Holley Inc. operates as designer, manufacturer, and marketer of automotive aftermarket products for car and truck enthusiasts in the United States, Canada, Europe, and China. Its products span various automotive platforms and sells across multiple channels. The company's performance automotive products include carburetors, fuel pumps, fuel injection systems, nitrous oxide injection systems, superchargers, exhaust headers, mufflers, distributors, ignition components, engine tuners, automotive performance plumbing products; and exhaust products, as well as shifters, converters, transmission kits, transmissions, tuners, and automotive software. It also offers brakes and brake systems, vehicle restoration parts, helmets, head and neck restraints, seat belts, fire suits, and electronic control and monitoring systems. The company sells its products under the Holley, Holley EFI, MSD, Simpson, Powerteq, Accel, and Flowmaster through DTC, E-tailer, warehouse distributor, traditional retailer, and jobber/ installer channels. Holley Inc. was founded in 1903 and is headquartered in Bowling Green, Kentucky.