JE Pistons

315118

JE Pistons (315118) Piston, Set of 4

Forged

2012-2013 > Subaru > BRZ > FA20/4U-GSE
** NOTE : PRODUCT IMAGE MAY NOT BE VEHICLE SPECIFIC

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 Std Bore: 86mm Bore: 86.5 Oversize: .5 Stroke: 86 Rod: 129.3 C/D: 32.75 Head CCs: 39 C/R With .040: 10.5:1 Dome CCs: -10.7 Accepts Turbo and Nitrous Skirt: FSR Ring Set#: JG1004-3405

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