Name: ACL BMW M20/M50/M52/M54 - 1919CC 80.0mm Bore 66.0mm Stroke .50 Oversized Main Bearing Set
Brand: ACL
Price: 259.03 USD
Availability: InStock

Question 1

What does '0.50 oversized' mean?

Accepted Answer

When an engine block is machined, the bearing bores can become slightly larger. An oversized bearing compensates for this extra space, ensuring the correct oil clearance between the bearing and the crankshaft. This is essential for proper engine lubrication and preventing bearing failure.

Question 2

Are these bearings compatible with aftermarket crankshafts?

Accepted Answer

These bearings are designed to work with both factory and most aftermarket crankshafts, assuming the crankshaft is ground to the standard size. Always plastigauge your clearances to confirm proper fitment. If your crankshaft is significantly undersized, you may need different bearings.

Question 3

Do these bearings come with installation instructions?

Accepted Answer

While the bearing set itself doesn't come with specific instructions, it's crucial to consult a repair manual or a professional mechanic for proper installation. Correct bearing installation, including proper torque and lubrication, is critical for engine reliability.

ACL BMW M20/M50/M52/M54 - 1919CC 80.0mm Bore 66.0mm Stroke .50 Oversized Main Bearing Set

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