What is the main purpose of a crank hub and inner shell?

The crank hub and inner shell work together to mount the harmonic damper to the crankshaft. They ensure the damper is securely attached and properly aligned, which is crucial for controlling torsional vibrations in the engine.

Why is steel construction important for this part?

Steel offers a strong and durable material for this component, capable of withstanding the rotational forces and vibrations generated by a performance engine. This helps ensure reliable operation over time.

Does this part come with the harmonic damper?

This listing is for the ATI crank hub and inner shell assembly only. The harmonic damper is sold separately and must be compatible with this hub and your specific engine application.

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Trusted Since 1957

Est. 1957

Specifications

Brand: ATI
Part #: ATI916952
UPC: 800157023415

ATI Crank Hub & Inner Shell - Steel - 5.25 Chevy SB w/Dry Sump

Name: ATI Crank Hub & Inner Shell - Steel - 5.25 Chevy SB w/Dry Sump
Brand: ATI
SKU: ati-ati-crank-hub-inner-shell-steel-5-25-chevy-sb-w-dry-sump-t14-361104
Price: 166.84 USD
Availability: BackOrder

$166.84

On Backorder

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

ATI Crank Hub & Inner Shell for Chevy SB w/Dry Sump. Steel construction for durability.

Key Features

Fits Chevy SB engines with a 5.25-inch dry sump system.
Steel construction for a well-built component.
Designed to work with ATI dampers for proper function.

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About this part

Product Details

If you're building a high-performance Chevy small block engine with a dry sump oiling system, you'll want to pay close attention to the crankshaft. This ATI crank hub and inner shell assembly is designed to work with your specific setup, ensuring proper timing and damper function. It's made from steel, which offers a solid foundation for this critical engine component.

This assembly is intended for 5.25-inch applications on Chevy small block engines that utilize a dry sump system. The steel construction means it's well-built to handle the stresses of a performance engine. Proper installation of this hub and shell is key to the overall balance and performance of your crankshaft assembly.