ACL Race Series Main Bearings | 2008-2015 Mitsubishi Evolution X (5M1237H)

ACL Bearings
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Race Series Main Engine Bearings by ACL

High performance driving demands that you use the best parts. So rely on ACL Race Series performance engine bearings to perform to exacting race standards you expect. They provide the dependability it takes to hold up under higher RPM conditions. The unique combination of design, metallurgy and engineering come together to deliver what drivers expect from high performance trimetal bearings. These ACL Race Series performance engine bearings go the distance.

ACL Race Series performance engine bearings are manufactured to exacting tolerances with particular attention paid to wall thickness accuracy. This ensures reliable fit and helps maintain consistent clearances.

Features

  • High strength lead-tin-copper overlay plate with reduced thickness
  • Hardened steel backing to assist with bearing retention
  • Layers of nickel barrier and high fatigue strength copper-lead lining
  • Elimination of flash plating on the back of the bearings
  • Increased eccentricity to compensate for bore distortion at high rpm
  • 3/4 grooved Main Bearings to optimize bearing load and oil flow to the conrod bearings
  • Precision Machined to tight consistent wall tolerances
  • Enlarged ID Chamfers on bearing edges to accommodate performance crankshafts.

PLEASE NOTE

ACL RACE Series performance engine bearings do not start out with the silver grey appearance of regular aftermarket bearings, as there is no final silvery tin flash applied to these bearings. A silvery tin finish as applied to other bearings can, under high loading and heat, move with the plate, causing high spots on the back of the shells and distorting the bearings.

Applications

  • 2008 - 2015 Mitsubishi Lancer Evolution X

Benefits

  • High Strength and Durability
  • Maintains Consistent Clearances
  • Improved Fatigue Properties
  • Improved Bearing Retention

What's In The Box?

  • 1 - ACL Race Main Bearings Set
  • Necessary Hardware (if applicable)
  • Instructions/Manuals(if applicable)
  • Warranty Information

References

Warranty

ACL Manufacturer Warranty

Customer Reviews

Based on 7 reviews
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A
A.R.
ACL bearings

You can never go wrong with acl bearings. Thank you MAPerformance for all the help

D
D.A.
Acl main bearings

Purchased these for my forded engine build. Quality was amazing straight out of the packaging. Will definitely buy again. Fast shipping. Engine break in has gone flawlessly!

A
Angel Torres-coronado
my go to

my go to brand for main and rod bearings! great quality

E
Edward J
One of The Best . . .

Bearings you can possibly get. Put these in my car for a bottom end rebuild. Still holding up strong!

X
Xavier Bailey
This part

Use the bearings for my engine rebuild love this site had everything I need for a engine rebuild