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The JE Pistons six-piston kit for BMW S50B30USA engines is an engine-specific replacement set built for dependable, high-revving use. JE’s FSR forging and 2618 aluminum construction reduce skirt drag and provide needed tensile strength. Where specified, accumulator grooves and skirt coatings improve ring seal and reduce wear. The kit includes wrist pins, locks and JE Pro Seal piston rings, fully manufactured in the USA.
JE Pistons BMW S50B30US 9:1 KIT Set of 6 Pistons
