What material is this crankshaft damper made from?

This ATI Shell Assy is constructed from aluminum. This material choice helps keep the damper lightweight while still providing the necessary strength for its function.

How many grooves does this damper have for accessory belts?

The damper features 6 grooves, which allows for the drive of multiple accessory belts on your engine.

What is the purpose of the 3 rings on this damper?

The 3 rings are part of the harmonic balancing system. They work to absorb and cancel out torsional vibrations from the crankshaft, helping to protect it from damage.

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Specifications

Brand: ATI
Part #: ATI917071-44
UPC: 800157063664

ATI Shell Assy - 6.78 - Alum - 6 Grv - 3/8 Holes - 3 Ring

Name: ATI Shell Assy - 6.78 - Alum - 6 Grv - 3/8 Holes - 3 Ring
Brand: ATI
SKU: ati-ati-shell-assy-6-78-alum-6-grv-3-8-holes-3-ring-t14-361193
Price: 403.88 USD
Availability: BackOrder

$403.88

On Backorder

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

ATI 6.78" aluminum crankshaft damper with 6 grooves and 3 rings. Verified fitment.

Key Features

Fits specific applications; check manufacturer fitment data.
6.78-inch diameter aluminum shell.
Features 6 grooves for accessory belt drive.
Includes 3 rings for harmonic balancing.
3/8-inch mounting holes.

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About this part

Product Details

This ATI Shell Assy features a 6.78-inch diameter and is constructed from aluminum, making it a strong yet lightweight option for your engine. It's designed with 6 grooves for accessory belt drive and includes 3 rings for added harmonic balancing. The 3/8-inch holes are standard for many accessory mounting applications.

Built with ATI's reputation for well-made performance parts, this damper is designed to handle the stresses of a performance engine. The aluminum construction helps reduce rotational mass, while the multi-ring design effectively dampens torsional vibrations. This helps protect your crankshaft from damaging harmonics, especially in modified or high-performance applications.

This damper is a direct replacement for specific applications, ensuring it fits right without extensive modification. Always consult your vehicle's service manual or a qualified mechanic to confirm compatibility and proper installation procedures.