What does '0.030 inch undersize' mean for these bearings?

This means the bearings are designed to fit a crankshaft that has been machined down by 0.030 inches. This is typically done to clean up wear or damage on the crankshaft journals during an engine rebuild.

What vehicles does this Clevite main bearing set fit?

This set fits a broad range of Chevrolet, GMC, and Pontiac vehicles, including models like the Chevrolet Impala, GMC C1500, and Pontiac Grand Prix from the 1970s and early 1980s. It's important to verify fitment for your specific vehicle.

Do these bearings come with installation instructions?

While this set includes the main bearings, it's recommended to refer to the manufacturer's installation guide or a trusted service manual for detailed instructions on proper installation, torque specifications, and oil clearance checks.

Clevite Main Bearing Set MS1038P30 - Engine Components

Name: Clevite Main Bearing Set
Brand: Clevite
SKU: clevite-clevite-main-bearing-set-t14-55963
Price: 132.42 USD
Availability: BackOrder

Clevite Main Bearing Set

$132.42

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 MS1038P30. This set is 0.030 inch undersize and fits many Chevrolet, GMC, and Pontiac engines.

Key Features

This is a Clevite Main Bearing Set, part number MS1038P30.
The bearings in this set are 0.030 inch undersize.
This set fits a wide range of Chevrolet, GMC, and Pontiac vehicles from the 1970s and early 1980s.
Clevite is a well-known brand for engine components.

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Will this fit your vehicle?

Product Details

When you're rebuilding the bottom end of your engine, getting the main bearings right is crucial for smooth operation and longevity. What you get in this box is a set of Clevite main bearings, specifically sized at 0.030 inch undersize. These bearings are designed to replace your worn-out originals, helping to restore proper crankshaft support and oil clearance.

Clevite is a well-known name in engine components, and this set is built to meet the demands of engine work. The 0.030 inch undersize means these are intended for use when the crankshaft journals have been machined down by 0.030 inches to clean up wear or damage. Proper installation, including ensuring the crankshaft journals are clean and within the specified tolerance, is key to getting the most out of these bearings.

This set fits a wide variety of Chevrolet, GMC, and Pontiac vehicles from the early 70s through the early 80s, making it a popular choice for many classic engine builds. Always double-check your specific vehicle's fitment and ensure your crankshaft has been machined to the correct undersize for these bearings.