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JE Pistons SUBARU STI EJ257 99.5mm Bore CR 8.5 KIT Set of 4 Pistons 291061

Retail Price:

$525.25

Price Match

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

 

Description
JE Time Attack FSR Pistons; For Turbo and Nitrous Aps; Set of 4 Pistons; Included RingSet: JC3104-3917
Oversized
STD
Gram Weight
407
Head CC
57.0
Rod
130.5mm
Comp Ratio
8.5:1
Skirt Type
Full Round
Stroke
79mm
Bore
99.5mm
C/D
30.7mm
Dome CC
-16.5
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