This stage 4 clutch is sprung, allowing for a smoother drive, making it safe for both road and track This clutch can be used on both road and track, ideal if you drive to track events Sprung for smoother gear changes at higher horsepower Allows an increase of up to 250% torque capacity Safe for road Non slip clutch Six puck sprung disc The competition Clutch Stage 4 (sprung) is the clutch for you if you have a car with a lot of modifications and drive it both on the road and the track. It allows for a 250% increase in the stock torque capacity.