What is the main purpose of this crankshaft damper?

This ATI Shell Assy is designed to absorb torsional vibrations that travel through the crankshaft. By reducing these vibrations, it helps protect your engine's internal components from stress and can contribute to a smoother running engine.

What does '3 Ring' and 'Smooth Chevy 3 Bolt' refer to?

The '3 Ring' refers to the internal construction of the damper, which ATI uses to tune its vibration-damping capabilities. 'Smooth Chevy 3 Bolt' indicates the mounting pattern, meaning it's designed to bolt directly onto Chevy crankshafts that have a specific 3-bolt configuration.

What are the benefits of a lightweight aluminum construction?

The aluminum construction makes this damper lighter than traditional steel versions. This reduced rotational mass can contribute to a slight improvement in engine responsiveness, especially in performance-oriented applications.

Specifications

Brand: ATI
Part #: ATI917117
UPC: 800157064920

ATI Shell Assy - 8.17 - Alum LW - Smooth Chevy 3 Bolt - 3 Ring

Name: ATI Shell Assy - 8.17 - Alum LW - Smooth Chevy 3 Bolt - 3 Ring
Brand: ATI
SKU: ati-ati-shell-assy-8-17-alum-lw-smooth-chevy-3-bolt-3-ring-t14-361237
Price: 542.82 USD
Availability: BackOrder

$542.82

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

ATI 8.17" aluminum crankshaft damper for Chevy 3 bolt applications. Reduces torsional vibrations.

Key Features

Fits Chevy engines with a 3-bolt harmonic balancer setup.
Lightweight aluminum construction.
Designed to absorb torsional vibrations from the crankshaft.
Features a 3-ring internal damping design.
Smooth 3-bolt mounting pattern for direct installation.
Helps protect engine components from stress and damage.

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About this part

Product Details

This is the ATI Shell Assy, a specific type of crankshaft damper designed for Chevy engines with a 3-bolt harmonic balancer setup. Its primary job is to absorb torsional vibrations that travel down the crankshaft. These vibrations can cause stress and damage over time, especially in high-performance or modified engines. By effectively dampening these vibrations, this assembly helps protect your engine's internal components and can contribute to a smoother running engine.

Crafted from lightweight aluminum, this damper is designed to be less of a rotational mass than heavier steel alternatives, which can offer a slight improvement in engine responsiveness. The '3 Ring' designation refers to its internal construction, which ATI uses to tune its damping characteristics. This particular model features a smooth, 3-bolt mounting pattern, ensuring it bolts directly to compatible Chevy crankshafts. ATI is well-known for producing robust engine components, and this crankshaft damper is built to handle the demands of performance applications.

When installing this damper, it's important to ensure you have the correct tools and follow the manufacturer's recommended procedure. Proper installation is key to its effectiveness and longevity. This damper is a solid option if you're looking to upgrade your engine's internal protection or are building a performance engine where crankshaft integrity is paramount.