The JE Pistons six-piece kit for BMW S52B32 USA engines supplies a matched set of pistons created for performance-focused BMW builds. Using JE’s FSR forging and 2618 aluminum, the pistons reduce skirt width and friction while maintaining strength. Application-specific accumulator grooves and skirt coatings help control ring flutter and wear. The set includes wrist pins, locks and JE Pro Seal rings and is forged and machined in the USA.
JE Pistons BMW S52B32US 12.5KIT Set of 6 Pistons