Super Magnuson fits on LS1 LS2 LS3, fits on most American LS engines, size 1.9, currently installed on a 2013 Caprice Fully serviced and thoroughly cleaned Driven approximately 10,000 miles on the current engine Clean, no issues, thank God Complete set of accessories Magnuson water cooler Magnuson water pump with hose 14-inch intercooler tank installed with the kit Includes 3 ATI crank pulley, belts, and full set of pulleys Crank pulley size 9.17 with 8 serpentine belts Includes stage 3 camshaft, special supercharger cam profile Supercharger belt tensioner with bracket from GM Thank God, the supercharger performs well, reached good horsepower numbers, no complaints whatsoever The supercharger comes with all accessories, thank God, and all praise is due to God