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: 279930
Notes: JE Pistons; Set of 4 Pistons; Recommended RingSet: JG1004-3250
Manufacturer: JE Pistons
Bore: 82.5mm
Oversized: STD mm
C/D: 1.165mm
Skirt Type: Full Round
Dome CC: -11.5
Rod: 144mm
Stroke: 92.8mm
Gram Weight: 290
Comp Ratio: 8.5:1
Head CC: 45