Carburetor Rebuild Kit, Carburetor Rebuild Kit; Non Stick For Use w/4150 Double Pumper 390-850 cfm.;, Carburetor Rebuild Kit, Fits mechanical secondary Carburetors (390-850 CFM). Replaces Barry Grant(R) kit P/N 190004, and Holley(R) kit P/N 37-485 and 37-1544., Carburetor Kit, Carburetor and Installation Kit