JE Pistons

289076

JE Pistons (289076) Piston, Set of 6

Pins

For BMW

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 Bore: 86.5mm Stroke: 91.0mm Rod: 139mm Compression Height: 32.3mm Head Combustion Chamber: 34cc Crown Volume: -9.6mm Compression Ratio: 11.5:1 with .069 Alloy: 2618 T6 high tensile forged aluminum Skirt: Full Round Skirt Rings: 1.0 x 1.2 x 2.8mm rings included (JG1004-3405) Pins: .827 x 2.250 straight wall carbon steel wrist pin provided Application Note: Accepts Nitrous Made To Order

Wilwood 160-0483 1.25 X 11.75 X 7.0 8 Bolt Rotor for Straight Vane
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Mix me 2571