What is the purpose of a crankshaft damper?

A crankshaft damper, like this ATI Super Damper, is designed to absorb torsional vibrations from the crankshaft. These vibrations can occur during engine operation and, if left unchecked, can lead to premature wear or damage to the crankshaft, connecting rods, and main bearings.

What does the '3-ring' design mean on this ATI damper?

The 3-ring design is ATI's specific technology for harmonic dampening. It uses multiple rings within the damper to absorb vibrations across a broader range of engine RPMs, offering improved protection compared to single-ring or non-dampened designs.

Does this damper come with a new bolt or installation hardware?

This ATI Super Damper is typically sold as the damper unit itself. It's recommended to check the manufacturer's installation instructions or contact ATI directly to confirm if any specific hardware, such as a crankshaft bolt, is included or if you need to reuse your original or purchase a new one.

Specifications

Brand: ATI
Part #: ATI917275
UPC: 800157029813

ATI Damper - 6.78in - Alum - 6 Grv - LT1 LT4 - Y Body Corvette - 3 Ring

Name: ATI Damper - 6.78in - Alum - 6 Grv - LT1 LT4 - Y Body Corvette - 3 Ring
Brand: ATI
SKU: ati-ati-damper-6-78in-alum-6-grv-lt1-lt4-y-body-corvette-3-ring-t14-361283
Price: 559.68 USD
Availability: BackOrder

$559.68

On Backorder

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Key Features

Fits LT1 and LT4 Y-Body Corvette applications.
6.78-inch diameter aluminum construction.
Features a 6-groove serpentine belt pulley system.
Includes ATI's 3-ring design for effective harmonic dampening.
Helps protect the crankshaft, connecting rods, and main bearings from torsional vibrations.
Designed for high-performance and racing applications.

This crankshaft damper is designed for LT1 and LT4 Y-Body Corvette applications. Please verify fitment with your specific vehicle and engine configuration.

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About this part

Product Details

If you're building a high-performance LT1 or LT4 engine for your Y-Body Corvette, getting the crankshaft harmonics under control is critical. This ATI Super Damper is designed specifically for those applications to manage the torsional vibrations that can damage your engine's rotating assembly. It's a well-built piece that helps ensure your engine's longevity, especially when you're pushing it hard.

This damper uses a 6-groove serpentine belt system and features a 6.78-inch diameter, which is a common size for these LS-based engines. The aluminum construction keeps the weight down, and the internal 3-ring design is ATI's proven method for absorbing harmful vibrations across a wide RPM range. This isn't just a pulley; it's a precision component that plays a key role in the health of your engine's crankshaft, connecting rods, and main bearings. Proper harmonic dampening can lead to a smoother running engine and potentially improved power delivery by reducing parasitic losses caused by engine shake.

When installing this damper, ensure you have the correct tools to remove the old unit and press the new one on securely. It's a direct replacement for your stock damper, but it's built to handle more stress. ATI is a well-known name in performance engine components, and this damper reflects their commitment to quality and performance for serious engine builds.