GM LS Series Piston Set 4.070 Bore -3.2cc

GM LS Series Piston Set 4.070 Bore -3.2cc Piston and Ring - LS Standard Stroke - Forged - 4.070 in Bore - 1.2 x 1.2 x 3.0 mm Ring Groove - Minus 3.20 cc - GM LS-Series - Kit