Quick fuel carburetors are amongst the highest quality carburetors on the market. They are hand assembled and engine tested here in the USA. Carburetor has been tumble polished for a beautiful long lasting shine. The SL-450-VS is a vacuum secondary carburetor with electric choke. Other standard features include changeable idle air & high speed bleeds, changeable primary idle feed restrictions, changeable power valve channel restrictions, notched secondary float for jet extensions and built-in sight glasses for easy float adjustment. Carburetor is equipped with universal throttle levers to accommodate Ford A/T kickdown, GM 700 R4 mounting holes, and ability to mount brackets for Chrysler vehicles. We are a stocking Quick Fuel distributor and offer many different sizes, finishes and options so give us a call if you don't see what you are looking for.