Name: ACL VW/Audi 1781cc/1984cc 0.50 Oversized High Performance Main Bearing Set
Brand: ACL
Price: 69.95 USD
Availability: InStock

Question 1

What does '0.50mm Oversize' mean for these bearings?

Accepted Answer

This means the bearings are manufactured to be slightly larger than standard. They are intended for use when the engine's crankshaft has been machined down by 0.50mm to remove wear or damage. Installing these oversize bearings on a standard crankshaft will not work.

Question 2

What is the tri-metal overlay?

Accepted Answer

The tri-metal overlay is a common bearing material construction. It typically consists of a steel backing, a middle layer of aluminum alloy, and a thin top layer of babbitt (a soft metal alloy). This design provides strength, good embeddability for debris, and excellent oil retention.

Question 3

Do these bearings come with new main bolts?

Accepted Answer

This set includes the main bearings only. New main bearing bolts are typically recommended or required when replacing main bearings, but they are sold separately.

ACL VW/Audi 1781cc/1984cc 0.50 Oversized High Performance Main Bearing Set

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