Description
The Boss 429 was offered for the 1969 and 1970 model years in order to homologate the 429 engine for use in NASCAR. Production was completed by Kar Kraft of Brighton, Michigan, and each example was given a serialized number. This example was assigned serial number KK1401 and is said to have been repainted in its factory Wimbledon White (M) during the 1995 refurbishment. Features include chrome bumpers, a hood scoop, front spoiler, Boss 429 badging on the…
The Boss 429 was offered for the 1969 and 1970 model years in order to homologate the 429 engine for use in NASCAR. Production was completed by Kar Kraft of Brighton, Michigan, and each example was given a serialized number. This example was assigned serial number KK1401 and is said to have been repainted in its factory Wimbledon White (M) during the 1995 refurbishment. Features include chrome bumpers, a hood scoop, front spoiler, Boss 429 badging on the fenders, body-color sport mirrors, quarter panel scoops, reverse lights, and a dual-outlet exhaust that exits below the rear bumper.
The 15″ Magnum 500 wheels are mounted with raised-letter Goodyear Polyglas GT F60-15 tires. The Boss 429 model was equipped with revised control arms, a higher-rate front anti-roll bar than other Mustang variants, a rear anti-roll bar, and staggered rear shock absorbers. Power-assisted brakes with discs up front and drums out back were standard on the 429, with the front brakes reinforced with heavy-duty hubs and rotors as well as oversized spindles. Power-assisted steering was also equipped from the factory.
The cabin features high-back bucket seats trimmed in black Clarion Knit vinyl along with a matching rear bench, color-keyed carpets, and simulated woodgrain appliqués on the dash, console, and deluxe door panels. The car was optioned with the Interior Decor Group–Deluxe and Visibility Group packages, and it features a Philco AM radio, a dash-mounted rally clock, deluxe seat belts, and courtesy lights for the glovebox, ashtray, trunk, and other areas. Mustang-branded floor mats are also fitted.
The woodgrain-rimmed steering wheel frames a 120-mph speedometer, an 8k-rpm tachometer, and gauges for coolant temperature and fuel level. Controls for the choke and hood scoop are located on a steel bracket mounted above the accelerator pedal on the lower dash area. The five-digit odometer shows 34k miles, approximately 350 of which were added under the seller’s ownership. Total mileage is unknown.
The replacement 429ci V8 is said to have been built by Holman-Moody and was installed under previous ownership. A Holley 870-cfm carburetor is also fitted. An oil change was performed in 2022.
Power is sent to the rear wheels through a four-speed close-ratio manual transmission and a 3.91 Traction-Lok rear axle.
The Elite Marti report lists factory colors and equipment as well as a February 21, 1969, build date. The factory invoice and build sheet can be seen in the gallery along with a copy of the original dealer invoice. The car is fitted with a replacement door tag, and both the new and removed plates are shown in the gallery.
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