Dedicated Motorsports 9.60" Lower Overdrive Pulley for ATI Balancers (76108960) - LSA / LT4

Unlock more horsepower from your LSA or LT4 supercharger system with the DMS 9.60" Lower Overdrive Pulley. Designed to fit ATI harmonic balancers (models 918856 and 918854), this pulley increases supercharger RPM to deliver noticeable power gains. Compatible with LSA, LT4, KONG, Harrop, Magnuson, and other leading supercharger brands, it’s a proven upgrade for performance enthusiasts.

Key Features & Benefits

• Boosted Power: Overdrive design spins the supercharger faster for significant horsepower increases
• Precision Build: CNC?machined from 6061 aluminum for strength and accuracy
• Durable Finish: Black anodized coating resists wear and corrosion
• Broad Compatibility: Works with ATI balancers and multiple supercharger brands
• Expert Guidance: Dedicated Motorsports can assist with pulley size selection for your setup

Available Sizes & Overdrive Percentages

• 8.80" - LT4: 10% Overdrive / LSA: 12% Overdrive
• 9.05" - LT4: 12% Overdrive / LSA: 15% Overdrive
• 9.20" - LT4: 15% Overdrive / LSA: 18% Overdrive
• 9.60" - LT4: 20% Overdrive / LSA: 23% Overdrive
• 10.0" - LT4: 25% Overdrive / LSA: 28% Overdrive (10?rib compatible with 8?rib setups)

Important Notes

• LSA systems using 9.20" and larger pulleys require a DMS Idler Relocation Bracket
• 6th Gen Camaro ZL1 and 3rd Gen CTS?V vehicles running 10.0" pulleys may need sway bar spacers
• Check the DMS Belt Guide to confirm correct belt sizing

Compatibility

• ATI Harmonic Balancers (918856 and 918854)
• LSA Superchargers
• LT4 Superchargers
• KONG Superchargers
• Harrop Superchargers
• Magnuson Superchargers
• Other compatible supercharger brands

Installation

Professional installation is strongly recommended for best results.

Fitment

- Fits 2016 Cadillac CTS-V
- Fits 2017 Cadillac CTS-V
- Fits 2018 Cadillac CTS-V
- Fits 2019 Cadillac CTS-V

- Fits 2015 Chevrolet Corvette (LT4)
- Fits 2016 Chevrolet Corvette (LT4)
- Fits 2017 Chevrolet Corvette (LT4)
- Fits 2018 Chevrolet Corvette (LT4)
- Fits 2019 Chevrolet Corvette (LT4)

- Fits 2017 Chevrolet Camaro ZL1
- Fits 2018 Chevrolet Camaro ZL1
- Fits 2019 Chevrolet Camaro ZL1
- Fits 2020 Chevrolet Camaro ZL1
- Fits 2021 Chevrolet Camaro ZL1
- Fits 2022 Chevrolet Camaro ZL1
- Fits 2023 Chevrolet Camaro ZL1
- Fits 2024 Chevrolet Camaro ZL1

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