The OEM Ford 10.25 Ford Posi Clutch Kit is specifically designed for the F250 & F350 trucks, featuring a bore diameter of 10.25. Made in the United States, this traction unit is a genuine Ford product, ensuring quality and compatibility with your vehicle. With a rear placement on the vehicle, this clutch kit is tailored for optimal performance and durability, making it a reliable choice for your Ford truck. new inbox never opened or used