Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.
Big Mutha' Thumpr 243/257 Hydraulic Roller GK-Kit for Chevrolet Big Block 396-454. Street/strip, needs 9.5:1 compression, 2800+ stall, intake, Gears, and headers, very rough idle.
