and Flowmaster Exhaust. Very clean Mustang Pony Interior with Wood Trim Steering Wheel and Console. 205-70/R-14 tires are mounted on Styled Steel Wheels and a spare tire with jack is included. This local car was previously owned by a jet mechanic who maintained this car. If a fighter pilot trusts his work, you probably can too!
|  | 1967 - $79,900
Don't miss this head turning 1967 Shelby Mustang GT500 Eleanor Replica convertible. The car was built at a cost of over $120,000 as a 60th birthday present. It is an original S-Code 390 big block car upgraded to a 428/400HP with aluminum heads, Edelbrock Performer RPM intake, Holley carb, automatic transmission and side exit exhaust. Equipped with air conditioning, power steering, power disc brakes. All Eleanor upgrades are installed along with leather interior, AM/FM/Cassette with CD changer, amp with JL subwoofers in trunk, roll bar and gray soft top. Great sound and performance to match. A professionally built combination of one of the most desirable big block Mustangs with the ultimate performance and appearance package!
|  | 1968 - $112,900
One of only 993 GT500KRs built and among the most desirable muscle cars in the world, this 428 CJ powered 1968 Shelby GT500KR Ram Air 4-speed has been beautifully restored in its original color scheme of Wimbledon White and Guardsman Blue stripes. Built on June 6, 1968, it is well-optioned with the GT Equipment Group that was part of the GT500 package. Included are power disc brakes, power steering, tilt column, original AM radio and the deluxe Decor interior. Rare optional 10-spoke Shelby wheels exclusive to the 1968 model year nicely complete the appearance of this great car, also comes with a detailed Marti Report. This is an outstanding Wimbledon White Shelby GT500KR.
|  | 1968 - $229,000
1968 Shelby GT500 KR Convertible- 428 Cobra Jet. 2 Owner Car- we have copies of all previous titles! Rotisserie Restoration on a 24,000 actual mile car! Titles indicate that this was a Ford Motor Company Brass Hat Car. Titled to Ford Motor Company of Carrolton Texas until June of 1969. First owner took possession on 6/30/1969 in Lawton Oklahoma. The 2nd owner purchased car in October 1990 and brought the car to Kansas City. One of Only 33 KR Convertibles with Air and 4 speed. Marti Report- Car is listed in the Shelby Registry and comes with original build sheet.
|  | 1970 - $36,900
If you are looking for an outstanding Mach I for cruising or showing, this is the car for you. Painted in eye catching Bright Yellow this Fastback body has all of the Mach I visual and performance enhancing items including Matte Black hood with Hood Pins, Chrome Gas Cap, Magnum 500 Wheels, Chrome Exhaust Tips, Shaker Hood, Chin and Rear Deck Spoilers, and Rear Window Louvers. It also is equipped with a 351 V8, 4 Speed transmission, Power Steering, Power Brakes, Air Conditioning and AM/8-track Radio. The interior features wood grain dash, high back bucket seats, console and floor mats. Also comes with Marti report. This car drives and sounds as good as it looks.
|  | 1970 - $52,900
1970 Boss 302 from Tran Am Racing to the showroom - The Legendary Boss 302 Built for Fun. This beautiful Grabber Yellow car is Documented with Marti Report and Original Dealer Invoice. The car has a Jack Roush Built Boss Motor for Sneathen Engineering. This car also has a Factory Tach, Power Disc Brakes, 4 speed, Fold Down Rear Seat and Shaker Hood. You won't find a better car.
|  | 1970 - $49,900
The Boss 302 Mustang was a high performance variant produced in 1969 and 1970 for the Trans Am racing series. A total of 7,013 were built in 1970. This 'G' code Boss, in Grabber Green, is an original car with one repaint and correct 302/290 HP V8. Transmission is 4-speed with power steering, power disc brakes and Ford 15x7 Magnum style wheels. Included is the original window sticker, owners manual, build sheet and Deluxe Marti report.
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