ACL Standard Size High Performance Main Bearing Set w/ Extra Oil Clearance Subaru WRX 2015-2021 | 5M8312HX-STD 800 Combining the AN Breather Kit

Combining the AN Breather Kit with IAG's Race AOS will give you a complete AN breather hose solution

Stainless hardware included

The heat shield is constructed from durable 304 grade stainless steel with precision cut

Give it the airflow it deserves

ACL Standard Size High Performance Main Bearing Set w/ Extra Oil Clearance Subaru WRX 2015-2021 | 5M8312HX-STD 800 Combining the AN Breather KitProduct Fitment: 2015 2021 Subaru WRX The ACL 5M8312HX STD Race Series Main Bearing Set is engineered for high performance Subaru engines that demand superior strength, oil control, and long term reliability. Designed for standard size crankshafts, this HX series bearing set is ideal for performance builds, turbocharged applications, and engines that see sustained high RPM and elevated loads. ACLs HX Race Series bearings feature increased wall