What is the primary advantage of the tri-metal construction in these bearings?

The tri-metal construction combines a strong steel backing with a copper-lead-tin alloy overlay. This design offers excellent load-carrying capacity and wear resistance, making it ideal for high-performance and high-stress engine applications.

Are these bearings suitable for a street-driven vehicle?

These main bearings are specifically designed for Top Fuel drag racing engines, which operate under extreme conditions. While they offer superior durability, they may not be the optimal choice for a standard street application where different bearing characteristics are prioritized.

What is the purpose of the hardened steel backing?

The hardened steel backing provides a solid and robust foundation for the bearing. It ensures the bearing maintains its structural integrity under immense pressure and high rotational speeds, preventing deformation and supporting the crankshaft effectively.

Specifications

Brand: King Engine Bearings
Part #: MB5116TFC
UPC: 611500616877

King Engine Bearings Chrysler 426Ci/ 440Ci V8 OHV (Top Fuel) Main Bearing Set

Name: King Engine Bearings Chrysler 426Ci/ 440Ci V8 OHV (Top Fuel) Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-chrysler-426ci-440ci-v8-ohv-top-fuel-m-t14-432434
Price: 248.44 USD
Availability: BackOrder

$248.44

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King Engine Bearings Chrysler 426/440 V8 OHV main bearing set. Built for high-performance applications.

Key Features

Fits Chrysler 426Ci and 440Ci V8 OHV engines.
Features a tri-metal construction for high-load applications.
Hardened steel backing provides a strong foundation.
Copper-lead-tin alloy overlay offers excellent wear resistance.
Designed for extreme RPM and load conditions in Top Fuel engines.

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About this part

Product Details

These King Engine Bearings main bearings are built with a unique tri-metal design, featuring a hardened steel backing for strength and a copper-lead-tin alloy overlay. This construction is specifically chosen for its ability to handle the extreme loads and high RPMs found in Top Fuel drag racing engines. They are designed to provide a durable and reliable interface between the crankshaft and the engine block, crucial for maintaining oil pressure and reducing friction under severe operating conditions.

The MB5116TFC set is engineered for Chrysler 426 cubic inch and 440 cubic inch V8 OHV engines, commonly found in high-horsepower drag racing applications. The tri-metal construction offers improved embeddability and conformability, meaning the bearings can better adapt to minor imperfections in the crankshaft journal surface, which is critical when dealing with the immense forces generated in these powerful engines. This well-built set is a solid option for anyone rebuilding or maintaining a serious performance Mopar V8.