SBC FT PowerPak Piston Set 4.000 Bore GM 602 - 930203900 - Mahle Motorsport

Piston and Ring - PowerPak - Flat Top - 4.000 in Bore - 1.559 in Compression Height - 1.5 x 1.5 x 3.0 mm Ring Grooves - Minus 10.80 cc - Small Block Chevy - Kit