Name: ACL Subaru EJ20/EJ22/EJ25 (For Thrust in #5 Position) 0.50mm Oversized High Performance Main Bearing
Brand: ACL
SKU: acl-acl-subaru-ej20-ej22-ej25-for-thrust-in-5-position-0-50mm-oversized-high-per-t14-13048
Price: 100.39 USD
Availability: InStock

Question 1

What does 'thrust in the #5 position' mean?

Accepted Answer

The #5 position refers to the location of the thrust bearing on the crankshaft. This bearing is specifically designed to handle axial loads, preventing the crankshaft from moving back and forth within the engine block. Proper thrust bearing function is critical for maintaining crankshaft alignment and preventing engine damage.

Question 2

What is an oversized bearing?

Accepted Answer

An oversized bearing has a slightly larger outside diameter than the standard size. This is useful when the engine block or crankshaft has been machined, or if there is wear that needs to be compensated for. Using an oversized bearing ensures proper oil clearance and prevents excessive play.

Question 3

What other parts might I need when replacing main bearings?

Accepted Answer

When replacing main bearings, it's always a good idea to inspect the crankshaft for wear and damage. You may also want to replace the connecting rod bearings at the same time for a complete engine refresh. Refer to the manufacturer's service manual for specific recommendations.

Specifications

ACL Subaru EJ20/EJ22/EJ25 (For Thrust in #5 Position) 0.50mm Oversized High Performance Main Bearing

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