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Portable Proform 67243 Engine Carburetor Throttle Shaft Conversion Kit For 4150/4160/4150hp Carbs Proform Pro Version [91Nxo8fE]

$24.99 $79.99 -69%

Engine Carburetor Throttle Shaft Conversion Kit Upgrade your PROFORM or Holley carburetors to new heights with our Engine Carburetor Throttle Shaft Conversion Kit. Designed for 4150/4160/4150HP carburetors with throttle bores up to 1 3/4 inches, this

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Portable Proform 67243 Engine Carburetor Throttle Shaft Conversion Kit For 4150/4160/4150hp Carbs Proform Pro Version [91Nxo8fE]

Engine Carburetor Throttle Shaft Conversion Kit

Upgrade your PROFORM or Holley carburetors to new heights with our Engine Carburetor Throttle Shaft Conversion Kit. Designed for 4150/4160/4150HP carburetors with throttle bores up to 1 3/4 inches, this kit is the perfect solution for enhancing your engine's airflow. Say goodbye to restrictive throttle shafts and hello to increased performance.

Key Features:

  • Optimize airflow with a reduced throttle shaft size
  • Includes button head Torx throttle plate screws for secure installation

Comprehensive Kit for Easy Installation

Our conversion kit is thoughtfully designed for ease of installation and superior performance. It comes complete with a universal lever and a slip link secondary activation system, ensuring a seamless and efficient setup. Each kit includes stainless steel button head screws, guaranteeing durability and resistance to corrosion. With this kit, you can expect a hassle-free installation process that will breathe new life into your carburetor.

Kit Inclusions:

  • Universal lever for improved throttle operation
  • Slip link secondary activation system for added control
  • Sold as a complete kit for a streamlined installation

Performance Enhancement at Your Fingertips

By reducing the size of the throttle shaft, our conversion kit allows for higher airflow, resulting in improved throttle response and overall engine performance. Whether you're looking to enhance your street car or performance vehicle, this kit is the perfect choice. Don't settle for average performance – upgrade your carburetor with our Engine Carburetor Throttle Shaft Conversion Kit and experience the difference.

Benefits:

  • Increased airflow for better engine performance
  • Improved throttle response for a smoother driving experience
  • Stainless steel screws for long-lasting durability

What Our Customers Say

February 5, 2026

Absolutely no complaints!

It's a very well-thought-out and high-quality product.

- Moses Z..

February 5, 2026

Absolutely no complaints!

The quality is amazing and the product is super effective.

- Gabrielle I..

February 5, 2026

Absolutely no complaints!

This product is a great find. It delivers on all fronts.

- Dominick L..

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