King Engine Bearings - Housing Bore + .002 (Size STDX) Main Bearing Set - Subaru 02-14 WRX / 04-21 STI

These are the result of both construction techniques while using advanced materials for your application.

Details:

• Unique metal structure for increased load capacity
• Distinctive geometric design
• Designed with a performance simulation and analysis system
• 4.5% Tin intermediate layer
• Hardness-115HV
• Load capacity: 17,000 psi
• 5% copper overlay
• Micro-etch surface preparation process
• The proprietary nano-scaled hardening process
• Perfect clearance in every set
• U-groove design increases the bearing's effective surface
• An integrated oil slot enables better oil passage 
• Improved oil ingress
• Crankshaft main bearing location
• +.001 Inch Oversized

Fitment:

• Subaru EJ20/EJ22/EJ25 Housing Bore + .002
• Subaru WRX 02-14
• Subaru STI 04-21
• Subaru Legacy 05-09
• Subaru Outback 05-09