BMW M3 E9x ACL Performance Main Bearings

Manufactured in Australia from a tri-metal tin, copper and steel, this kit of 5 pairs of ACL Performance Race Series main bearings fit without modification on the crankshaft of the S50 / S52 / S54 engines fitted to the BMW M3 E9x. Available in OEM thickness (Std) or 0.25" thicker (+0.25") to compensate the machining of a revised crankshaft, this complete kit will perfectly complement the configuration of the most powerful forged engines !