Detroit TrueTrac, MagnaFuel and Gear Vendors have all renewed their class sponsorships in 2018. Gear Vendors, manufacturers of overdrive and underdrive gears for transmissions, will continue their sponsorship of the True Street class. Detroit TrueTrac and their parent company EATON, extend their longtime support of the Nostalgia Muscle Car class through their popular TrueTrac brand, while MagnaFuel, manufacturers of fuel system components, extend their support of the Open Comp class through 2018.