The Manley Platinum Series 37cc dish piston set for BMW N55/S55 with an 84.50mm bore and -10.5cc specifies a direct-fit forged piston solution for those engine applications. It combines strength and precise tolerances for street or track builds. Manufactured from 2618 alloy forgings with proven cam-and-barrel skirt profiles, tool steel wrist pins, and exacting ring lands and grooves, the set includes moly skirt coatings on select SKUs to improve cylinder compatibility and ring seal.
Manley BMW N55/S55 37cc Platinum Series Dish Piston Set - 84.5mm Bore