King Rod Bearings XPG Series - Standard Size (.001 Extra) - Subaru EJ20/EJ22/EJ25 - 52mm Journal

SKU: KINGCR4125XPGSTDX

$67.99 CAD $102.27 CAD

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60 pieces in stock

King XPG bearings are produced at the company’s AS9100 aerospace certified production facility and features the company’s new custom designed packaging with specially molded trays that securely hold each shell and prevent contact. Each bearing features ultra precise wall tolerances: All XPG shells are produced to 0.0001” Bull’s Eye® wall accuracy and feature King’s 0.0005″ metallurgically enhanced and hardened XP performance overlay.
 
King XPG bearings feature oil slots instead of standard oil holes for better oil distribution in the groove and more consistent oil flow. Fully grooved number three main bearings enable 360° oiling to number two and number three rod bearings.
 
Additionally King XPG bearings feature a unique lug design that eliminates the conventional lug recess so no oil escapes and full oil pressure is maintained. In addition, narrowed bearing lengths help eliminate fillet ride on high-radius cranks. With enhanced tri-metal copper lead construction with nickel barrier and SecureBond adhesion, King XPG bearings have a 20 percent higher load capacity and better resist surface fatigue.
 
If you’re rebuilding your engine with forged internals, make sure you top off your investment with a set of King Main Bearings. 
 
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
 
Tech Features:
- “Bull’s Eye Tolerance”. King engine bearings have the closest wall tolerances in the industry, with all shells matched to 0.0001”.
- Increased Height. Greater rod bearing height improves bearing-to-bore contact/heat transfer and reduces spin potential at high RPM.
- Improved Oiling. Mains feature enlarged, chamfered oil holes.
- Medium Eccentricity. This enables optimum load distribution and improved oiling.
- Dowel Holes. Most rod bearings are available with or without dowel holes.
- Narrowed Design. Mains and rods are narrowed for large-radius crankshafts.
- High-load, long-duration racing such as circle track, off-road, off-shore, and others that require steel crankshafts
- 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
 
Specifications:
- Race / Performance
- Standard Size w/ Extra Oil Clearnce 0.001in Main Bearing Set
- Journal Size - 52mm
 
 
Notes:
- Recommend for high RPM / high horsepower engine builds.
- Subaru rod bearings are specific to either a 48mm or 52mm journal size. Please make sure to measure before making a purchase.
 
Fitment:
2004-2021 Subaru STI & Type-RA
2002-2014 Subaru WRX

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