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ATI supercharger pulley sized 8.88 with 11 serpentine grooves for the 2019 ZR1 LT5, specified with a 10 percent overdrive. This unit is offered for LT5 supercharger applications where an altered drive ratio is desired; it keeps the 11-rib serpentine interface while providing the 10% overdrive characteristic noted in the source for the 2019 ZR1 model.
ATI Pulley - Supercharger - 8.88 - 11 Grv Serp - 2019 ZR1 LT5 - 10 Percent OD
