JE Pistons & Rings 85 Bore 88mm Stroke 8.5:1 Comp 1999-2007 Mitsubishi EVO VI - IX / 4G63 22MM PIN - ASYMMETRICAL FSR QuantityLimit Part #: SU254

Part #: SU254

4 top rings

Competition Clutch recommends a minimum 300 mile break-in for best performance with this set-up

a special process developed to increase spring life by more than 200%

JE Pistons & Rings 85 Bore 88mm Stroke 8.5:1 Comp 1999-2007 Mitsubishi EVO VI - IX / 4G63 22MM PIN - ASYMMETRICAL FSR QuantityLimit Part #: SU254Part #: 297050 NEW ASYMMETRICAL FSR forging! State of the art asymmetrical skirt technology reduces friction and mass while providing a more rigid and durable platform (Skirt Style F). Fitment: MITSUBISHI 1999 2007 EVOLUTION VI IX 4G63 22MM PIN NEW ASYMMETRICAL FSR Features: Crown requires no deburring or preparation 2618 T6 high tensile forged aluminum In this environment, higher boost levels or heavy nitrous usage necessitate JE's wrought 2618