Duramax PowerPak Piston Set 4.055 Bore 6.6L LP5 - 197987855

Piston and Ring - PowerPak - Cast - Dish - 4.055 in Bore - 2.122 in Compression Height - 3 x 2 x 3.0 mm Ring Grooves - Minus 40.6 cc - GM Duramax - Kit