J361292 - JE PISTONS ULTRA FITS MITSUBISHI 4G63 2001-07 EVO 86.0mm -13.9cc SET

JE Pistons, Mitsubishi 2001-07 Evolution VII-IX/4G63 22mm pin,

Bore 86.0mm, Stroke 100mm, Rod Length 150mm, Dish -13.9cc, Set of 4

JE Pistons are machined by the most advanced CNC machining technologies available. JE forged Pistons are trusted by racers and engine builds for dependability. JE Pistons are compatible with boost and nitrous.

·        Crown requires no deburring or preparation

·        2618 T6 high tensile forged aluminium

·        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

Compression Ratio:

·        10.0:1

Piston Type Dish/Inverted Dome

Compression Height 28.70mm

Piston Material 2618 Forged

Piston Ring Size 1.0 1.2 2.8mm

Wrist Pin Size 0.866