What does '1.0 undersize' mean for these bearings?

The '1.0 undersize' designation means these bearings are 0.010 inches smaller in diameter than standard. This indicates they are intended for use with a crankshaft that has been machined down by 0.010 inches to ensure proper clearance and fit.

What is the significance of the '6 Upper Flanges (Top Fuel)' designation?

The '6 Upper Flanges (Top Fuel)' indicates a specific design feature for high-performance Top Fuel racing engines. This configuration helps manage oil flow and bearing load under extreme operating conditions common in drag racing.

Are these bearings suitable for a street-driven vehicle?

These bearings are specifically designed for Top Fuel racing applications, which involve extreme loads and operating conditions. While they are well-built, they may not be the optimal choice for a standard street-driven vehicle unless it has been significantly modified for high-performance racing.

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Specifications

Brand: King Engine Bearings
Part #: MB5116TFC6UF010
UPC: 611500619786

King Chrysler 426Ci/ 440Ci V8 OHV- 6 Upper Flanges (Top Fuel) (Size 1.0) Main Bearing Set

Name: King Chrysler 426Ci/ 440Ci V8 OHV- 6 Upper Flanges (Top Fuel) (Size 1.0) Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-chrysler-426ci-440ci-v8-ohv-6-upper-flanges-top-fuel-s-t14-432446
Price: 376.33 USD
Availability: BackOrder

$376.33

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King Engine Bearings MB5116TFC6UF010 main bearing set for Chrysler 426/440 V8.

Key Features

Fits Chrysler 426ci and 440ci V8 OHV engines.
Designed for Top Fuel racing applications.
Features 6 upper flanges.
Main bearing set is 1.0 undersize (0.010 inches).
Built by King Engine Bearings, known for their engine bearing expertise.

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About this part

Product Details

King Engine Bearings is well-known for making solid engine bearings. This main bearing set is built for Chrysler 426 cubic inch and 440 cubic inch V8 engines, specifically for those running a Top Fuel setup. These bearings are designed to handle the extreme demands of high-performance racing applications.

This set features 6 upper flanges, which is a notable design element for Top Fuel engines. They are also sized at 1.0 undersize, meaning they are intended to be used with crankshafts that have been machined down by 0.010 inches. The construction uses materials chosen for their ability to withstand high loads and temperatures, crucial for preventing engine failure under racing conditions. When rebuilding a high-performance V8 like this, using bearings that can handle the stress is key to reliability.