What is included in this main bearing set?

This set includes all the main bearings needed to rebuild the bottom end of your specified Pontiac V8 engine. It's designed to replace the factory main bearings.

What is the main function of main bearings?

Main bearings support the crankshaft within the engine block. They allow the crankshaft to rotate smoothly while handling the significant forces generated during combustion, helping to reduce friction and wear.

Are these bearings undersized or oversized?

The 'G10' designation in the part number MS483G10 indicates that these are standard size bearings. They are intended for use with a crankshaft that is within factory specifications.

Specifications

Brand: Clevite
Part #: MS483G10
UPC: 027067535498

Clevite Pontiac 326 350 389 & 400 V8 1959-79 Main Bearing Set

Name: Clevite Pontiac 326 350 389 & 400 V8 1959-79 Main Bearing Set
Brand: Clevite
SKU: clevite-clevite-pontiac-326-350-389-400-v8-1959-79-main-bearing-set-t14-58367
Price: 114.69 USD
Availability: BackOrder

$114.69

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Clevite main bearing set for Pontiac 326, 350, 389, & 400 V8 engines (1959-79). Ensures proper crankshaft support.

Key Features

Fits 1959-1979 Pontiac 326, 350, 389, and 400 V8 engines.
Includes all main bearings required for a complete engine rebuild.
Multi-layer bearing material is built to withstand engine pressures and temperatures.
Designed to manage oil flow effectively, reducing friction and wear.
Direct fit for factory main caps, simplifying installation.
Compatible with various Pontiac models including Catalina, Firebird, and Grand Prix, as well as some Oldsmobile models.

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About this part

Product Details

When you're rebuilding the bottom end of your Pontiac V8, a solid set of main bearings is crucial for keeping everything running smoothly. This main bearing set from Clevite is designed for Pontiac 326, 350, 389, and 400 cubic inch engines from 1959 through 1979. These bearings are what support your crankshaft, so getting them right is key to a healthy engine build.

Clevite uses a multi-layer bearing material that's built to handle the pressures and temperatures inside your engine. The design helps to manage oil flow effectively, which is important for reducing friction and wear on your crankshaft journals. This set includes all the main bearings needed for your engine, ensuring you have the right components for a complete rebuild. They are made to fit right into the factory main caps, making installation straightforward if you're already into the engine block.

This set is a popular choice for engine rebuilds on a wide range of Pontiac models, including the Catalina, Firebird, and Grand Prix, as well as some Oldsmobile models from the mid-70s. Make sure to check the full fitment list to confirm it matches your specific vehicle.