RACE TEC PISTONS GM LS7 Dished Piston Set 4.130 Bore -20.9cc RTP1000753

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 Brand-RACE TEC PISTONS MPN 1000753 . **NOTE: 4.000 Stroke 6.125 Rod 1.115 CH AutoTec Series Truck Freight NO