Electronic Fuel Regulator - 2001-Present GM 6.6L Duramax. ATS Diesel Performance was founded in 1993 and has been serving businesses, hobbyists and racing enthusiasts ever since. Located in Arvada, Colorado, ATS invents, designs, manufactures and distributes diesel truck performance products worldwide. ATS products set the standard for the industry because of their innovation and superior craftsmanship. Clint Cannon, founder, has been key to the development of ATS products and hashelped ATS earn its position as the most trusted name in diesel performance products. Clint's racing experience and vast knowledge of the industry has led ATS to become the authority on diesel performance products. Whether you use your truck for towing, off-road, or racing, ATS can provide you with the finest, most reliable and top performing products made today.Features: Electronic Fuel Regulator - 2001-Present GM 6.6L Duramax Liter: 6.6 Liter Engine Manufacturer: Duramax Fits: 2001-Present GM Duramax