Upgrade your carb with PROFORM new Billet Throttle Base Plate! Made from solid billet construction versus die cast aluminum for added strength and durability this base plate comes with button torx head throttle plate screws, adjustable secondary air flow
Product Features:- Fits Holley 4150 and PROFORM 850/950/1050 CFM Mechanical Secondary Carburetors/Main Bodies
- Made from High-Quality Billet Aluminum
- Includes Button Torx Head & Plate Screws