Engineered for Maximum Horsepower & Durability Air Supremacy Design – Flows 1287 CFM, making it the highest flowing 4-blade 4150 throttle body on the market. Delivers incredible throttle response for peak performance. Stainless Steel 3-Way Adjustable Linkage – Built for maximum strength, adjustability, and reliability under extreme racing conditions. Sealed Roller Bearings – Eliminates bushings to prevent wear, leaks, and performance loss over time. Precision 3/8" Throttle Shafts – Optimized for minimal drag and maximum airflow. Aircraft-Grade Blade Fastening – Blades are Loctited and peened for secure, long-lasting retention even under high RPM. Tapered & Radiused Bores – Advanced design using computational modeling to maximize airflow per square inch. Inward Opening Throttle Blades – Promotes even air distribution and eliminates part-throttle directional turbulence. Built-In IAC, TPS & Air Temp Sensors – Integrated directly into the body to simplify installation and eliminate external clutter. 3 Integrated 1/8" NPT Ports – Provides flexible options for vacuum or boost signal connections. Compact Profile – At just 2 3/8" tall, it fits in tight engine bays without compromising performance. Billet 6061-T6 Aluminum Construction – CNC-machined for lightweight strength, durability, and precise tolerances. Compatible with Wilson Billet Spacers – Adds tuning flexibility and power. Spacer combo increases total flow to over 1500 CFM and boosts part-throttle performance. Flow numbers: Throttle Body Only: 1287cfm w/ 1" tapered spacer: 1455cfm w/ 1.5" tapered spacer: 1488cfm w/ 2" tapered spacer: 1516cfm Includes IAC, TPS & Air Temp Sensors built into the body to ease installation!
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