ATI Damper 8.275in Aluminum LW 8/4-Groove 3 Ring (19972013 Corvette & Chevy SS / 20082009 G8) ATI917309
High-Capacity Dual-Groove Damper for Corvette, Chevy SS & Pontiac G8
The ATI 8.275-inch Aluminum Lightweight Super Damper (part ATI917309) is built for 19972013 Corvettes, the Chevy SS, and 20082009 Pontiac G8 LS platforms. Featuring an 8/4-groove pulley layout and 3-ring damper design, this model provides superior torsional control and added capacity for auxiliary belt drives, making it ideal for high-output and supercharged LS builds. The larger 8.275-inch diameter enhances damping efficiency under extreme load while maintaining smooth accessory operation.
Performance Highlights
- 8.275-inch outer diameter delivers maximum harmonic control for high-RPM engines
- Dual 8/4-groove pulley setup supports accessory and supercharger belt drives
- Lightweight aluminum shell reduces rotating mass while maintaining strength
- 3-ring damper construction ensures precise vibration suppression
- Perfect for forced-induction and high-horsepower LS builds
Quick Specs
- Outer Diameter: 8.275 inches
- Material: Aluminum (Lightweight)
- Design: 3-Ring, Dual 8/4-Groove Pulley
- Engine Compatibility: LS1 / LS2 / LS3
- Applications: 19972013 Corvette, 20142017 Chevy SS, 20082009 Pontiac G8
- Part Number: ATI917309
Why Choose ATIs 8.275in Dual-Groove Super Damper?
The ATI 8.275in Aluminum LW Super Damper offers expanded drive capability for high-performance LS applications. Its dual-groove layout allows integration of supercharger or accessory systems without sacrificing reliability. The larger diameter increases damping efficiency, protecting the crankshaft and bearings in aggressive race or street conditions while still offering responsive throttle performance.
Frequently Asked Questions
Who benefits most from the 8.275in damper?
This damper is designed for supercharged or high-RPM LS builds where additional belt drive support and stronger torsional damping are essential.
Can this damper replace smaller factory units directly?
Yes. It fits standard LS front drive systems but provides greater harmonic control. Some setups may require a slightly longer belt due to the larger diameter.
Is this damper suitable for street use?
Absolutely. Despite its race-ready design, it delivers smooth, quiet operation and long-term reliability for high-performance street cars.
Does this damper support supercharger systems?
Yes. The 8/4 dual-groove pulley layout is ideal for belt-driven superchargers and auxiliary systems.
Is this damper pre-balanced?
Yes. All ATI Super Dampers are factory-balanced and SFI 18.1 certified for safety and precision.
Vehicle Fitment
- 1997 Chevrolet Corvette LS1
- 1998 Chevrolet Corvette LS1
- 1999 Chevrolet Corvette LS1
- 2000 Chevrolet Corvette LS1
- 2001 Chevrolet Corvette LS1 / LS6
- 2002 Chevrolet Corvette LS1 / LS6
- 2003 Chevrolet Corvette LS1 / LS6
- 2004 Chevrolet Corvette LS1 / LS6
- 2005 Chevrolet Corvette LS2
- 2006 Chevrolet Corvette LS2
- 2007 Chevrolet Corvette LS2
- 2008 Chevrolet Corvette LS3
- 2009 Chevrolet Corvette LS3
- 2010 Chevrolet Corvette LS3
- 2011 Chevrolet Corvette LS3
- 2012 Chevrolet Corvette LS3
- 2013 Chevrolet Corvette LS3
- 2014 Chevrolet SS LS3
- 2015 Chevrolet SS LS3
- 2016 Chevrolet SS LS3
- 2017 Chevrolet SS LS3
- 2008 Pontiac G8 GT / GXP LS2 / LS3
- 2009 Pontiac G8 GT / GXP LS2 / LS3
Contact Beefcake Racing
Beefcake Racing is your trusted source for ATI Super Dampers and LS performance upgrades. For product assistance or custom fitment questions, email sales@beefcakeracing.com or call 1-855-827-7223. Our experts are ready to help you build it right the first time.
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