Piston - PowerPak - Dish - 4.125 in Bore - 1.245 in Compression Height - 1.0 x 1.0 x 3.0 mm Ring Grooves - Minus 26.00 cc - Aluminum - Small Block Ford - 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