WISECO GM LS Series Piston Set 4.030 Bore -3.2cc K398X3

Piston and Ring - LS Standard Stroke - Forged - Flat Top - 4.030 in Bore - 1.304 in Compression Height - 1.2 x 1.2 x 3.0 mm Ring Groove - Minus 3.20 cc - GM LS-Series - Kit