Piston - Forged - 4.610 in Bore - 0.043 x 0.064 x 0.218 in Ring Grooves - Plus 44.0 cc - Big Block Chevy - Set of 8

Piston and Ring - Forged - 4.280 in Bore - 1/16 x 1/16 x 3/16 in Ring Grooves - Plus 24.30 cc - Big Block Chevy - Kit

Piston and Ring - PowerPak - Forged - 4.500 in Bore - 1.5 x 1.5 x 3.0 mm Ring Grooves - Plus 13.00 cc - Big Block Chevy - Kit

Piston and Ring - PowerPak - Forged - 4.500 in Bore - 1.5 x 1.5 x 3.0 mm Ring Grooves - Plus 38.00 cc - Big Block Chevy - Kit

Piston and Ring - PowerPak - Dome - 4.600 in Bore - 1.5 x 1.5 x 3.0 mm Ring Grooves - Plus 10.00 cc - Big Block Chevy - Kit

Piston and Ring - Dome - Forged - 4.280 in Bore - 1/16 x 1/16 x 3/16 in Ring Grooves - Plus 21.00 cc - Big Block Chevy - Kit