Dedicated Motorsports - 8.80" 8 rib for ATI Balancer LSA/LT4 Wet Sump
DMS 8.80" Lower LSA/LT4 Overdrive Pulley for ATI Balancers
Ā
Maximize the horsepower potential of your LSA or LT4 supercharger system with the DMS Lower Overdrive Pulley. Engineered to fit 918856 and 918854 ATI harmonic balancers, these pulleys offer a range of diameters to achieve your desired boost levels. Compatible with LSA, LT4, KONG, Harrop, Magnuson, and other supercharger brands.
Key Features and Benefits:
- Increased Horsepower:Ā Overdrive design boosts supercharger RPM for significant power gains.
- Precision Machined:Ā CNC machined from 6061 aluminum for strength and accuracy.
- Anodized Finish:Ā Provides anti-wear properties and corrosion resistance for long-lasting performance.
- Wide Compatibility:Ā Works with various supercharger brands and ATI harmonic balancers.
- Expert Support:Ā Our team can help you select the optimal pulley size for your application. Contact us at 817-286-5600 for personalized assistance.
Ā
Important Notes:
- 8.80" (LT4: 10% Overdrive, LSA: 12% Overdrive)
- LSA setups using 9.20" and larger pulleys require a DMS Idler Relocation Bracket DMS 100mm Idler and Relo
- 6th Gen ZL1 and 3rd Gen CTS-V vehicles using 10.0" pulleys may require sway bar spacers.
- Visit our Belt Guide LSA Belt Guide LT4 Belt Guide to determine the correct belt size.
Fitment:
- ATI Harmonic Balancers (918856 and 918854)
- LSA Superchargers
- LT4 Superchargers
- KONG Superchargers
- Harrop Superchargers
- Magnuson Superchargers
- Other compatible supercharger brands
Installation:
Professional installation is highly recommended.
Product Information
Product Information
Shipping & Returns
Shipping & Returns



Dedicated Motorsports - 8.80" 8 rib for ATI Balancer LSA/LT4 Wet Sump
Dedicated Motorsports - 8.80" 8 rib for ATI Balancer LSA/LT4 Wet Sump
DMS 8.80" Lower LSA/LT4 Overdrive Pulley for ATI Balancers
Ā
Maximize the horsepower potential of your LSA or LT4 supercharger system with the DMS Lower Overdrive Pulley. Engineered to fit 918856 and 918854 ATI harmonic balancers, these pulleys offer a range of diameters to achieve your desired boost levels. Compatible with LSA, LT4, KONG, Harrop, Magnuson, and other supercharger brands.
Key Features and Benefits:
- Increased Horsepower:Ā Overdrive design boosts supercharger RPM for significant power gains.
- Precision Machined:Ā CNC machined from 6061 aluminum for strength and accuracy.
- Anodized Finish:Ā Provides anti-wear properties and corrosion resistance for long-lasting performance.
- Wide Compatibility:Ā Works with various supercharger brands and ATI harmonic balancers.
- Expert Support:Ā Our team can help you select the optimal pulley size for your application. Contact us at 817-286-5600 for personalized assistance.
Ā
Important Notes:
- 8.80" (LT4: 10% Overdrive, LSA: 12% Overdrive)
- LSA setups using 9.20" and larger pulleys require a DMS Idler Relocation Bracket DMS 100mm Idler and Relo
- 6th Gen ZL1 and 3rd Gen CTS-V vehicles using 10.0" pulleys may require sway bar spacers.
- Visit our Belt Guide LSA Belt Guide LT4 Belt Guide to determine the correct belt size.
Fitment:
- ATI Harmonic Balancers (918856 and 918854)
- LSA Superchargers
- LT4 Superchargers
- KONG Superchargers
- Harrop Superchargers
- Magnuson Superchargers
- Other compatible supercharger brands
Installation:
Professional installation is highly recommended.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
DMS 8.80" Lower LSA/LT4 Overdrive Pulley for ATI Balancers
Ā
Maximize the horsepower potential of your LSA or LT4 supercharger system with the DMS Lower Overdrive Pulley. Engineered to fit 918856 and 918854 ATI harmonic balancers, these pulleys offer a range of diameters to achieve your desired boost levels. Compatible with LSA, LT4, KONG, Harrop, Magnuson, and other supercharger brands.
Key Features and Benefits:
- Increased Horsepower:Ā Overdrive design boosts supercharger RPM for significant power gains.
- Precision Machined:Ā CNC machined from 6061 aluminum for strength and accuracy.
- Anodized Finish:Ā Provides anti-wear properties and corrosion resistance for long-lasting performance.
- Wide Compatibility:Ā Works with various supercharger brands and ATI harmonic balancers.
- Expert Support:Ā Our team can help you select the optimal pulley size for your application. Contact us at 817-286-5600 for personalized assistance.
Ā
Important Notes:
- 8.80" (LT4: 10% Overdrive, LSA: 12% Overdrive)
- LSA setups using 9.20" and larger pulleys require a DMS Idler Relocation Bracket DMS 100mm Idler and Relo
- 6th Gen ZL1 and 3rd Gen CTS-V vehicles using 10.0" pulleys may require sway bar spacers.
- Visit our Belt Guide LSA Belt Guide LT4 Belt Guide to determine the correct belt size.
Fitment:
- ATI Harmonic Balancers (918856 and 918854)
- LSA Superchargers
- LT4 Superchargers
- KONG Superchargers
- Harrop Superchargers
- Magnuson Superchargers
- Other compatible supercharger brands
Installation:
Professional installation is highly recommended.

