The numbers-matching 402ci L34 V8 was factory rated to make 350 horsepower with a four-barrel carburetor; Chevrolet marketed this engine as a 396ci V8.Modifications include an MSD distributor and ignition coil, tubular headers, and an aftermarket dual exhaust system.Power is sent to the rear wheels through a Muncie M-21 four-speed manual transmission and a 12-bolt Positraction rear end with 3.73:1 gears.The five-digit odometer indicates 4k miles, which reflects distance accumulated since replacement of the gauges.Actual chassis mileage is unknown.