The overlay is strengthened by a proprietary nano-scaled hardening process that modifies the molecular structure and creates a black fatigue-resistant shield. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect deal for your ultimate satisfaction.

This King Engine Bearings product is 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.

Specifications:

• Size: Standard
• Extra Clearance: Without Extra Clearance
• Crankshaft diameter: 60.000 / 59.985"
• Housing diameter: 64.125 / 64.148"
• Max Wall Thickness: 2.065"
• Max Length: 23.020"
• Quantity: 5 Pairs

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
• .005" oversized

Fitment:

• Subaru EJ20/EJ22/EJ25 Housing Bore + .005
• Subaru WRX 02-14
• Subaru STI 04-21
• Subaru Outback  05-09
• Subaru Legacy 05-09