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 cam bracket, timed and full vacuum tubes for accessories and tuning, slip link mechanical secondary linkage, and power valve blow out protection! Product Details: Component for use on Holley 850, 950, and 1050 CFM Holley® Double Pumper® with Mechanical Secondary applications.

PROFORM is a registered trademark of Specialty Auto Parts USA, Inc. Holley® and Double Pumper® are registered trademarks of Holley Performance Products, Inc. No carburetor products sold under the PROFORM® trademark, including such parts as may fit with or replace a Holley® part number application, are designed, made, or endorsed by Holley Performance Products, Inc. or any other carburetor manufacturer.

Features:

• Fits Holley® 4150 and PROFORM® 850/950/1050 CFM Mechanical Secondary Carburetors/Main Bodies
• 1.750" Throttle Bore Holes
• Made from High-Quality Billet Aluminum
• Includes Button Torx Head & Plate Screws
• Sold Individually