JE Pistons - Subaru Impreza YR: 2002-2008 [PN# 291060] SUB WRX HD/STI KIT

Complete Set of Pistons
Bore : 100mm
C/D : 30.7mm
Comp Ratio : 8.5:1
Dome CC : -26.1
Gram Weight : 423
Head CC : 48
Oversized : 0.5mm
Rod : 130.5mm
Skirt Type : Full Round
Stroke : 79mm
For EJ257 Block w/EJ20 Head
JE Pistons
For Turbo and Nitrous Aps
Set of 4 Pistons
Recommended RingSet: JC4404-3938
Engine :-
Aspiration :- ALL
Vehicle Engine Options :- ALL
Vehicle Interior Options :- ALL Aspiration: ALL
Vehicle Exterior Options :- Fuel: ALL-ALL
Cylinder Type :-
Vehicle Options :- Bore100mm - C/D30.7mm - Comp Ratio8.5:1 - Dome CC-
JE Pistons are specifically engineered for extreme applications up to. and including. professional competition. In this environment. higher compression ratios. extreme boost levels and heavy nitrous usage necessitate the higher tensile strength 2618 aluminum alloy found in every JE Piston.
*Application Specific Forgings for an Optimized. Uniform Crown Thickness
*Contact Reduction Groove to Minimize Frictional Drag
*Accumulator Groove for Increased Top Ring Stability and Sealing
*CNC-Machined Side Relief with Lower Support Band for Additional Skirt Strength
*Honed Pin Bores. Double Pressure Fed Pin Oilers and Wire Locks Included
*JE ProSeal Piston Rings are included with your JE Pistons
JE Pistons are sold as matched sets.
*Custom Applications are also Available