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- Maintains precise valve timing under extreme conditions
Formulated with ethylene glycol
and Kiwami tires
and supercharged gasoline or diesel engines
the N1 Evolution offers exceptional durability while remaining significantly lighter than conventional exhaust systems
ACL Performance Main Bearing Set - BMW N54B30 / N55B30 / S55B30 featured - Maintains precise valve timingACL 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
