Classic Mutha' Thumpr 227/241 Hydraulic Flat Cam Buick 364, 401, 425 Nailhead

Classic Mutha' Thumpr™ 227/241 Hydraulic Flat Cam Buick 364, 401, 425 Nailhead. Street/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, very rough idle.
SKU
91-601-5
$299.49