Seller notes

Part #: 310889 Bore: 90.5mm Compression: 11.0 Dome/Dish requires no deburring or preparation 2618 T6 high tensile forged aluminum JE designs are specifically engineered for extreme applications up to, and including, professional competition. In this environment, the higher compression ratios, highest boost or heavy nitrous usage necessitate the higher tensile strength 2618 aluminum alloy. Dome and dishes feature smooth flowing radii for excellent flame travel. 1.0 x 1.2 x 2.8mm ring widths. .866...

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