LS FT Piston Set 3.790 Bore -4.2cc

LS FT Piston Set 3.790 Bore -4.2cc Piston and Ring - Red Series - 3.790 in Bore - 1.0 x 1.2 x 2.8 mm Ring Grooves - Flat Top - Minus 4.20 cc - GM LS-Series - Kit