Acl Main Bearings Subaru Wrx Ej20 & Sti 5m8309h.025mm on 2040-parts.com

• YOU ARE BIDDING ON A BRAND NEW SET OF ACL TRI-METAL RACE SERIES MAIN BEARING SET
   
• Kit includes:
  - Main bearings, Part# 5M8309H-.025mm (.025mm oversized) (For all engines with thrust bearings in #5 position)
  For all engines with thrust bearings in #3 position, please visit our Ebay store!
   
• Applications:
   
  • Subaru WRX & STi Models (EJ20 & EJ25)
     
• The unique combination of design, metallurgy and engineering come together to deliver what drivers expect from high performance Tri-metal engine bearings.
  
  Designed to withstand higher RPM conditions, ACL Race Series Engine Bearings are available for many of the popular 4, 6 & 8 cylinder applications and feature:
  
  - High strength overlay plate with reduced thickness for improved fatigue properties
  
  - Hardened steel backs on all rod bearings to improve the support of the bearing lining and assist with bearing retention in the housing.
  
  - Increased crush for improved bearing retention
  
  -Elimination of flash plating on the back of the bearings to improve heat transfer through the bearing sand to maximize the grip between the bearings and its housing.
  
  -Increased eccentricity to compensate for bore distortion at high rpm and to assist in the formation of hydrodynamic oil films.
  
  - 3/4 grooved Main Bearings to optimize bearing load carrying surface area and oil flow to the con-rod bearings.
  
  - Tight consistent wall tolerances to help you maintain consistent clearances.
  
  - Enlarged ID chamfers on bearing edges where required to accommodate large fillet radius on performance crankshafts.
   
• IN STOCK AND READY TO BE SHIPPED!!!!

Canada: $15.00 (Generally sent via UPS, unless told otherwise)

Rest of the World: $50.00+