ATI 14% Overdrive Super Damper – LS9 Corvette ZR1
ATI 14% Overdrive Super Damper for the LS9 ZR1
Increase supercharger drive speed while maintaining proper crankshaft vibration control with ATI’s LS9 Super Damper. This 14-percent overdrive unit installs in the factory damper location on the 2009–2013 supercharged Corvette ZR1.
Features
- 14% supercharger-drive overdrive
- True torsional vibration damping across the operating range
- Designed for modified LS9 combinations producing more power than stock
- SFI 18.1 certified for competition use
Pulley ratio changes affect boost, belt speed, supercharger speed, fuel demand, and calibration requirements. Confirm the complete upper/lower pulley ratio and supporting modifications with SMG before ordering.
Processing & Shipping Overview
Processing occurs before shipping.
Most in-stock items typically process within 2–3 business days before shipment or pickup. Expedited shipping options affect transit time after an order ships and do not speed up processing.
Made-to-order, special-order, vendor drop-ship, and freight items require additional processing time before shipping. Any extended lead times will be noted on the product page when applicable.
For the most up-to-date order status or lead time questions, please contact sales@smgspeed.com or use live chat during business hours.