JE Pistons LS ASYM FT Set of 8 Pistons - 4.075 Bore -5cc Dome Volume 0.927 Pin Diameter

JE Pistons asymmetrical FSR (Forged Side Relief) piston line incorporates modern forging design with a larger skirt on the major thrust side and smaller, friction-reducing skirt on the minor thrust side. Combined with precision CNC machining, the result is a high-strength, lightweight piston that is extremely durable.