Wilson Manifolds Tapered Spacers feature a computer generated variable radius taper design that maximizes the airflow through the carburettor and enhances air/fuel distribution for more horsepower. Part throttle performance and distribution are improved by redirecting the flow pattern created by the partially open throttle blades and gradually reducing the velocity of the air/fuel mixture entering the plenum to allow for a smoother transition into each runner; full throttle performance is improved by increased flow. Our Tapered spacers can increase flow through the carburettor/throttle body by as much as 110 CFM. Wilson Manifolds tapered spacers will increase torque, horsepower and acceleration throughout the entire RPM range.

• Up To 30+ Bolt On Horsepower
• Improves Throttle Response
• Improves Distribution
• Increases Signal To The Carburettor
• Increases Flow Through The Carburettor / Throttle Body
• Oval, Drag, Street, Marine & Towing
• Works Through The Entire RPM Range
• Light Weight Design
• Over 30 Years Experience Making Tapered Spacers
• Alcohol Compatible