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-600-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. SBC Performer aluminum intake is designed to work with Chevy 283-400 engines and has an optimal range of 1500-6500 RPM. Intake is a dual plane square bore style and works with all 4150 Holley style carburetors. Distributor features polished housing, precision weights, oversized shaft, hardened gear for hydraulic cams and adjustable vacuum advance canister to improve fuel economy. High output coil produces 50,000 volts and is good through 7500 rpm. Kit also includes Printoseal constructed intake gaskets for maximum sealing power of the intake ports. We stock many different sizes, finishes and options of Quick Fuel carburetors so give us a call if you would like to upgrade the carburetor or if you don't see what you are looking for.