LS PowerPak Piston Set 4.005 Bore -5..8cc - 930227705

Piston and Ring - PowerPak - Forged - Flat Top - 4.005 in Bore - 1.330 in Compression Height - 1.0 x 1.0 x 2.0 mm Ring Grooves - Minus 5.80 cc - GM LS-Series - Kit