What does the .005 inch undersize bore mean for installation?

The .005 inch undersize bore indicates that this crank hub is designed to fit a crankshaft that has been machined down by 0.005 inches. This ensures a tight, secure fit, which is critical for proper operation and longevity of the engine's rotating assembly.

Is this crank hub suitable for all Chrysler 400/440 engines?

This crank hub is specifically designed for Chrysler 400 and 440 engines that utilize the OEM front external balance configuration. It's important to verify your engine's balance type before purchasing.

What is the primary function of a crank hub?

A crank hub connects the crankshaft to the harmonic balancer or other front-end accessories. It's essential for maintaining proper engine timing and dampening torsional vibrations that occur during combustion.

FEATURED BRAND = COVERKING CHECK OUT COVERKING NOW →

Questions? Call Us:631-982-0042

M-F 8AM-4PM ET

Trusted Since 1957

Est. 1957

Specifications

Brand: ATI
Part #: ATI916663U
UPC: 800157021848

ATI Crank Hub - Steel - Chrysler 400/440 OEM Frt Ext Bal .005 Undersize Bore

Name: ATI Crank Hub - Steel - Chrysler 400/440 OEM Frt Ext Bal .005 Undersize Bore
Brand: ATI
SKU: ati-ati-crank-hub-steel-chrysler-400-440-oem-frt-ext-bal-005-undersize-bore-t14-360966
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 Chrysler 400/440 engines. Features OEM front external balance and a .005 inch undersize bore.

Key Features

Fits Chrysler 400 and 440 engines.
Steel construction for durability.
Features OEM front external balance.
Includes a .005 inch undersize bore for precise crankshaft fitment.

Secure CheckoutFast Shipping631-982-0042

About this part

Product Details

This is the ATI steel crank hub, specifically made for Chrysler 400 and 440 engines. It's designed with the OEM front external balance configuration and features a .005 inch undersize bore, which is important for a precise fit during engine rebuilds. If you're working on the crankshaft assembly for these classic Mopar big blocks, this component plays a key role in ensuring proper timing and vibration dampening.

ATI is known for making well-built engine components, and this crank hub is no exception. The steel construction offers solid durability for the demands of a performance or daily driver engine. The .005 inch undersize bore means it's intended for crankshafts that have been machined to that specific dimension, ensuring a snug and secure fit that helps prevent issues down the road. This part is crucial for maintaining the integrity of your engine's rotating assembly.