Piston - Power Pak - Forged - Flat Top - 4.155 in Bore - 1.125 in Compression Height - 1.0 mm x 1.0 mm x 2.0 mm Ring Grooves - Minus 9.00 cc - Small Block Chevy - Kit
Piston and Ring - PowerPak - Dome - Forged - Dish - 4.155 in Bore - 1.425 in Compression Height - 1.0 x 1.0 x 2.0 mm Ring Grooves - Minus 20.00 cc - Small Block Chevy - Kit