Name: ACL Subaru FB20/FB25 0.25 Oversized High Performance Rod Bearing Set
Brand: ACL
Price: 51.69 USD
Availability: InStock

Question 1

What does it mean for a bearing to be 'oversized'?

Accepted Answer

An oversized bearing is thicker than the standard size. These bearings are 0.25mm (0.010 inch) larger in outside diameter, which reduces the inside diameter when installed. They're used when the crankshaft or connecting rod has been machined, which increases the clearance.

Question 2

What should I check during installation?

Accepted Answer

Bearing clearance is critical for engine reliability. Always plastigage your clearances to ensure they are within the manufacturer's recommended range. Refer to the factory service manual for your specific engine.

Question 3

What other parts should I replace when replacing the rod bearings?

Accepted Answer

It's always a good idea to inspect the connecting rods and crankshaft for wear or damage. Consider replacing the rod bolts, as they are often torque-to-yield and should not be reused. Main bearings should also be inspected and replaced as needed.

ACL Subaru FB20/FB25 0.25 Oversized High Performance Rod Bearing Set

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