SBC 604 Crate Piston Set 4.005 Bore - 930127805

Piston - Flat Top - Forged - Flat Top - 4.005 in Bore - 1.559 in Compression Height - 2.0 x 1.5 x 4.0 mm Ring Grooves - Minus 4.90 cc - Small Block Chevy - Set of 8