JE Pistons & Rings 86 Bore 100mm Stroke 8.5:1 Comp 1993-1999 Mitsubishi Eclipse / Talon 4G63 ASYMMETRICAL FSR


JE Pistons MITSU 4G63T STRK KIT Set of 4 Pistons


JE designs are specifically engineered for extreme applications up to, and including, professional competition. In this environment, the higher compression ratios, highest boost or heavy nitrous usage necessitate the higher tensile strength 2618 aluminum alloy.



Crown requires no deburring or preparation

2618 T6 high tensile forged aluminum

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).

In this environment, higher boost levels or heavy nitrous usage necessitate JE’s wrought 2618 alloy.

FSR pistons include offset pins for quiet operation.

Dished pistons feature new Smooth Finished Crown process for excellent flame travel.

1.0 x 1.2 x 2.8mm ring widths

.866 x 2.250 straight wall carbon steel wrist pin provided.

Pin fitting and wire locks included

Part numbers 289311, 289312 and 289313 are excellent for E85 fueled engines (Skirt Style R)

Will not fit 1999-2007 Mitsubishi Evolution engines

SKU: 297507

Vendor: JE Pistons

Additional information

SKU 297507
Carb Compliance Yes
Prop 65 Unknown
EPA Approved N/A
Weight 4.46 lbs
Dimensions 10 × 5 × 5 in