ATI Damper 7.65in Aluminum 8 & 4 Groove OEM Size 2 Ring (20062013 Corvette LS7 & LS3) ATI918620
Super Damper for Corvette LS7 & LS3 Engines
The ATI 7.65-inch Aluminum Super Damper (part ATI918620) is engineered for 20062013 Chevrolet Corvette models equipped with the LS7 or LS3 V8 engine. This OEM-size, 2-ring damper uses an 8 & 4-groove pulley design to retain full factory accessory compatibility while providing race-level harmonic control and balance. Built from precision-machined billet aluminum and SFI 18.1 certified, the ATI918620 delivers smoother operation, enhanced reliability, and improved crankshaft protection under aggressive driving and high-RPM conditions.
Performance Highlights
- 7.65-inch outer diameter matches OEM dimensions for seamless installation
- Dual pulley setup (8 & 4 grooves) supports factory accessory drives and belt alignment
- 2-ring internal design absorbs harmful crank harmonics and reduces vibration
- Billet aluminum construction provides strength with minimal rotating mass
- Ideal for high-performance LS7 and LS3 engines in street or track applications
- SFI 18.1 certified for race-approved safety compliance
- Fully rebuildable for consistent long-term accuracy and reliability
Quick Specs
- Outer Diameter: 7.65 inches
- Material: Aluminum
- Pulley Type: Dual 8 & 4 Groove
- Design: OEM Size 2-Ring Super Damper
- Certification: SFI 18.1
- Applications: 20062013 Corvette LS7 & LS3 Engines
- Part Number: ATI918620
Why Choose ATIs OEM-Size Super Damper for the Corvette LS?
The ATI918620 Super Damper is the ultimate harmonic balancing solution for the Corvette LS7 and LS3 platforms. By retaining OEM pulley size and drive ratios, it ensures compatibility with factory belts and accessories while offering the superior vibration control needed for high-performance builds. Whether your Corvette is a street machine or track weapon, this damper delivers smoother operation, extended engine life, and maximum reliability.
Frequently Asked Questions
Is this a direct replacement for the factory damper?
Yes. The ATI918620 matches OEM dimensions, making it a direct bolt-on replacement with no modifications required.
Does it retain stock accessory belt fitment?
Yes. The 8 & 4-groove pulley design maintains full OEM belt and accessory alignment.
Can it handle track or forced induction applications?
Absolutely. Its SFI 18.1 certified and built for high-RPM and boosted LS7/LS3 performance.
Is the damper rebuildable?
Yes. Like all ATI Super Dampers, the ATI918620 is fully rebuildable for long-term durability and precision.
Vehicle Fitment
- 2006 Chevrolet Corvette Z06 7.0L LS7
- 2007 Chevrolet Corvette Z06 7.0L LS7
- 2008 Chevrolet Corvette Z06 7.0L LS7
- 2009 Chevrolet Corvette Z06 7.0L LS7
- 2010 Chevrolet Corvette Z06 7.0L LS7
- 2011 Chevrolet Corvette Z06 7.0L LS7
- 2012 Chevrolet Corvette Z06 7.0L LS7
- 2013 Chevrolet Corvette Z06 7.0L LS7
- 2008 Chevrolet Corvette 6.2L LS3
- 2009 Chevrolet Corvette 6.2L LS3
- 2010 Chevrolet Corvette 6.2L LS3
- 2011 Chevrolet Corvette 6.2L LS3
- 2012 Chevrolet Corvette 6.2L LS3
- 2013 Chevrolet Corvette 6.2L LS3
Contact Beefcake Racing
Beefcake Racing carries the complete line of ATI Super Dampers and premium LS performance components. For assistance choosing the right damper or to place an order, email sales@beefcakeracing.com or call 1-855-827-7223. Our experts can guide you to the ideal solution for your LS-powered Corvette.
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