What is the purpose of the elastomer rings in a crankshaft damper?

The elastomer rings are designed to absorb torsional vibrations that occur in the crankshaft. This dampening action protects the crankshaft itself and other engine components from excessive stress and potential damage.

What do the durometer numbers (80/80/70) mean?

The durometer numbers refer to the hardness of the rubber material used in each ring. A higher number indicates a harder material, which is chosen based on the specific vibration frequencies and loads the damper is intended to manage.

When should I replace the elastomer kit in my crankshaft damper?

It's common to replace the elastomer kit when servicing or rebuilding an engine, especially if the existing damper shows signs of age or wear. Replacing worn elastomers ensures the damper can effectively perform its vibration-dampening function.

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Specifications

Brand: ATI
Part #: ATI918970-80
UPC: 800157035203

ATI Elastomer Kit - 2 Ring - 7 - w/80/80/70

Name: ATI Elastomer Kit - 2 Ring - 7 - w/80/80/70
Brand: ATI
SKU: ati-ati-elastomer-kit-2-ring-7-w-80-80-70-t14-361652
Price: 41.91 USD
Availability: BackOrder

$41.91

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

This is a 2-ring elastomer kit.
Features elastomer rings with durometer ratings of 80, 80, and 70.
Designed to absorb torsional vibrations from the crankshaft.
Helps protect engine components from excessive stress and wear.

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About this part

Product Details

This ATI Elastomer Kit features a 2-ring design with specific durometer ratings of 80, 80, and 70. These elastomer components are crucial for the proper functioning of your crankshaft damper, absorbing torsional vibrations that travel down the crankshaft. By effectively dampening these vibrations, the kit helps protect other engine components from excessive stress and wear, contributing to overall engine longevity and smoother operation.

The specific durometer values (80, 80, 70) indicate the hardness of the rubber material used in each ring. These precise ratings are chosen to match the intended vibration frequencies and loads for which the damper is designed. Replacing worn or degraded elastomers with a fresh kit like this one is a common practice when rebuilding or servicing an engine, ensuring the damper can perform its job effectively. This kit is designed to fit specific ATI dampers, so confirming compatibility with your existing unit is important.