JE 321241L Piston Single Extreme Duty FSR (3.898 in. Bore, 1.315 in. CH, -19.90 CC) for GM LS1 Engine ymm_46 LikeWater® provides the least viscosity

LikeWater® provides the least viscosity change of any suspension fluid on the market

Supports comfort in low-temperature conditions

Autotech's HPFP Kit can achieve flow rates ~50% higher than the original pump

Replaces damaged

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

JE 321241L Piston Single Extreme Duty FSR (3.898 in. Bore, 1.315 in. CH, -19.90 CC) for GM LS1 Engine ymm_46 LikeWater® provides the least viscosityDescription 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