What does 'undersize' mean for this crank hub?

An undersize crank hub is manufactured to slightly smaller dimensions than a standard hub. This is often necessary for specific engine builds where clearances are tight or to accommodate other components that have been machined to a specific size.

What is the purpose of the timing tab?

The timing tab is a reference marker used in conjunction with the crankshaft pulley to set engine ignition timing. This specific hub includes a timing tab designed for Chevy front crankshaft applications.

What material is this crank hub made from?

This crank hub is constructed from steel, which offers good strength and durability for engine components.

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Specifications

Brand: ATI
Part #: ATI916560U
UPC: 800157023132

ATI Crank Hub - Steel - Undersize Ford SB/6 Cyl - Chevy Frt C Timing Tab

Name: ATI Crank Hub - Steel - Undersize Ford SB/6 Cyl - Chevy Frt C Timing Tab
Brand: ATI
SKU: ati-ati-crank-hub-steel-undersize-ford-sb-6-cyl-chevy-frt-c-timing-tab-t14-360911
Price: 181.58 USD
Availability: BackOrder

$181.58

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 for Ford SB/6 Cyl and Chevy Frt C Timing Tab. Undersize design for specific applications.

Key Features

Fits Ford SB/6 Cyl and Chevy Frt C Timing Tab applications.
Steel construction for durability.
Undersize design for specific fitment needs.
Includes a timing tab for Chevy front crankshaft applications.

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About this part

Product Details

ATI is known for making robust performance engine components, and this steel crank hub is a prime example. This particular hub is designed for Ford Small Block and 6-cylinder engines, as well as Chevy applications with a front crankshaft timing tab. It's an undersize version, meaning it's built to specific tolerances for certain engine builds where a standard size might not be ideal.

Crafted from strong steel, this crank hub is built to handle the demands of engine operation. The inclusion of a timing tab for Chevy front crankshaft applications means it's a versatile part that can serve multiple purposes in a performance engine build. When you're working on the front of your engine, ensuring the crank hub is properly sized and securely mounted is key to accurate timing and overall engine health.