JE Piston Kit 4B11 Stock Bore -6.2CC Dome 86.50mm Bore

Description:
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. Complete set of 4 pistons, rings and pins.

-Crown requires no deburring or preparation
-2618 T6 high tensile forged aluminum
-NEW ASYMMETRICAL FSR forging (Oil squirter modification needed for Asymmetrical FSR. Squirter can be bent or locating pin removed for clearance. Please make sure to check Rod to Oil Squirter clearance when relocating oil squirter.)
-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 .905 x 2.250 straight wall carbon steel wrist pin provided.
-Pin fitting, rings and wire locks included

Features:
Bore Size 86.50mm
Dome CC -6.2
Stroke 86mm
Compression ratio 9:1

Applications:
2008-2015 Lancer Evolution