What does the 0.030 inch undersize mean for this bearing set?

An undersize bearing is used when the crankshaft journals have been machined down to correct for wear or damage. A 0.030 inch undersize bearing is designed to fit crankshaft journals that have been ground down by 0.030 inches from their original factory size.

What is the typical application for this type of main bearing set?

This main bearing set is commonly used during engine rebuilds or repairs where the crankshaft has been resurfaced or is being replaced. It's designed for the specific engine configurations found in many 1959-1979 Pontiac and Oldsmobile vehicles.

Does this set include all the main bearings needed for an engine?

Yes, this Clevite MS496P30 set contains all the main bearings required to replace the main bearings for the compatible engine applications listed.

Questions? Call Us:631-982-0042

M-F 8AM-4PM ET

Trusted Since 1957

Est. 1957

Specifications

Brand: Clevite
Part #: MS496P30
UPC: 027067535979

Clevite Main Bearing Set

Name: Clevite Main Bearing Set
Brand: Clevite
Price: 121.67 USD
Availability: InStock

$121.67

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Clevite Main Bearing Set MS496P30. Fits many 1959-1979 Pontiac and Oldsmobile models.

Key Features

Fits 1959-1979 Pontiac and Oldsmobile vehicles.
This is a 0.030 inch undersize main bearing set.
Features a multi-layer bearing material for durability and heat dissipation.
Designed to support the crankshaft and reduce friction within the engine block.

Secure CheckoutFast Shipping631-982-0042

Will this fit your vehicle?

Product Details

This Clevite Main Bearing Set, part number MS496P30, features a 0.030 inch undersize. Main bearings are critical for supporting the crankshaft within the engine block, ensuring it spins smoothly and without excessive friction. This set is built to handle the demands of engines found in a wide range of vehicles, including models like the 1975 Oldsmobile 98, 1970-1976 Pontiac Firebird, and 1967-1977 Pontiac Grand Prix.

Clevite uses a multi-layer bearing material that's designed for durability and reduced friction. This construction helps to dissipate heat effectively and maintain oil film integrity, which is essential for protecting the crankshaft and bearings from wear, especially during demanding use. When rebuilding or repairing an engine, using a well-made main bearing set like this one is key to a long-lasting and reliable powerplant.