What does '.040 OS' mean for these bearings?

'.040 OS' stands for 0.040 inch undersize. This means the bearings are designed to fit a crankshaft that has been machined down by 0.040 inches to correct for wear or damage. It's important to match the bearing size to your crankshaft's specifications.

What is the purpose of the flange on these main bearings?

The flange on these main bearings helps to control the crankshaft's end play. It also plays a role in managing oil flow to the main bearing journals, contributing to proper lubrication and engine health.

Are these bearings suitable for a stock crankshaft?

No, these bearings are specifically sized at .040 inch undersize for both housing and flange. They are intended for use with a crankshaft that has been professionally machined down to match this undersize specification.

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Clevite 040 OS HOUSING / .040 OS LENGTH FLANGE VW Air Cooled Main Bearing Set

Specifications

Brand: Clevite
Part #: MS1053A
UPC: 027067852250

Clevite 040 OS HOUSING / .040 OS LENGTH FLANGE VW Air Cooled Main Bearing Set

Name: Clevite 040 OS HOUSING / .040 OS LENGTH FLANGE VW Air Cooled Main Bearing Set
Brand: Clevite
Price: 92.04 USD
Availability: InStock

$92.04

Only 1 left in stock

Clevite .040 inch undersize main bearing set for VW Air Cooled engines. Features a housing and flange for improved oil flow.

Key Features

Fits Volkswagen Beetle, Campmobile, Fastback, Karmann Ghia, Squareback, Super Beetle, and Transporter models.
Main bearing set is .040 inch undersize for housing.
Main bearing set is .040 inch undersize for flange length.
Features a flange design for improved oil control.
Designed for Volkswagen Air Cooled engines.

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Will this fit your vehicle?

Product Details

This kit includes a set of Clevite main bearings, sized at .040 inch undersize for both housing and flange length. These bearings are specifically made for Volkswagen Air Cooled engines, commonly found in models like the Beetle, Karmann Ghia, and Transporter from various years. They are designed to replace your worn-out main bearings, which are crucial for supporting the crankshaft and ensuring smooth engine operation.

The .040 inch undersize means these bearings are intended for crankshafts that have been machined down by that amount to correct for wear or damage. The flange design helps manage oil flow, contributing to better lubrication of the crankshaft and main journals. Clevite is a well-known name in engine bearings, and this set is a solid option for rebuilding or repairing your classic VW engine.