JE Pistons

314339

JE Pistons (314339) Piston, Set of 4

Pistons

For Subaru

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: 99.5 Deck Clearance is 0 Compression is calculated with .054 in. Head Gasket Bore: 99.75 Oversize: .25 Stroke: 79 Rod: 131.3 C/D: 30.3 Head CCs: 46 C/R With .040: 11.5 Dome CCs: -1.3 Accepts Nitrous Made to Order Skirt: R Ring Set#: JC4404-3928

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