DIAMOND RACING PRODUCTS LSX FT Piston Set 4.125 Bore -4.8cc 12-Degree 21565-RS-8

DIAMOND RACING PRODUCTS Piston - LSX 12 - Forged - 4.125 in Bore - 1.5 x 1.5 x 3.0 mm Ring Grooves - Minus 4.80 cc - GM LS-Series - Set of 8.