What does 'oversize 0.5' mean for these bearings?

The 'oversize 0.5' designation, which corresponds to 0.020 inches in this case, means these bearings are slightly smaller than standard. This is typically used when the engine's crankshaft has been machined down (ground) to remove imperfections or to achieve a specific oil clearance during an engine rebuild.

What is the Alecular material?

Alecular is King Engine Bearings' bi-metal material specifically developed for racing applications. It's chosen for its strength and ability to withstand the higher loads and temperatures associated with performance engines.

Do I need to measure my crankshaft before ordering?

Yes, it's highly recommended. Since this is an undersize bearing set (0.020 inches), you'll need to measure your crankshaft journals to ensure they have been machined to the correct size to match these bearings for proper oil clearance.

Specifications

Brand: King Engine Bearings
Part #: MB5353HP0.5
UPC: 611500539060

King Engine Bearings Ford 281 4.6L SOHC 16V Performance Main Bearing Set - Oversize 0.5

Name: King Engine Bearings Ford 281 4.6L SOHC 16V Performance Main Bearing Set - Oversize 0.5
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-ford-281-4-6l-sohc-16v-performance-mai-t14-4338438
Price: 122.60 USD
Availability: InStock

$122.60

Only 1 left in stock

King Engine Bearings main bearing set for Ford 4.6L engines. 0.020 inch undersize for performance builds.

Key Features

Fits a wide range of Ford 4.6L SOHC 16V engines, including Crown Victoria, Mustang, and Grand Marquis.
This is a main bearing set, essential for the bottom end of your engine rebuild.
Features King's Alecular bi-metal material, designed for performance applications.
The set is 0.020 inches undersize, suitable for crankshafts that have been machined.
Part number MB5353HP0.5.

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About this part

Product Details

When you're rebuilding the bottom end of your Ford 4.6L SOHC engine, especially for performance applications, the main bearings are critical. These King Engine Bearings are part of their Alecular racing line, designed for engines that see harder use. They fit a range of popular Ford and Mercury vehicles, including the Crown Victoria, Mustang, and Grand Marquis.

This set is specifically sized at 0.020 inches undersize, which is important if you're dealing with a crankshaft that's been ground down during a rebuild or to achieve a specific oil clearance. The Alecular material is a bi-metal compound chosen for its strength and ability to handle the stresses of higher RPMs and increased loads often found in performance builds. Getting the right bearing clearance is key to oil pressure and engine longevity, and this set offers a solid option for that.

Make sure to check your crankshaft's dimensions to confirm this 0.020 inch undersize bearing set is the correct choice for your specific build. Proper installation and oiling are crucial for these performance bearings to do their job effectively.