What is the main function of main bearings in an engine?

Main bearings support the crankshaft within the engine block. They create a precise clearance that allows the crankshaft to spin freely while maintaining oil pressure, which is essential for lubrication and reducing friction.

Does this main bearing set come with all the necessary hardware for installation?

This set includes the main bearings themselves. You will need to refer to the manufacturer's installation instructions for any additional hardware or sealants required for proper installation.

What is the typical clearance specification for these bearings?

Specific clearance specifications can vary slightly by engine model and year. It is important to consult the service manual for your specific Pontiac V8 engine to ensure you achieve the correct oil clearance when installing these bearings.

Clevite Main Bearing Set MS496P10 - Pontiac V8

Name: Clevite Pontiac 326 350 389 400 V8 1959-79 Main Bearing Set
Brand: Clevite
Price: 139.64 USD
Availability: InStock

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

$139.64

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

Key Features

Fits 1959-1979 Pontiac 326, 350, 389, and 400 V8 engines.
Designed for a wide range of classic vehicles including Oldsmobile 98, Pontiac Bonneville, Catalina, and Firebird.
Main bearings are critical for supporting the crankshaft and maintaining oil pressure.
Built by Clevite, a trusted name in engine components.

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Will this fit your vehicle?

Product Details

Clevite is a well-known name when it comes to engine bearings, and this main bearing set is built to keep your Pontiac V8 running smoothly. If you're rebuilding or refreshing the bottom end of your Pontiac 326, 350, 389, or 400 cubic inch V8 engine from 1959 through 1979, these bearings are designed to handle the job. They are made to fit a wide range of classic Pontiacs, including models like the Bonneville, Catalina, and Firebird, ensuring your engine's crankshaft stays properly supported.

This main bearing set is a popular choice for many engine builds because Clevite bearings are known for their durability and consistent performance. They are manufactured with materials and tolerances that help manage the loads and heat generated by your V8. Proper main bearing clearance is crucial for oil pressure and crankshaft longevity, and this set aims to provide that within spec for the engines it fits.

When you're putting an engine back together, getting the right parts makes all the difference. This set is designed as a direct replacement, making installation straightforward as part of a larger engine overhaul. Ensure you follow the manufacturer's installation instructions and torque specifications for optimal results.