GM LT Gen-5 PowerPak Piston Set 4.070 Bore - 930228770

Piston and Ring - PowerPak - Flat Top - 4.070 in Bore - 1.304 in Compression Height - 1.0 x 1.0 x 2.0 mm Ring Grooves - Minus 4.50 cc - GM GenV LT-Series - Kit