JE Pistons

312407

JE Pistons (312407) Piston, Set of 4

Forged

For Cosworth

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: 90.8 Bore: 91 Oversize: .20 Stroke: 77 Rod: 128.5 C/D: 40.75 Head CCs: 45 C/R With .040: 8.0:1 Dome CCs: -20 Gram: 408 Accepts Turbo and Nitrous Made to Order Skirt: R Ring Set#: JG1004-3583

Roof Assembly : AUDI A4 98 Sdn, w/sunroof (sliding)
SINOCMP Excavator Pressure YN52S00076F1 SK250 6E
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