BULLET PISTONS BBC Dome Piston Set w/Rings 4.280 Bore BBC5110-030-SET

Piston and Ring - Forged - Dome - 4.280 in Bore - 1.275 in Compression Height - 1/16 x 1/16 x 3/16 in Ring Grooves - Plus 24.30 cc - Big Block Chevy - Kit