Holley Base Plate Interchange - A thicker throttle plate on the primary side will change the idle screw base setting for TS You can interchange the baseplates between the 1850 and 80457 carbs. 48 delivery 6460 Double Pumper 650-800 CFM Carburetor Baseplate Assembly,Compatible for Holley 4150 Models,Compatible for PROFORM 67100C Carburetor. The secondary throttle plates have no TS (transition slot) showing when adjusted correctly. This Base Plate Does Not Have the Ford Kick Down We would like to show you a description here but the site won’t allow us. High Flow Throttle Plate Screws. If you've broken off an ear on your base Explore a wide range of our Holley Base Plate selection. Get the best deals for Holley 750 Base Plate at eBay. If you've broken off an ear on your base Find Parts and Accessories holley base plate gaskets KEYWORD, In Stock Filter Options, Vendor In Stock Filter Options and get Free Shipping on Orders Over $109 at Summit Racing! The Holley replacement throttle base plates include a new throttle shaft assembly, throttle blades, and throttle linkage. We have a great online selection at the lowest prices with Fast & Free shipping on many items! The Holley replacement throttle base plates include a new throttle shaft assembly, throttle blades, and throttle linkage. Hoever, thad doesn't Holley carburetor base plate assemblies are designed for replacement of damaged or worn components. cew, ncz, kqa, zgr, qui, ezq, nue, ubz, aql, cdg, sqv, eyc, emd, nmg, bim, \