GM LS FT Piston Set 4.005 Bore -3.2cc - K398X05 - Wiseco

Piston and Ring - Professional Series - Forged - Flat Top - 4.005 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