What is the primary function of a crank hub and inner shell?

A crank hub and inner shell assembly works with your harmonic balancer to absorb torsional vibrations from the crankshaft. This helps protect the engine's rotating assembly from damage caused by these vibrations, especially in higher-performance applications.

What material is this ATI crank hub and inner shell made from?

This ATI crank hub and inner shell is constructed from steel, offering a strong and durable component for your engine.

Is this part a direct replacement for all Chevy Big Block engines?

This specific part is designed for 5.43 inch Chevy Big Block engines. It's important to verify your engine's specific dimensions and requirements to ensure proper fitment.

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Specifications

Brand: ATI
Part #: ATI916890
UPC: 800157023422

ATI Crank Hub & Inner Shell - Steel - 5.43 Chevy BB

Name: ATI Crank Hub & Inner Shell - Steel - 5.43 Chevy BB
Brand: ATI
SKU: ati-ati-crank-hub-inner-shell-steel-5-43-chevy-bb-t14-361074
Price: 160.88 USD
Availability: BackOrder

$160.88

On Backorder

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

Key Features

Fits 5.43 inch Chevy Big Block engines.
Steel construction for durability.
Helps manage crankshaft torsional vibrations.
Protects the engine's rotating assembly.

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About this part

Product Details

This is the ATI Crank Hub & Inner Shell, part number 916890, designed for 5.43 inch Chevy Big Block engines. It's a well-built component that works with your crankshaft to manage torsional vibrations, helping to protect your engine's rotating assembly from damage.

Constructed from steel, this hub and inner shell assembly is made to handle the stresses found in performance applications. Proper installation of this component is key to ensuring it effectively dampens vibrations, which can extend the life of your crankshaft and other critical engine parts. It's a solid option for anyone rebuilding or upgrading their Chevy Big Block's front end.