Holley, Inc. is engaged in the design, manufacturing and marketing of high-performance products for automotive enthusiasts. The Company owns and manages a portfolio of brands, catering to a diverse community of enthusiasts passionate about the customization and performance of their vehicles. It is a manufacturer of a diversified line of performance automotive products, including carburetors, fuel pumps, fuel injection systems, nitrous oxide injection systems, superchargers, exhaust headers, mufflers, distributors, ignition components, engine tuners and automotive performance plumbing products. It is also a manufacturer of exhaust products as well as shifters, converters, transmission kits, transmissions, tuners and automotive software. The Companys products are designed to enhance street, off-road, recreational and competitive vehicle performance through increased horsepower, torque and drivability. Its brands include Holley EFI, Holley, MSD, Simpson, and Flowmaster, among others.