BBC FT Power-Pak Piston Set 4.280 Bore -3.4cc

BBC FT Power-Pak Piston Set 4.280 Bore -3.4cc Piston and Ring - PowerPak - Forged - 4.280 in Bore - 1.5 x 1.5 x 3.0 mm Ring Grooves - Minus 3.40 cc - Big Block Chevy - Kit