What is crankshaft end play and why is it important?

Crankshaft end play is the amount of fore-and-aft movement the crankshaft has within the engine block. It's important because too much movement can cause the crankshaft to hit other engine components, leading to damage. Thrust washers help keep this movement within the correct specifications.

What does 'undersize' mean for these thrust washers?

An undersize specification, like the 0.025 inches for this set, means the washers are slightly smaller than standard. This is typically used when the crankshaft journals have been machined down (ground) to remove imperfections or to achieve a specific clearance during an engine rebuild.

Are these washers sold individually or as a set?

This product is a set of thrust washers. When rebuilding an engine, it's standard practice to replace all thrust washers as a matched set to ensure consistent and correct crankshaft end play.

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Specifications

Brand: King Engine Bearings
Part #: TW254AM025
UPC: 611500444128

King Engine Bearings Fiat 750 Thrust Washer Set

Name: King Engine Bearings Fiat 750 Thrust Washer Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-fiat-750-thrust-washer-set-t14-493935
Price: 6.14 USD
Availability: BackOrder

$6.14

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King Engine Bearings Fiat 750 thrust washer set. This set is 0.025 inches undersize.

Key Features

This thrust washer set is 0.025 inches undersize.
Controls crankshaft end play to prevent excessive movement.
Helps maintain proper crankshaft alignment within the engine block.
Designed for use in Fiat 750 engines during rebuilds.
From a popular manufacturer of engine bearings.

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About this part

Product Details

This King Engine Bearings thrust washer set is built to a 0.025 inch undersize specification, meaning it's intended for crankshafts that have been machined down by that amount during an engine rebuild. These washers are crucial for controlling the end play of the crankshaft, preventing it from moving too far forward or backward within the engine block. Proper end play is vital for the longevity of your engine's rotating assembly, ensuring the crankshaft stays properly aligned and doesn't damage other components.

King Engine Bearings is a well-known name in engine bearings, and this thrust washer set is made to their standards for reliable performance. They are designed to handle the pressures and friction encountered in the engine's bottom end, helping to keep your Fiat 750's engine running smoothly. When rebuilding an engine, using matched and correctly sized thrust washers is a key step to achieving a solid foundation for your build.