What is the primary function of a crank hub?

A crank hub attaches to the front of your engine's crankshaft. It serves as a mounting point for other accessories, like harmonic balancers or pulleys, and helps ensure they rotate in sync with the crankshaft.

Why is the keyway important on this crank hub?

The keyway is a slot that aligns with a corresponding key on the crankshaft. This prevents the hub from spinning independently of the crankshaft, ensuring precise timing and power transfer.

What material is this crank hub made from?

This crank hub is constructed from steel, which is a strong and durable material suitable for the demanding environment of an engine's rotating assembly.

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Specifications

Brand: ATI
Part #: ATI916040K
UPC: 800157021367

ATI Crank Hub - Steel - 916040 w/3/16 Keyway Added at 180 Deg

Name: ATI Crank Hub - Steel - 916040 w/3/16 Keyway Added at 180 Deg
Brand: ATI
SKU: ati-ati-crank-hub-steel-916040-w-3-16-keyway-added-at-180-deg-t14-360620
Price: 129.55 USD
Availability: BackOrder

$129.55

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

ATI Steel Crank Hub - 916040K. A well-built component for your engine's crankshaft.

Key Features

Fits ATI Crank Hub - Steel - 916040 w/3/16 Keyway Added at 180 Deg
Steel construction for durability
Includes a 3/16 inch keyway added at 180 degrees for secure mounting

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About this part

Product Details

This is the ATI Steel Crank Hub, part number 916040K. It's a solid component designed to work with your engine's crankshaft, specifically featuring a steel construction for durability. This hub includes an added 3/16 inch keyway positioned at 180 degrees, which is a notable detail for ensuring proper alignment and secure mounting of other components to the crankshaft.

The steel construction means this hub is built to handle the stresses and vibrations inherent in an engine's rotating assembly. The added keyway is important because it provides a positive lock, preventing slippage between the hub and the crankshaft, which is crucial for maintaining accurate timing and power delivery. This is a well-made part that addresses a specific need for secure crankshaft accessory mounting.