Boss 429 Mustang

Mustang Boss 429
1969 Boss 429
Overview
ManufacturerFord
Production1969–1970
AssemblyDearborn, Michigan
Body and chassis
ClassMuscle car/Pony car
Body style2-door coupe
LayoutLongitudinal engine mounted
Front-engine, rear-wheel-drive layout
Powertrain
Engine429 cu in (7.0 L) "Boss 429" V8
Transmission4-speed manual
Dimensions
Length187.4 in (4,760 mm)
Width71.7 in (1,821 mm)
Height50.4 in (1,280 mm)
Curb weight3,870 lb (1,755 kg)

The Boss 429 Mustang is a high-performance Ford Mustang variant that was offered by Ford in 1969 and 1970. It featured a race-designed 429 cu in (7.0 L) semi-hemispherical head version of the big block 429 V8, offered in the car both to homologate the engine for NASCAR racing and to offer a bigger, more-powerful version of the popular small block 5 L Boss 302 Mustang.

The price of all the performance and modifications was steep: at nearly $5,000 a Boss 429 was roughly twice the price of the base model inline-6 Mustang. A total of 1,359 Boss 429s were produced.