LS3 PowerPak F/T Piston 4.065 Bore -4cc - 930227765 - Mahle Motorsport

Piston and Ring - PowerPak - Forged - Flat Top - 4.065 in Bore - 1.330 in Compression Height - 1.0 x 1.0 x 2.0 mm Ring Groove - Minus 4.00 cc - GM LS-Series - Kit