LS3 PowerPak F/T Piston 4.075 Bore - 930227775

Piston and Ring - PowerPak - Forged - Flat Top - 4.075 in Bore - 1.330 in Compression Height - 1.0 x 1.0 x 2.0 mm Ring Groove - Minus 5.8 cc - GM LS-Series - Kit