Piston and Ring - PowerPak - Forged - 4.155 in Bore - 1.0 x 1.0 x 2.0 mm Ring Grooves - Plus 9.00 cc - Small Block Chevy - Kit

Piston and Ring - Professional Series - Forged - 4.125 in Bore - 1.2 x 1.5 x 3.0 mm Ring Groove - Plus 4.00 cc - Small Block Chevy - Kit

Piston - Premium Forged - 4.125 in Bore - 1.5 x 1.5 x 3.0 mm Ring Grooves - Plus 7.8 cc - Small Block Chevy - Set of 8

Piston - KB Series - Hypereutectic - 3.935 in Bore - 5/64 x 5/64 x 3/16 in Ring Grooves - Plus 4.00 cc - Small Block Chevy - Set of 8

Piston - 4.000 in Bore - 1/16 x 1/16 x 3/16 in Ring Grooves - Plus 13.50 cc - Small Block Chevy - Set of 8

Piston - Claimer Series - Hypereutectic - 4.000 in Bore - 5/64 x 5/64 x 3/16 in Ring Grooves - Plus 4.0 cc - Small Block Chevy - Set of 8