King Engine Bearings - (Size STDX) Performance Tri-Metal Main Bearing Set - Subaru BRX 13+ / WRX 12-21 subaru-wrx-2021 The flat bottom-shaped muffler design

The flat bottom-shaped muffler design results in improved high-speed aerodynamic performance

High engine temperatures can result in rapid oil degradation and potential engine damage

Increased fluid capacity and optimal heat dissipation

65 qt to the total oil capacity and substantially reduces temperatures with minimal pressure loss

a new BPV gasket

King Engine Bearings - (Size STDX) Performance Tri-Metal Main Bearing Set - Subaru BRX 13+ / WRX 12-21 subaru-wrx-2021 The flat bottom-shaped muffler designThis main bearing set has been professionally and meticulously designed to provide the superior durability you are looking for. XP Series is a unique tri metal structure for race applications. The overlay is strengthened by a proprietary nano scaled hardening process that modifies the molecular structure and creates a black fatigue resistant shield. Fitment: Subaru Fa20, Toyota 4U GSE Subaru BRX 2013+ Subaru WRX 2012 2021