Y springs are one end open one end closed and ground.
These springs are powder coated the famous Hypercoil dark blue and are the highest quality coil springs money can buy. Do not settle for less and remember a company that only builds springs is much more likely to do it better than a company that builds and or sells practically everything for a race car.
NOTE: All springs are guaranteed to rate and to maintain their rate for the life of the spring.
Hypercoils are used by more winners than any other spring on the market in all kinds of racing.