Mahle Motorsport LS7 FT PowerPak Piston Set 4.135 Bore +2.5cc

Piston and Ring - LS7 Flat Top PowerPak - Forged - 4.135 in Bore - 1.0 x 1.0 x 2.0 mm Ring Groove - Plus 2.50 cc - GM LS-Series - Kit