What does 'STD' size mean for these bearings?

STD stands for standard size. This means the bearings are designed to fit a crankshaft that is still within its original factory specifications, without any machining or grinding. If your crankshaft has been repaired or modified, you may need a different size bearing.

What is the pmax black lining?

The pmax black lining is a tri-metal material developed by King Engine Bearings. It's part of their racing line and is designed to offer improved load capacity and wear resistance compared to conventional bearing materials, making it suitable for higher-performance applications.

Does this main bearing set include everything needed for installation?

This product is a set of main bearings. It does not typically include engine assembly lubricant, sealants, or other related engine components. Always refer to your vehicle's service manual for a complete list of parts and procedures required for engine assembly.

Specifications

Brand: King Engine Bearings
Part #: MB788XP
UPC: 611500535468

King Engine Bearings Jaguar XJ 3.8L (Size STD) Main Bearing Set

Name: King Engine Bearings Jaguar XJ 3.8L (Size STD) Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-jaguar-xj-3-8l-size-std-main-bearing-s-t14-666673
Price: 293.26 USD
Availability: BackOrder

$293.26

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Fits 1962-1964 Jaguar Mark X. King Engine Bearings STD main bearing set with pmax black tri-metal lining for improved performance.

Key Features

Fits 1962-1964 Jaguar Mark X.
Standard (STD) size main bearing set.
Features King's pmax black tri-metal lining for improved load capacity and wear resistance.
Part of King Engine Bearings' racing line, offering enhanced performance characteristics.
Designed for the Jaguar XJ 3.8L engine.

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About this part

Product Details

The pmax black tri-metal lining on these main bearings is a key feature for engines looking for improved durability and performance. These bearings are specifically made for the Jaguar XJ 3.8L, and are a direct fit for your 1962-1964 Jaguar Mark X. They are part of King's racing line, offering a step up from standard bearings.

King Engine Bearings uses advanced materials and manufacturing processes to create a well-built bearing that can handle the demands of your engine. The pmax black lining is designed to offer better load capacity and wear resistance compared to conventional bearings. This set is standard size, meaning it's intended for crankshafts that are still within their original factory specifications, without any machining or grinding.

If you're rebuilding the bottom end of your Jaguar's 3.8L engine, this set of main bearings is a solid option. They are designed to fit right into the factory main caps, making installation straightforward for someone familiar with engine assembly. Ensure your crankshaft journals are clean and within spec before installation.