King Subaru EJ20/EJ22/EJ25 Standard Size .002 Oversized Bi-Metal Silicon Aluminum Main Bearing Set | MB5739SI Miata_2015-2021 RAYS original test: JWL+R Spec

RAYS original test: JWL+R Spec 1

and dual 4" slant-cut tips for a clean

3x Damper postions

Designed to integrate with stock master cylinder

King Subaru EJ20/EJ22/EJ25 Standard Size .002 Oversized Bi-Metal Silicon Aluminum Main Bearing Set | MB5739SI Miata_2015-2021 RAYS original test: JWL+R SpecProduct Fitment: 2002 2014 Subaru WRX 2004 2021 Subaru STI King Bearings Bi Metal SI series is crafted from an aluminum alloy infused with 2. 53% silicon, offering enhanced strength and wear resistance. These bearings are ideal for medium load engines, especially those equipped with nodular cast iron crankshafts. As a lead free OE replacement, they provide a reliable, environmentally friendly solution for both stock rebuilds and light performance