ACL Race Main Bearings (EJ20/EJ257)

Designed to withstand higher RPM conditions, ACL Race Series Connecting Rod Bearings are available for many of the popular 4, 6 & 8 cylinder applications.

Weight
1.00 lbs
SKU
5M8309H
Weight
1.00 lbs
$57.32

These are ACL's Race Bearings for the Subaru EJ20/EJ257.

The unique combination of design, metallurgy and engineering come together to deliver what drivers expect from the ACL Race Series high-performance Trimetal engine bearings:

  • 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 bearings and 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 conrod 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

Weight
1.00 lbs
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