GM LS F/T Piston & Ring Kit 4.010 Bore -3.2cc - K398X1

Piston and Ring - Professional Series - Forged - Flat Top - 4.010 in Bore - 1.304 in Compression Height - 1.2 x 1.2 x 3.0 mm Ring Grooves - Minus 3.20 cc - GM LS-Series - Kit