Hypercoils 14" UHT Barrel 2-1/2" I.D. Coil-Over Spring - 175 lb. 359602 Self-contained groover has built-in temperature

Self-contained groover has built-in temperature controls

expert craftsmen

Retains Stock Width To Clear Competition Headers

or Blue in sizes X-Small to 3X-Large or Kid's Sizes Small to Large

Signature black horn button with Pontiac emblem

Hypercoils 14" UHT Barrel 2-1/2" I.D. Coil-Over Spring - 175 lb. 359602 Self-contained groover has built-in temperatureOptimum 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