What is the purpose of the elastomers in a crankshaft damper?

The elastomers in a crankshaft damper are made of rubber and are designed to absorb torsional vibrations from the crankshaft. This helps protect the engine from harmful harmonics that can cause damage over time.

How do I know if I need this elastomer kit?

If your ATI Super Harmonic Damper is old or has accumulated significant mileage, the rubber elastomers may have degraded. Signs of worn elastomers can include reduced vibration dampening or unusual engine noises related to harmonics.

What is durometer, and why are there different values in this kit?

Durometer is a measure of hardness for rubber and plastics. The different durometer values (80, 60, and 70) in this kit are specifically chosen by ATI for their dampers to provide optimal vibration absorption across a range of engine speeds and loads.

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Specifications

Brand: ATI
Part #: ATI918960-86
UPC: 800157035449

ATI Elastomer Kit - 3 Ring - 7 - w/80/60/70

Name: ATI Elastomer Kit - 3 Ring - 7 - w/80/60/70
Brand: ATI
SKU: ati-ati-elastomer-kit-3-ring-7-w-80-60-70-t14-361643
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.

ATI Elastomer Kit - 3 Ring - 7 - w/80/60/70. This kit replaces worn elastomers in your ATI damper.

Key Features

This kit contains three replacement elastomers for ATI Super Harmonic Dampers.
Includes one 80 durometer, one 60 durometer, and one 70 durometer ring.
Designed for ATI dampers that utilize a 3-ring configuration.
This kit is sized for a 7-inch diameter crankshaft damper.
Restores the vibration-dampening capabilities of your ATI crankshaft damper.

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About this part

Product Details

This ATI elastomer kit is designed to replace the rubber rings within ATI Super Harmonic Dampers. The kit includes three specific rings: one 80 durometer, one 60 durometer, and one 70 durometer. These elastomers are crucial for the damper's function, absorbing torsional vibrations from the crankshaft to protect the engine from harmful harmonics.

Over time, the rubber in a crankshaft damper can degrade, losing its ability to effectively dampen vibrations. Replacing these worn elastomers with a fresh kit from ATI restores the damper's performance. This specific kit is for ATI dampers that use a 3-ring setup and are sized for a 7-inch damper.