JE 321241L Piston Single Extreme Duty FSR (3.898 in. Bore, 1.315 in. CH, -19.90 CC) for GM LS1 Engine ymm_46 Two 22mm Stacked Cores =

Two 22mm Stacked Cores = 44mm Core Thickness vs

ECE type approval is only valid for cars equipped with otto/gasoline particulate filter

Rear 5 or (6/7/8)

9L 12V 1990-98

JE 321241L Piston Single Extreme Duty FSR (3.898 in. Bore, 1.315 in. CH, -19.90 CC) for GM LS1 Engine ymm_46 Two 22mm Stacked Cores =Description JE 321241L Piston Single Extreme Duty FSR (3. 898 in. Bore, 1. 315 in. CH, 19. 90 CC) for GM LS1 Engine JE Pistons applies over 75 years of experience to its range of premium forged racing pistons for European, import, and sport compact applications. Engineered, forged, and machined 100% in the USA, these pistons are Designed for each specific engine and racing application to provide durability and performance. Forged from 4032 aluminum