If you're looking to extract more horsepower out of your LSA or LT4 supercharger system these DMS overdrive pulleys are the way to go. We've manufactured a range of diameters to help meet your goals. These pulleys are designed to fit the 918856 and 918854 ATI harmonic balancers. They will work with LSA, LT4, KONG, Harrop, Magnuson and many other supercharger brands. All DMS pulleys are CNC machined from 6061 aluminum and anodized for anti-wear properties.
Not sure what size will suit you best? Give us a call, we will gladly help you pick a size. 817-286-5600
Available Sizes:
8.80" (LT4 10%, LSA 12%)
9.05" (LT4 12%, LSA 15%)
Below this line will require a DMS Idler relocation bracket on LSA setups RELO BRACKET
9.20" (LT4 15%, LSA 18%)
9.60" (LT4 20%, LSA 23%)
Below this line may require sway bar spacers on 6th Gen ZL1 and 3rd Gen CTS-V's
10.0" (LT4 25%, LSA 28%) (10 Rib will work with 8 rib setups)
Need help finding the proper belt size? Checkout our Belt Guide