Engineered for Maximum Horsepower & Durability
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Air Supremacy Design – The Wilson 4500 flows massive air volume with redesigned internals and reduced overall mass for peak high-RPM power.
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Flow Performance Breakdown:
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Throttle Body Only – 1745 CFM
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With 1" Tapered Spacer – 1875 CFM
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With 1.5" Tapered Spacer – 1880 CFM
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With 2" Tapered Spacer – 1890 CFM
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Compatible with Wilson Billet Spacers – Designed to work in tandem for maximum flow and throttle response.
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Stainless Steel 3-Way Adjustable Linkage – Precision-machined for strength, adjustability, and reliability under extreme conditions.
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Sealed Roller Bearings – Replaces bushings to eliminate wear and air leaks, ensuring long-term consistent performance.
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Slim Throttle Shafts – Machined to reduce cross-sectional area and increase net airflow.
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Aircraft-Grade Blade Fastening – Throttle blades are Loctited and peened for secure, high-RPM retention.
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Tapered & Radiused Bores – Developed using cutting-edge modeling to optimize airflow per square inch for maximum horsepower.
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Inward Opening Throttle Blades – Minimizes directional turbulence and improves air distribution at part throttle.
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Built-In TPS & IAC Provisions – Holley plug-style TPS is pre-installed. IAC port included; block-off plate comes standard. Sensor sold separately.
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Billet 6061-T6 Aluminum Body – CNC-machined for lightweight strength, repeatable tolerances, and superior heat resistance.
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Compact Profile – Stands 2 5/8" tall, allowing for flexible packaging in engine bays.