GM LS7 Dished Piston Set 4.130 Bore -20.9cc

GM LS7 Dished Piston Set 4.130 Bore -20.9cc Piston - AutoTec - Forged - Dished - 4.130 in Bore - 1.5 x 1.5 x 3.0 mm Ring Grooves - Minus 20.90 cc - GM LS-Series - Set of 8