What is the purpose of a crank hub?

The crank hub connects the crankshaft to the harmonic balancer or crankshaft pulley. It's a critical component for ensuring the pulley spins true with the crankshaft.

What does the '3/8 inch center bore screws' specification mean?

This refers to the size of the threaded holes in the hub where the bolts that attach the harmonic balancer or pulley will thread into. It ensures you use the correct size hardware for installation.

Is this crank hub suitable for high-performance LS1 engines?

Yes, ATI is known for performance parts, and this steel crank hub is built for reliability in demanding applications, making it a solid choice for performance LS1 builds.

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Est. 1957

Specifications

Brand: ATI
Part #: ATI916031S
UPC: 800157022593

ATI Crank Hub - Steel - LS1 F Body - 3/8 Center Bore Screws

Name: ATI Crank Hub - Steel - LS1 F Body - 3/8 Center Bore Screws
Brand: ATI
SKU: ati-ati-crank-hub-steel-ls1-f-body-3-8-center-bore-screws-t14-360611
Price: 157.94 USD
Availability: BackOrder

$157.94

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 LS1 F Body engines with 3/8" center bore screws.

Key Features

Fits LS1 F Body engines.
Constructed from strong steel for durability.
Features a 3/8 inch center bore for screws.
Designed as a direct replacement for the stock crank hub.

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About this part

Product Details

ATI is well-known for making robust performance parts, and this steel crank hub is a solid example of their work for LS1 F Body engines. This part is designed to replace the stock hub, offering a strong steel construction for reliability. It features a 3/8 inch center bore for the screws, ensuring a secure fit when you install it.

When you're working on the front of your LS1 engine, especially if you're rebuilding or upgrading components, having a well-made crank hub is important. This steel version is built to handle the demands of performance applications, providing a stable foundation for your crankshaft pulley system. The 3/8 inch screw size is a specific detail that ensures compatibility with the correct hardware for a secure installation.