![HYPER COIL 10" x 3.0" ID COIL OVER SPRING](http://www.portcityracecars.com/cdn/shop/products/xctmpL5goAZ_0e6a7d2c-e191-4d92-97e5-921ee34e5ec5_{width}x.jpg?v=1614008397)
Optimum Body Diameter (OBD) Hypercoils feature a unique design concept that adjusts the body diameter of the spring relative to the end coils. The OBD design enables Hyperco to take full advantage of its ultra-high tensile material by optimizing the applied stress through adjusting the spring's body diameter.
The results are in and they are simply incredible:
More Deflection
Less Weight
Increased Rate Linearity
More Resistance to Bowing
Fits All Standard Hardware
Maintains Free Length