Diecast Throttle Body Assembly 1 11/16" with Steel Plates - Made from diecast aluminum this throttle body is a great replacement for your worn original. Designed for 4-corner idle and maximum air-flow. QUICK FUEL, Comes complete with: QUICK FUEL, ~ Power valve blow-out protection QUICK FUEL, ~ Adjustable secondary cam bracket QUICK FUEL, ~ replacement main body gasket and flange gasket QUICK FUEL, ~ (6) replacement mounting screws