Swift Standard Springs 1.63-1.88" ID

STANDARD COILOVER SPRINGS.

INCREASE TRACTION. LESS UN-SPRUNG MASS. MORE STROKE. INCREASED HANDLING.

SWIFT SPECIFICALLY DESIGNED A STANDARD MEASUREMENT RACE SPRINGS TO ACCOMMODATE AMERICAN RACE INDUSTRIES INCLUDING...

OVAL TRACK RACING
DRAG RACING
OFF-ROAD RACING
AND MUCH MORE!

SLIGHT DIFFERENCE IN DESIGN THAN OUR METRIC COILOVER SPRINGS.

By knowing the main characteristics that American racer demands, we designed and engineered the standard measurement springs based on data that we had collected through racers that are at the top of their sport.

SUPERIOR MATERIAL.

All Swift Springs are manufactured using (H5S.TW) which is far superior to silicone chrome steel and allows us to wind a much more responsive spring with less coils, resulting in reduced un-sprung weight and increased stroke.

UNDERSTANDING SPRING DEFLECTION.

Most of Swift 10″ and longer springs (Excluding the Drag racing springs and Conventional springs) are barrel design; the design is to solve all spring Deflection (bowing) problems. With bowing springs, you can expect spring rate inconsistency, and rubbing against the shock body that would lead to damage on the shock adjusting perch thread.

One approach to assess spring deflection would be to increase the number of coils on the springs. With more coils on the spring, you will experience less bowing motion. This is the easy and cheaper method to solve the issue. But the downside of this method is a decrease in spring stroke, increase in un-sprung mass, and will affect the overall movement of other suspension components.

BARREL DESIGN FOR EASE AND CONSISTENCY.

Unlike others, Swift designed barrel springs with ease and consistency of vehicle setup in mind, our barrel spring design has a maximum of 4″ outer diameter (except B5 and B4 series) (Usually located on the center coil of the spring). Because most other manufacturers do not design their barrel springs with this rule, most of their barrel springs outside diameter will differ from one rate to another. This creates a hard time for racers especially with tight clearances to test and see which rates will fit and which rate does not. A heavier rate spring can interfere with the suspension A-arm or other suspension components.