King Engine Bearings Subaru Ej20/Ej22/Ej25 Housing Bore + .002 (Size +0.50mm) Main Bearing Set | MB5739SI0.5 Wheel Width_5 inch The tolerances are so tight

The tolerances are so tight that there are no clunking sounds that are common in other pillow ball bearings

SUBARU EJ257 BILLET FSR

Aftermarket design with bold bar surrounding the outside

Part #: PRL-HCR-CP

King Engine Bearings Subaru Ej20/Ej22/Ej25 Housing Bore + .002 (Size +0.50mm) Main Bearing Set | MB5739SI0.5 Wheel Width_5 inch The tolerances are so tightProduct 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