What is the pMax Black coating on these bearings?

The pMax Black coating is part of King's racing line. It's designed to help with initial startup lubrication and can offer improved durability, especially in performance applications.

What does 'undersize 0.010in' mean for these bearings?

This means the bearings are manufactured to be 0.010 inches smaller in diameter than standard. They are intended for use with a crankshaft that has been machined down by 0.010 inches to correct wear or achieve specific clearances.

Are these bearings suitable for a stock rebuild or a performance build?

While they fit many stock applications, the pMax Black coating is a racing line feature, suggesting they are well-suited for performance builds where enhanced durability and startup protection are beneficial.

Specifications

Brand: King Engine Bearings
Part #: CR807XPNC010
UPC: 611500596513

King Chevrolet SBC 307ci/350ci Gen III/IV (Undersize 0.010in) Conn Rod Bear Set - Coated (Set of 8)

Name: King Chevrolet SBC 307ci/350ci Gen III/IV (Undersize 0.010in) Conn Rod Bear Set - Coated (Set of 8)
Brand: King Engine Bearings
SKU: king-engine-bearings-king-chevrolet-sbc-307ci-350ci-gen-iii-iv-undersize-0-010in-t14-317007
Price: 193.52 USD
Availability: BackOrder

$193.52

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King Engine Bearings connecting rod bearing set for Chevrolet SBC 307ci and 350ci engines. Features pMax Black coating and is undersize 0.010in.

Key Features

Fits 117+ vehicle make/model combinations including Chevrolet, Buick, Cadillac, and GMC.
Designed for Chevrolet SBC 307ci, 350ci, and Gen III/IV engines.
Features King's pMax Black coating, a racing line application for improved startup and durability.
Set includes eight connecting rod bearings.
Bearings are 0.010 inches undersize, intended for machined crankshafts.

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About this part

Product Details

If you're rebuilding the bottom end of a Chevrolet Small Block engine, specifically a 307ci or 350ci, or a Gen III/IV variant, getting the right connecting rod bearings is crucial. These King Engine Bearings are designed for that job, featuring their pMax Black coating. This coating is a racing line application that helps with initial startup lubrication and can offer improved durability under demanding conditions.

These bearings are a set of eight, and they come in an undersize of 0.010 inches. This means they are intended for crankshafts that have been machined down by 0.010 inches to correct for wear or to achieve a specific clearance. The pMax Black coating is a notable feature, often used in performance builds to protect the bearing surface during the critical break-in period and beyond. They fit a wide range of vehicles, including many Chevrolet, Buick, Cadillac, and GMC models from the 1980s through the 2000s.