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The JE Pistons six-piece kit for BMW S50B30USA engines supplies a matched set of pistons tailored for stable, high-load operation. Forged from 2618 aluminum with JE’s Forged Side Relief design, the pistons reduce skirt friction and save weight without sacrificing strength. Application-dependent accumulator grooves and skirt coatings enhance ring sealing and lower wear. The complete kit ships with wrist pins, locks and JE Pro Seal rings and is made in the USA.
JE Pistons BMW S50B30US 9:1 KIT Set of 6 Pistons
