BMW M140i / M240i / 340i / 440i / Supra A90 MK5 B58 and M3 G80 / M4 G8x / M2 G87 S58 ACL Main Bearings

Manufactured in Australia from a tri-metal tin, copper and steel, this kit of 7 pairs of ACL Performance Race Series main bearings fit without modification on the crankshaft of the B58 engines fitted to the BMW M140i / M240i / 340i / 440i / Supra A90 and S58 of BMW M3 G80 / M4 G8x / M2 G87 . 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 !