3 and 4 Speed Billet Transmission

Transmission Diagrams

Transform your truck or racing vehicle into a well-oiled machine with 3 and 4 speed billet transmission from SCS Gearbox. These transmissions are available in 3 different configurations: 3 speed with reverse, 4 speed aux and 4 speed with reverse. Plus, it’s geared to your specs for a perfect fit and includes an H gate… Read more »

Super Duty T/C/S 3 Speed

3 Speed Transmission

Upgrade your transmission with the power of a Super Duty T/C/S 3 speed transmission from SCS Gearbox. This transmission has both neutral and reverser switches included and features reverse, so it’s neatly packed with great features. A 2 1/16-32 spline output and 1 3/4-27 input ensure this transmission will be a perfect fit for your… Read more »

Super Duty T/C/S 4 Speed

4 Speed Transmission with reverse

Finding the perfect transmission for your car or truck is easy when you shop at SCS Gearbox. Our Super Duty T/C/S 4 speed transmission is designed to give your vehicle an upgrade when it comes to shifting gears. This transmission features a 2 1/16-32 spline output with a 1 3/4-27 input to guarantee a perfect… Read more »

Super Duty T/C/S 6 Speed

6 Speed Transmission

When you want to get the absolute best performance out of your vehicle, you need the Super Duty T/C/S 6 speed transmission from SCS Gearbox. This transmission is designed to give you complete control of your vehicle with 6 different speeds, plus neutral and reverse switches are included. There are 3 speeds with a 2… Read more »

5.333 Take Out Box

Take Out Box with Double Bearing Nose

Getting the most out of your car, truck, boat or tractor means equipping it with all the best parts, and that’s exactly what you get when you shop at SCS Gearbox. This 5.333 take out box is designed to be the perfect complement to our stellar transmissions, so you get premium performance at a reasonable… Read more »

Single Speed Twin Countershaft

Twin Countershaft - Single Speed

As important as it is to have a good gearbox in your truck, car or boat, it’s just as important to have a good way to transfer that energy where it needs to go. This single speed twin countershaft from SCS Gearbox does exactly that while giving you great performance. For easy fitment, this gearbox… Read more »

2 Speed Reduction Box

2 Speed Reduction Transmission Box

Getting the best gears for your car, truck, tractor or boat is simple when you shop for everything you need at SCS Gearbox. This 2-speed reduction gearbox is designed to give you a performance increase at a reasonable price, plus it’s made for easy installation. A 1 3/4-27 spline input and output means you can… Read more »

2 Speed Super Duty T/C/S

2 Speed Super Duty T/C/S

The best way to get prime performance out of your vehicle is to make sure it has the parts it needs, and that includes a good transmission. SCS Gearbox has the perfect answer in this 2-speed super duty T/C/S transmission. This transmission has built-in reverse thanks to the 10 Series reverser, plus you have your… Read more »

2 Speed Twin Counter Shaft

2 Speed Gearbox with reverse

Give your truck, boat or a tractor a boost in performance with this 2-speed twin counter shaft gearbox from SCS Gearbox. This gearbox is designed with a 2 1/16-32 spline output or a 1 3/4-10 output, so it will surely be a perfect fit for your vehicle. Plus, an included reverse and an optional clutch… Read more »

2 Speed Aux

2 Speed Aux Transmission

When you want the best performance out of your car, truck, boat or tractor, you need to make sure you have a gearbox that gets the job done. SCS Gearbox has exactly what you need with this 2-speed aux gearbox, designed to give you less operating noise, improved fuel efficiency and less engine wear. If… Read more »