What is the primary function of a crankshaft damper?

A crankshaft damper, also known as a harmonic balancer, absorbs torsional vibrations from the crankshaft. This helps reduce stress on the crankshaft and other engine components, contributing to longer engine life.

What does the 6-groove pulley design mean?

The 6-groove pulley design allows for the use of multiple accessory belts. This is common in applications that drive several components like the alternator, power steering pump, and air conditioning compressor.

What are the 5/16 inch holes on this damper used for?

The 5/16 inch holes are typically used for mounting additional accessories or for specific trigger wheel setups that work with engine management systems to track crankshaft position.

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Specifications

Brand: ATI
Part #: ATI917071CS-44X
UPC: 800157063725

ATI Shell Assy - 6.78 - Alum - 6 Grv - CS 5/16 Holes

Name: ATI Shell Assy - 6.78 - Alum - 6 Grv - CS 5/16 Holes
Brand: ATI
SKU: ati-ati-shell-assy-6-78-alum-6-grv-cs-5-16-holes-t14-361199
Price: 403.88 USD
Availability: BackOrder

$403.88

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ATI 917071CS-44X aluminum crankshaft damper. 6.78 inch diameter, 6-groove pulley.

Key Features

Fits ATI 917071CS-44X crankshaft damper.
Constructed from aluminum for reduced weight.
Features a 6.78 inch diameter.
Includes a 6-groove pulley design for multiple belt applications.
Equipped with 5/16 inch holes for mounting or trigger setups.

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About this part

Product Details

ATI is well-known for making high-performance harmonic balancers and dampers. This particular shell assembly, part number 917071CS-44X, is a 6.78-inch diameter aluminum unit designed to help manage torsional vibrations in your engine's crankshaft.

This damper features a 6-groove pulley design, meaning it can accommodate multiple accessory belts. The aluminum construction helps keep rotational mass down, which can be beneficial for engine response. It also includes 5/16 inch holes, often used for mounting additional components or for specific timing trigger setups. Proper crankshaft dampening is crucial for engine longevity, as it absorbs the shockwaves generated by combustion and reduces stress on the crankshaft and other rotating assembly components.