S65 Measured ACL Bearings Kit

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Measured & Matched Shells

This new ACL bearing is metrology tested by a 3rd party to mix and match shell to achieve the precise extra target clearance.

Lead & Copper Trimetal

The ACL bearings are also made using the original 088/089 tri-metal lead and copper composition known for being softer on your crankshaft.

Made for your V8.

The bearings have S65 specific tabs in the design to align & secure with your connecting rods.

ARP-2000 bolts

Offering a step up in strength over OEM and a simplified installation procedures, these bolts are specifically made for the S65 and S85.
Get your ACL bearings kit
S65 ACL Measured & Matched Rod Bearing Kit
S65 ACL Measured & Matched Rod Bearing Kit
S65 ACL Measured & Matched Rod Bearing Kit
S65 ACL Measured & Matched Rod Bearing Kit
S65 ACL Measured & Matched Rod Bearing Kit
S65 ACL Measured & Matched Rod Bearing Kit
S65 ACL Measured & Matched Rod Bearing Kit

S65 ACL Measured & Matched Rod Bearing Kit

  • Factory Direct Process
  • Measured & matched in the USA
  • Made in Australia
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Specifications:

  • ACL bearings are made in Australia
    • The bearings are precisely measured to achieved the target extra clearances over OEM bearings.
    • Tri-metal lead/copper construction
  • ARP bolts are made in the USA
    • ARP-2000 bolts custom made by ARP
    • Assembly lube is included.
Build Journal: maintenance series
Closer than it appears.

After a decade on BMW M groups and forums, I've found the rod bearing dilemma to be excessively religious in nature.

I trust in science.

In this entry, I document my rod bearing service on my original S65B40 engine.

I link to fundamentals on bearings, echo the rational for my bearing & bolts selection from my previous V10 experience and cover the plethora of signature pictures of the original bearings.

Enjoy,
- Matt / @m3_epoustouflant

Need help?
Been there, done that.

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