Engineered for Maximum Horsepower & Durability

  • Air Supremacy Design – The Wilson 4500 flows massive air volume with redesigned internals and reduced overall mass for peak high-RPM power.

  • Flow Performance Breakdown:

    • Throttle Body Only – 1745 CFM

    • With 1" Tapered Spacer – 1875 CFM

    • With 1.5" Tapered Spacer – 1880 CFM

    • With 2" Tapered Spacer – 1890 CFM

  • Compatible with Wilson Billet Spacers – Designed to work in tandem for maximum flow and throttle response.

  • Stainless Steel 3-Way Adjustable Linkage – Precision-machined for strength, adjustability, and reliability under extreme conditions.

  • Sealed Roller Bearings – Replaces bushings to eliminate wear and air leaks, ensuring long-term consistent performance.

  • Slim Throttle Shafts – Machined to reduce cross-sectional area and increase net airflow.

  • Aircraft-Grade Blade Fastening – Throttle blades are Loctited and peened for secure, high-RPM retention.

  • Tapered & Radiused Bores – Developed using cutting-edge modeling to optimize airflow per square inch for maximum horsepower.

  • Inward Opening Throttle Blades – Minimizes directional turbulence and improves air distribution at part throttle.

  • Built-In TPS & IAC Provisions – Holley plug-style TPS is pre-installed. IAC port included; block-off plate comes standard. Sensor sold separately.

  • Billet 6061-T6 Aluminum Body – CNC-machined for lightweight strength, repeatable tolerances, and superior heat resistance.

  • Compact Profile – Stands 2 5/8" tall, allowing for flexible packaging in engine bays.

SKU WI473200
Brand WILSON MANIFOLDS

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