What does the '.005 Undersize Bore' mean for this crank hub?

The '.005 Undersize Bore' indicates that this hub is machined to fit crankshafts that have been slightly reduced in diameter, by 0.005 inches, from their original factory size. This ensures a tight and secure fit on a machined crankshaft.

What is the primary function of a crank hub?

A crank hub's main job is to connect the crankshaft to the crankshaft damper (also known as a harmonic balancer). This connection is crucial for proper engine timing and for absorbing torsional vibrations from the crankshaft.

What material is this ATI crank hub made from?

This ATI crank hub is made from steel, which is a strong and durable material commonly used for engine components that experience significant stress.

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Specifications

Brand: ATI
Part #: ATI916043U
UPC: 800157021732

ATI Crank Hub - Steel - Chevy SB w/1.600 Crank .005 Undersize Bore

Name: ATI Crank Hub - Steel - Chevy SB w/1.600 Crank .005 Undersize Bore
Brand: ATI
SKU: ati-ati-crank-hub-steel-chevy-sb-w-1-600-crank-005-undersize-bore-t14-360624
Price: 175.95 USD
Availability: BackOrder

$175.95

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 Chevy SB engines with 1.600 crank, .005 undersize bore.

Key Features

Fits Chevy SB engines with a 1.600-inch crankshaft.
Features a .005-inch undersize bore for a precise fit on machined crankshafts.
Constructed from steel for durability.
Designed to work with crankshaft dampers.

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About this part

Product Details

ATI is known for making well-built performance drivetrain components. This steel crank hub is designed for Chevy Small Block engines that have a 1.600-inch crankshaft with a .005-inch undersize bore.

This hub is constructed from steel, offering a solid foundation for your crankshaft damper. The .005-inch undersize bore means it's specifically machined to fit crankshafts that have been machined down slightly from their original size, ensuring a snug and secure fit. This is important for maintaining proper balance and reducing vibration at higher engine speeds.

When you're rebuilding the front of your engine, getting the crank hub seated correctly is key. This ATI hub is made to fit right, helping you get your Chevy SB back on the road with confidence.