ACL Standard Sized High Performance Main Bearing Set Version 4 Block | 2007 - 2019 Nissan GT-R(1M2505H-STD-4)

ACL Bearings
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Standard Sized High Performance Main Bearing Set Version 4 Block by ACL

The ACL RACE Series performance engine bearing range of today has a strong pedigree in motorsport & traces its roots back to the 1960’s with the manufacture of engine bearings for use in the world conquering Brabham Formula. The unique combination of design, metallurgy, engineering & precision quality control come together to deliver what engine builders expect from performance engine bearings.

Features

  • Size: Standard

Benefits

  • 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

Applications

  • 2007 - 2019 Nissan GT-R

What's In The Box?

  • 1 - Standard Sized High Performance Main Bearing Set Version 4Block

Warranty

  • Manufacturers Standard Warranty

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