Direct Replacement Components to turn a street carburetor into a high-performance carb: get that extra performance out of your ride in less than 30 minutes! Add up to 25-50 HP with PROFORMs 100% NEW, high-performance carburetor main body (no re-built comp

Product Features:

• For Use with Holley 4150 850 CFM Gas Carb
• Requires 1-3/4 Throttle Body
• No Air Horn
• Adjustable Air Bleeds and High-Performance Down-Leg Boosters
• Comes with Gaskets and Jet Kit