JE Pistons Piston Single, 2618, Inv Dome/Dish, 4.130 Bore, 1.115 CD, 0.927 Pin, Set of 1. 311918L

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.