GM LS Dished Piston Set 4.010 Bore -20cc

GM LS Dished Piston Set 4.010 Bore -20cc Piston - AutoTec - Forged - Dished - 4.010 in Bore - 1.5 x 1.5 x 3.0 mm Ring Grooves - Minus 20.00 cc - GM LS-Series - Set of 8