Kit includes a carburetor with updated fuel delivery pots and idle screws, teardrop air cleaner assembly, mounting hardware, fuel line, clamps, overflow line, one extra intermediate jet and two main jets, VOES tubing (when applicable), installation and jetting instructions1-7/8" Throat at the butterfly and a 1-9/16" venturi and is recommended engines up to 100-cubic-inchMade in the USA