Proform 67148 Billet Throttle Base Plate Features: Adjustable Secondary Air Flow Cam Bracket Solid Billet Construction Hand-Assembled In The U.S. Welded Throttle Shaft Button Torx Head Throttle Plate Screws Power Valve Blow Out Protection Slip Link Mechanical Secondary Linkage Height: 3.50 Width: 10.25 Length: 10.50 Weight: 2.00 lbs