Wilson Manifolds 472175 High-Flow Billet EFI Throttle Body 1287 CFM 4150 Flange

The Wilson Manifolds 472175 is a high-performance billet EFI throttle body engineered to deliver maximum airflow and throttle response for serious performance applications. Flowing 1287 CFM, this is the highest flowing 4-blade 4150 throttle body on the market, making it ideal for high-horsepower street and racing engines.

Advanced Engineering Features:

• Stainless Steel 3-Way Adjustable Linkage built for maximum strength, adjustability, and reliability under extreme racing conditions
• Sealed Roller Bearings eliminate bushings to prevent wear, leaks, and performance loss over time
• Precision 3/8" throttle shafts optimized for minimal drag and maximum airflow
• Includes IAC, TPS, and Air Temp Sensors built into the body to ease installation
• Inward-opening throttle blades eliminate directional influence caused by the blades
• Incorporates a tapered and radiused throttle bore with precisely machined progressive linkage for smooth throttle operation

Premium Construction:

• Machined from billet 6061-T6 aluminum on precision CNC machining centers for consistent quality and light weight
• Black anodized finish for corrosion resistance and professional appearance
• Fits intake manifolds with 4150 4-barrel style flange
• Four venturi, multi-port injection design
• Cable-actuated throttle operation

Compatible with Wilson Billet Spacers to add tuning flexibility and power—spacer combo increases total flow to over 1500 CFM and boosts part-throttle performance. Wilson Manifolds high-flow throttle bodies were developed using the latest computer modeling software and test equipment available to produce designs that yield the maximum flow per square inch of cross-sectional area. Proudly made in the USA.