When it's time to rebuild your Demon™, Claw™ or HOLLEY® carburetor, look no further than Demon Fuel Systems. Our rebuild kits include every possible gasket and seal you'll need along with many parts not included in other kits like detailed instructions and a power valve. Each kit covers virtually every carburetor in the listed "family". Available with red non–stick gaskets or reusable Buna gaskets for fuel bowl, metering block, and bowl screws.
Carburetor Rebuild Kit - 4150 Mechanical Secondary (Gas)