Je Pistons 99.75mm Bore Cr 8.5 +.25mm Kit for 2004-12 Subaru WRX/STI

  • $821.78
    Unit price per 


JE Pistons - Sport Compact: 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

Part Number: 296352
Notes: JE Time Attack FSR Pistons; For Turbo and Nitrous  Set of 4 Pistons; Included RingSet: JC4404-3928
Gram Weight : 399
Head CC: 57.0
Skirt Type: Full Round
Bore: 99.75mm
Comp Ratio: 8.5:1
Dome CC: -21.1
Stroke: 83mm
C/D: 28.7mm
Rod: 130.5mm
Oversized: 0.25

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