This Rear Main Seal Retainer has been engineered specifically for all RB-series engines and features a reversed seal lip design that provides superior retention under high crankcase pressure. The innovative lip profile prevents the seal from being pushed out during extreme operating conditions, ensuring a secure fit and long-lasting oil control. Manufactured from Billet Aluminium, this seal delivers exceptional durability and leak prevention in both street and motorsport applications.
Comes to you with mounting bolts and washers.