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Car makers don’t often collaborate on projects, especially when they’re direct competitors. However, looming government fuel economy and emissions mandates can make strange bedfellows. And so, the Ford 10R140 10-speed automatic transmission was born. It was co-developed with General Motors, although Ford apparently took the engineering lead on the design. The mission was to create a 10 speed transmission that could improve both the fuel efficiency and performance of high-horsepower engines. The resulting Ford 10R140 transmission was advanced enough to handle the power of the Ford F150, F-250, F-350, F-450, and F-550.

Like it or not, a CVT transmission is one of the most efficient gearboxes ever invented. Because there are no actual gears, optimal engine speed can be continuously maintained depending on the load. This allows for seamless acceleration under hard throttle, and lower fuel consumption when you’re just cruising. On a traditional geared transmission, a certain amount of energy gets lost every time a gear ratio is changed. This penalizes both fuel economy and performance, because the engine has to climb back to the RPMs it was just at. The Ford 10R140 10-speed transmission is designed to combine the efficiency benefits of a CVT, with the stepped feel of a traditional automatic transmission.

To create this optimal blend of performance and efficiency, the 10R140 transmission has a wide 7.39 gear ratio spread and a low 4.70 first gear for maximum performance off-the-line. Even though this Ford 10 speed automatic transmission has such a wide gear ratio, it has extremely small steps between the gears. This means the engine RPM only drops (approximately) 20% with each shift, which keeps the engine in the ideal RPM range to achieve either peak performance or efficiency (much like a CVT transmission). The Ford 10R140 also has three overdrive gears, which it can downshift from very quickly.

10R140 Transmission Gear Ratios

First – 4.70
Second – 2.99
Third – 2.15
Fourth – 1.80
Fifth – 1.52
Sixth – 1.28
Seventh – 1.00
Eighth – 0.85
Ninth – 0.69
Tenth – 0.64
Reverse – 4.87

As shown above this transmission offers a beautiful shift recovery in every gear which lends itself the perfect unit for narrow power bands. This allows the use of much larger camshafts in a naturally aspirated application. If you are looking into going to a forced induction setup this shift recovery allows for larger turbo and AR housing for max performance.

Newly Designed Thermal Flow Control Filter

This 10R140 transmission has a newly designed filter has two types of media, fine and course (medium). The course media is common in most filters (orange filter paper), the fine media filtration (White paper) is the newer material. There is a thermal plate inside the filter that separates the course and fine media. When the oil is colder (higher viscosity) at startup, The fluid will flow through both the fine and course filter media.

As the fluid heats up (less viscosity) , the thermal plate will bend and restrict the coarse media section; directing most of the fluid through the fine media. Therefore catching more of the finer debris once the fluid is heated giving it a far superior filtration system.

This new Suncoast 10R140 rebuild kit comes with a new factory filter to ensure zero flow issues.

The Clutches 

Raybestos Powertrain GPZ friction plates greatly increase transmission performance and durability. This state-of-the-art friction material far exceeds OE material to withstand high stress, high temperatures and repeated cycling. GPZ's outstanding performance benefits are perfect for heavy-duty vehicles and high-stress driving. Testing of GPZ revolutionary friction material shows that it outperforms OE materials by as much as 20%. Plus, its performance improves as the power increases.


  • Withstands high horsepower
  • Greater torque capacity
  • Maintains piston travel
  • Optimum performance
  • Higher heat resistance
  • Smooth engagements
  • Enhanced shift feel

The 10R140 Rebuild Kit and its contents 

This is a complete clutch and steel module kit that fits the new Ford 10R140 Transmission. This module kit contains all of the clutches and steels necessary to rebuild your 10R140 transmission. The Ford 10R140 transmission comes standard in the Ford F-150, F-250, F-350, F-450, and F-550.

This Suncoast upgraded 10R140 transmission rebuild kit comes with new Raybestos GPZ clutches, steels, factory OEM filter and high performance overhaul kit.

This Suncoast 10R140 rebuild kit contains all the frictions and steels you will to do a clutch and steel replacement on a 10R140 transmission containing a stock count clutches and steels. This 10R140 rebuild kit was designed to be a re-clutch for a stock capacity unit utilizing the Raybestos GPZ paper and high performance steels. 




Shipping Information

  • Item Requires Shipping
  • 11.0 lbs.
  • W10.0000” x H10.0000” x L8.0000”

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