ACL Performance Main Bearing Set - BMW N54B30 / N55B30 / S55B30 featured the N1 Evolution offers exceptional

the N1 Evolution offers exceptional durability while remaining significantly lighter than conventional exhaust systems

Manufactured in Japan

please refer to the HKS Turbo Timer Harness Application Chart

and Kiwami tires

ACL Performance Main Bearing Set - BMW N54B30 / N55B30 / S55B30 featured the N1 Evolution offers exceptionalACL Performance Main Bearing Set BMW N54B30 N55B30 S55B30 High performance trimetal engine bearings Designed to withstand higher RPM conditions High strength overlay plate with reduced thickness for improved fatigue properties Made in Australia ACL Performance part no. 7M1397H STD 7M1397H . 25 Compatible with BMW N54B30 N55B30 S55B30 engines. For full compatibility please refer to the ACL Performance application chart. The ACL Race Series Rod Bearings