Feuling

Feuling Parts, an American engineering and manufacturing company that produces high-performance aftermarket engine components for American V-twin motorcycles, particularly Harley-Davidson models. 
Company Profile
•    Core Business: Feuling specializes in the research, development, and manufacture of internal engine components designed to enhance performance, reliability, and longevity.
•    Key Products: Their product line includes oil pumps, camshafts (such as the "Reaper" series), lifters, camplates, pushrods, fuel injectors, and cylinder head components.
•    History: The company was founded by Jim Feuling, an inventor and engine designer who held over 100 patents in the field of internal combustion engines and fluid dynamics.
•    Legacy: Feuling R&D has a history of working with and licensing technology to major manufacturers like Ford, General Motors, Harley-Davidson, Chrysler, and Nissan. Their engineering work contributed to the development of the Cadillac Northstar engine platform and several land speed records.
•    Notable Innovations: The company is known for innovations such as the patented Centerfire cylinder heads and the experimental W3—a 150-cubic-inch, three-cylinder motorcycle engine based on the Harley-Davidson Twin Cam design.