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Your Guide To Choosing Ford C4 Performance Racing Transmission

By October 19, 2023Blog Posts

When upgrading your vehicle’s performance, one critical component to consider is the transmission. Ford’s C4 transmission, originally produced from 1964 to 1981, has been a longstanding favorite among car enthusiasts and racers due to its lightweight, reliable, and versatile design.

This guide will focus on the Ford C4 Performance Racing Transmissions. We’ll also highlight the specifications of the Ford C4 Performance Racing Transmission to help you make an informed decision.

Why Opt For C4 Ford Transmissions?

Our Ford C4 Performance Racing Transmissions, designed with exceptional quality, durability, and performance in mind, offer a compelling choice for those seeking maximum performance from their vehicles. Whether you intend to use it for street driving or high-performance racing applications, these transmissions are engineered to handle the demands you throw at them.

One key advantage of our C4 transmissions is their ability to handle up to 450 horsepower, making them a perfect fit for enthusiasts looking to push the limits of their vehicles. Moreover, their straightforward design and high-quality components make them easy to maintain, ensuring your investment lasts for years.

Available in both two-wheel and four-wheel drive configurations, our C4 Ford Transmissions can be tailored to suit your specific vehicle and application needs. Our expert custom builders are at your service, ensuring that your transmission is built to your exact specifications.

Upgrade Your Vehicle’s Performance with Our C4 Ford Transmissions

Our C4 Ford Transmissions offer a versatile solution to elevate your vehicle’s performance to the next level. Our experienced custom builders will collaborate with you to guarantee that your transmission aligns with your unique requirements and specifications. Rest assured that our transmissions are engineered for exceptional quality and durability, promising reliable performance over the long haul.

Now that you are familiar with the significance of transmission systems, let’s focus on the Ford C4 Level 4 transmission and torque converter.

Here are some of the specifications you should focus on before you move forward:

Ford C4 – Level 4 Transmission and Torque Converter

The Ford C4 – Level 4 Transmission is a true powerhouse, engineered to deliver exceptional performance and easily handle the demands of high-performance racing. With a focus on power and durability, this transmission is designed to take your vehicle’s performance to the next level.

Let’s focus on the key specifications and features that make this Level 4 transmission stand out.

  • Horsepower and Torque

One of the standout features of the Level 4 transmission is its ability to handle substantial horsepower. With a capacity of up to 450 horsepower, this transmission is built for those who demand raw power from their vehicles. The custom-built and custom-stalled torque converter, rated at 10, ensures that the transmission can efficiently transfer power to the wheels, providing the torque needed for acceleration and performance.

  • Versatile Stall Range

The Level 4 transmission offers a versatile stall range of 1800-4000 RPM (Revolutions Per Minute). This range allows for flexibility in different driving conditions and racing scenarios. Whether you need quick acceleration off the line or sustained high-speed performance, the stall range can be fine-tuned to match your requirements.

Key Features

The C4 transmission has an array of key features that contribute to its exceptional performance and durability. These features include:

Master Overhaul Kit: A comprehensive kit that ensures all components are in optimal condition.

Raybestos Stage I Frictions: High-quality friction materials that enhance clutch engagement and durability.

Hardened Steel Plates: Reinforced plates that withstand high torque loads.

Full Billet Performance 2nd Gear Servo Piston Assembly: A precision component for improved shifting performance.

Custom Manufactured Valve Body with Shift Command: Allows full control over manual upshifts and downshifts at any MPH, giving you the power to dictate your vehicle’s performance.

High Flow Filter: Enhances fluid flow and cooling for better transmission health.

High Rev Governor Assembly: Ensures precise engine management.

Lokar Universal Shifter Linkage: Provides a smooth and accurate shifting experience.

Carbon Fiber Heavy Duty Intermediate Band: Adds strength and durability to critical components.

Kevlar Reinforced Low Reverse Band: Enhances the longevity of the transmission.

Adjustable Modulator: Allows for fine-tuning of shift points and performance.

Complete Bushing Kit: Ensures all bushings are in optimal condition.

Thrust Washer Kit: This is the key to reducing friction and wear.

New One-way Roller Clutch and Hardened Race: Enhances performance and durability.

Updated Low Reverse Servo Apply Piston: It improves shifting precision.

Heavy Duty Extra Capacity Aluminum Pan with Drain Plug: It enhances cooling and ease of maintenance.

Hardened Input Shaft: A high-strength input shaft to handle the demands of high-performance applications.

High Capacity Billet Steel Forward Clutch Drum: It increases the strength of critical components.

6 Pinion Hardened Steel Front and Rear Planetary Gear Set It ensures robust power transfer.

High-capacity third-gear clutch drum: It adds durability to the transmission.

High-capacity pump assembly with hardened gears. It improves fluid flow and overall transmission health.

Heat Treatment and Stress Relief: All internal components undergo these processes for longevity and reliability.

The Ford C4 – Level 4 Transmission is a testament to precision engineering and performance excellence. Whether you’re on the track or seeking maximum power on the street, this transmission is designed to deliver. Its impressive horsepower capacity, versatile stall range, and advanced features make it the choice of champions in high-performance racing.

The Gearstar Commitment

At Gearstar, our commitment to quality and customer satisfaction is unwavering. We offer the best industry warranty, providing our customers peace of mind. When you reach out to us for support, you can rest assured that you’ll receive prompt and knowledgeable assistance from our experienced transmission professionals.

To ensure the highest level of quality control, each transmission is meticulously crafted by one of our five master technicians from start to finish. Before leaving our facility, every transmission undergoes rigorous dyno testing equivalent to 100 miles of real-world use, guaranteeing flawless operation.

In conclusion, Ford C4 Performance Racing Transmissions are the epitome of versatility and reliability in automotive transmissions. With multiple levels to choose from and a range of adaptable features, these transmissions are suited for various applications, from street driving to high-performance racing.

Gearstar’s commitment to quality and customer satisfaction makes them a trusted choice for enthusiasts seeking to elevate their vehicle’s performance to new heights.


In conclusion, upgrading your vehicle’s performance with a Ford C4 Performance Racing Transmission can significantly enhance its capabilities, whether you’re using it for street driving or high-performance racing. With different transmission levels, you can tailor your selection to match your specific horsepower and torque requirements.

The Bottom Line

Gearstar’s commitment to quality, durability, and expert craftsmanship ensures that your investment will deliver reliable performance for years.

Contact us today to explore your options and elevate your vehicle’s performance to new heights.

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