BPT has the best $$$ value carburetor kits available! This kit features all top quality components including high flow .110" needle & seats with nylon gaskets, high flow power valve, 2-30cc and 1-50cc accelerator pump diaphragms, blue non-stick bowl and metering block gaskets, nylon reusable bowl screw gaskets, carburetor mounting gasket, air filter gasket, and misc. clips, pins and hardware. Fits Holley AED, BG, Demon, Grant, QFT, and other similar 390-1000 CFM model 4150 double pumper performance carburetors. please see our store listings for a complete selection of kits & hardware for Holley carburetors.