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ATI Damper - 6.78" - Aluminum - 3 Ring - 6 Groove (1992 - 1996 Y-Body Corvette LT1 & LT4) ATI917275

ATI Damper - 6.78" - Aluminum - 3 Ring - 6 Groove (1992 - 1996 Y-Body Corvette LT1 & LT4) ATI917275

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Item#:
APPATI917275
Price: $498.50
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UPC:
800157029813
Availability:
Special order
LTL:
N
MPN:
ATI917275
Product ID:
361283
Proposition 65:
N
Category:
Engine Components>Crankshaft Dampers
Core:
N
Clearance Item:
N

ATI Damper – 6.78in – Aluminum – 3 Ring – 6-Groove (LT1 & LT4 / 1992–1996 Y-Body Corvette) – ATI917275

Lightweight Aluminum Harmonic Damper for LT1 & LT4 Corvette Engines

The ATI 6.78-inch Aluminum Super Damper (part ATI917275) is precision-built for 1992–1996 Y-Body Corvette LT1 and LT4 engines. The smaller diameter and lightweight aluminum construction reduce rotating mass for faster throttle response while maintaining stable crankshaft control at high RPM. Ideal for performance-tuned street and track Corvettes looking to free up acceleration without compromising reliability.

Performance Highlights

  • 6.78-inch outer diameter for reduced rotational inertia and quicker engine revs
  • Aluminum lightweight shell minimizes front-end mass
  • 3-ring damper design maintains consistent harmonic control
  • 6-groove pulley layout fits factory LT1/LT4 accessory systems
  • Built for high-performance street and track use

Quick Specs

  • Outer Diameter: 6.78 inches
  • Material: Aluminum
  • Design: 3-Ring, 6-Groove Pulley
  • Engine Compatibility: LT1 / LT4
  • Application: 1992–1996 Chevrolet Corvette (Y-Body)
  • Part Number: ATI917275

Why Choose an Aluminum ATI Super Damper?

ATI’s aluminum dampers are designed for enthusiasts who value responsive acceleration and efficient power delivery. By reducing rotational mass, this unit lets LT1 and LT4 engines rev quicker, improving throttle response and drivability. It’s a perfect choice for naturally aspirated builds or lightweight Corvettes focused on handling and performance balance.

Frequently Asked Questions

Is this damper lighter than the 7.425in steel version?

Yes. The aluminum shell significantly reduces rotating mass, improving engine response and acceleration compared to the heavier steel damper.

Does this fit all 1992–1996 Corvette LT1 and LT4 models?

Yes. It’s designed for all Y-Body Corvettes equipped with LT1 or LT4 engines, including automatic and manual transmissions.

What type of builds benefit most from the 6.78in damper?

Lightweight or naturally aspirated setups benefit the most, especially where quick revving and crisp throttle response are priorities over absolute strength.

Do I need to retune the engine after installation?

No tune is required unless you’re changing other engine parameters at the same time. The damper does not alter engine calibration or fueling.

How often should this damper be serviced?

For regular street use, inspection every few years is sufficient. Track-driven Corvettes or high-RPM builds should inspect it more frequently for wear or heat exposure.

Vehicle Fitment

  • 1992 Chevrolet Corvette LT1 / LT4
  • 1993 Chevrolet Corvette LT1 / LT4
  • 1994 Chevrolet Corvette LT1 / LT4
  • 1995 Chevrolet Corvette LT1 / LT4
  • 1996 Chevrolet Corvette LT1 / LT4

Contact Beefcake Racing

Beefcake Racing is your source for ATI Super Dampers and other high-performance Corvette components. For ordering help or fitment questions, email sales@beefcakeracing.com or call 1-855-827-7223. Our team of enthusiasts will help you build it right the first time.

CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov