SBC PowerPak F/T Piston Set 4.040 Bore - 930203640

Piston and Ring - PowerPak F/T - Forged - Flat Top - 4.040 in Bore - 1.550 in Compression Height - 1.0 x 1.0 x 2.0 mm Ring Grooves - Minus 5.00 cc - Small Block Chevy - Kit