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