LS FT PowerPak Piston Set 4.030 Bore -5.8cc

Piston and Ring - PowerPak - Forged - Flat Top - 4.030 in Bore - 1.110 in Compression Height - 1.0 x 1.0 x 2.0 mm Ring Grooves - Minus 5.8 cc - GM LS-Series - Kit