The top engine builders in NASCAR, ALMS, NHRA, AMA Supercross and other racing organizations choose JE Pistons over any other brand. Why? JE Pistons is always researching, developing, and extensively testingunique materials and piston designs. Those designs are CNC-machined into pistons that meet exacting tolerances within millionths of an inch. That's why JE is the only performance piston manufacturer to earn a QS-9000 certification! When you install JE Pistons, rings, and wrist pins under your hood, you know you're on the leading edge of engine technology.

Additional Information: JE Shelf Pistons w/pins, rings and locks (Mitsubishi 4G63T - Evo VIII/IX, 85.0mm Bore, 10.0:1)