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

Classic Big Mutha Thumpr™ 227/241 Hydraulic Flat Cam Buick 364, 401, 425 Nailhead. Street/strip needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.
SKU
91-602-5
$299.49