What does the '1.0' size designation mean for these bearings?

The '1.0' indicates that these main bearings are 0.010 inches undersize. This means they are designed to be used with a crankshaft that has been machined down by 0.010 inches to ensure proper clearance and fit.

What is the '24 Uppers (Top Fuel)' specification?

This designation refers to a specialized bearing design intended for extreme racing applications, such as Top Fuel drag racing. It signifies enhanced strength and improved load-carrying capabilities to withstand the immense pressures found in these high-output engines.

Are these bearings suitable for a stock engine rebuild?

While King Engine Bearings are well-built, this specific '24 Uppers (Top Fuel)' set is designed for extreme racing conditions. For a standard street engine rebuild, you might consider a different bearing series unless your engine build specifically requires this level of performance and load capacity.

Specifications

Brand: King Engine Bearings
Part #: MB5116TFC24U010
UPC: 611500619458

King Engine Bearings Chrysler 426Ci/ 440Ci V8 OHV- 24 Uppers (Top Fuel) (Size 1.0) Main Bearing Set

Name: King Engine Bearings Chrysler 426Ci/ 440Ci V8 OHV- 24 Uppers (Top Fuel) (Size 1.0) Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-chrysler-426ci-440ci-v8-ohv-24-uppers--t14-432440
Price: 477.67 USD
Availability: BackOrder

$477.67

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King Engine Bearings Chrysler 426Ci/440Ci V8 OHV- 24 Uppers (Top Fuel) (Size 1.0) Main Bearing Set

Key Features

Fits Chrysler 426Ci and 440Ci V8 OHV engines.
Main bearing set is 0.010 inches undersize.
Features '24 Uppers (Top Fuel)' design for extreme racing conditions.
Supports the crankshaft and manages loads in high-performance engines.
Built by King Engine Bearings, known for robust engine components.

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About this part

Product Details

King Engine Bearings is well-known for making robust engine components, and this main bearing set is a prime example of their work for high-performance Chrysler applications. This set is specifically designed for 426 cubic inch and 440 cubic inch V8 OHV engines, often found in performance builds where durability and reliability are key. These bearings are crucial for supporting the crankshaft within the engine block, handling immense loads and ensuring smooth rotation.

This particular set features a 1.0 undersize, meaning it's intended for crankshafts that have been machined down by 0.010 inches. The '24 Uppers (Top Fuel)' designation indicates a specialized design for extreme racing conditions, offering enhanced strength and load-carrying capacity. King uses advanced materials and manufacturing processes to create bearings that can withstand the intense pressures and temperatures of demanding engine builds, helping to protect your crankshaft and ensure consistent oil flow.

When rebuilding or modifying a high-output Chrysler V8, using a well-built main bearing set like this from King is essential for long-term engine health. Ensure your crankshaft journals are properly machined to the 0.010 inch undersize before installation, and always follow the manufacturer's recommended torque and oil clearance specifications.