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Warehouse Clearance Wilson Manifolds Carburetor Spacer 4150 / 390 Carburetor 1.00" Tapered Lightweight (1.55" Bore) Perfect Gift [BnzZLvC3]

$48.99 $156.99 -69%

Wilson Manifolds Carburetor Spacer for 4150/390 Carburetor Wilson Manifolds presents the ultimate carburetor spacer solution for your 4150 or 390 carburetor, designed to enhance performance and airflow efficiency. This 1.00" tapered spacer, with a 1.

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Wilson Manifolds Carburetor Spacer for 4150/390 Carburetor

Wilson Manifolds presents the ultimate carburetor spacer solution for your 4150 or 390 carburetor, designed to enhance performance and airflow efficiency. This 1.00" tapered spacer, with a 1.55" bore, is crafted with precision to maximize airflow and optimize air/fuel distribution, resulting in increased horsepower. Engineered with a computer-generated variable radius taper design, this spacer ensures a seamless transition of air/fuel mixture into the plenum, improving part throttle performance and distribution.

Technical Specifications and Features

The Wilson Manifolds Carburetor Spacer is a lightweight, 1.55" bore spacer that can increase carburetor flow by up to 110 CFM. This design not only improves flow but also enhances torque, horsepower, and acceleration across the entire RPM range. The spacer is compatible with various 4-hole tapered spacer heights and is the only fully CNC machined billet spacer on the market, ensuring unmatched quality and performance. Here are some key features:
  • Up to 30+ Bolt On Horsepower: Achieve significant power gains with this high-performance spacer.
  • Improved Throttle Response: Experience smoother throttle transitions and quicker response times.

Practical Applications and Benefits

Whether you're a bracket racer, drag racer, circle track enthusiast, road racer, or marine enthusiast, the Wilson Manifolds Carburetor Spacer is a versatile solution for any application. This spacer is designed to work effectively under both part and full throttle conditions, making it ideal for a wide range of vehicles and engines. Here are some practical benefits:
  • Increased Flow Through Carburetor/Throttle Body: Experience enhanced airflow for better performance.
  • Alcohol Compatible: Reliable performance for alcohol-fueled engines.
With over 30 years of experience in manufacturing tapered spacers, Wilson Manifolds guarantees a product that will elevate your engine's performance to new heights.

What Our Customers Say

December 28, 2025

Absolutely no complaints!

Its performance is consistently top-notch.

- Cameron D..

December 28, 2025

Absolutely no complaints!

It has a great, non-slip texture.

- Olivia Davis.

December 28, 2025

Absolutely no complaints!

It has a premium look and feel.

- Wayne Washington.

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