King Engine Bearings STDX Tri-Metal Performance Main Bearing Set Trust #5 WRX / STI

Description:
Built with enhanced tri-metal, King XP-Series main bearings have a layered copper lead construction, with a nickel plate barrier and lead/tin/copper Babbitt overlay over a steel backing--in an adhesion process that provides superior stability and durability. King's advanced control measures hit a bull's-eye, maintaining wall thickness tolerances far tighter than their competitors: an amazing +/- .0001 in. The XP-Series main bearings are narrowed for large radii crankshafts and feature enlarged, chamfered oil holes with full, 3/4 in., or 1/2 in. grooving for improved oiling. They deliver consistent and reliable performance with a high-load capacity. This race-only Xtreme Performance (XP-Series) Tri-Lecular main bearings are proven track-tough to handle the ground-shaking power of your race engine. Hundreds of sets are available; order the bearings recommended for your vehicle.

Features:
- 15% - 30% greater load capacity than traditional bearings
- The SecureBond unique adhesion process, for superior stability between the top and intermediate layers
- 0.0005" metallurgically enhanced and hardened performance overlay withstands greater loads and better resists surface fatigue
- Mains are 1/2 grooved for uncompromised lower shell load capacity
- STDX = Flange Oversize
- Crankshaft main bearing location
- Journal Bearing Location = #5

Applications:
2002-2007 WRX
2004-2007 STI
2008-2014 WRX
2008-2014 STI
2015-2021 STI
2005-2009 Outback XT
2005-2009 Legacy GT