Name: ACL Toyota 1UR-FE/2UR/3UR-FE Standard Size High Performance Main Bearing Set w/.001 Oil Clearance
Brand: ACL
Price: 221.24 USD
Availability: InStock

Question 1

What does '.001 oil clearance' mean?

Accepted Answer

The .001 oil clearance refers to the additional space provided for oil flow between the bearing and the crankshaft journal. This increased clearance helps maintain consistent oil pressure, especially at higher engine speeds, which is important in performance applications.

Question 2

Do I need to machine my crankshaft to use these?

Accepted Answer

No, these are standard-size bearings, so they should fit a crankshaft that is within factory specifications. If your crankshaft has been previously machined undersize, you would need to use undersized bearings instead.

Question 3

What other parts should I replace when I replace my main bearings?

Accepted Answer

When replacing main bearings, it's always a good idea to replace the connecting rod bearings at the same time. You should also inspect the crankshaft for wear and have it machined if necessary. Always use new main cap bolts and the correct torque when installing.

ACL Toyota 1UR-FE/2UR/3UR-FE Standard Size High Performance Main Bearing Set w/.001 Oil Clearance

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