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This JE Pistons forged piston kit is built for the BMW S50B30 with 86mm bore and an 11.5:1 compression ratio, supplied as a set of six. JE’s pistons are forged in 2618 aluminum in the USA and include application-specific design features such as forged side reliefs, accumulator grooves where applicable, skirt coatings and high-quality wrist pins, locks and JE Pro Seal rings to meet demanding racing and high-load engine use.
JE Pistons BMW S50B30 86mm Bore 11.5:1 Comp Ratio - Set of 6
