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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

New designs now available for ΒΌ midget racing!