JE Pistons

297173

JE Pistons (297173) 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 22mm pin Bore 87.0mm Stroke 89.6mm Rod Length 135mm Compression Ratio 11.5:1 Dish -9.9cc Grams TBA Set of 6

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