ID- 2.5″ Coil-Over Swift Spring

$ 110.00

All Swift Springs are manufactured using H5S.TW. which is far superior to typical 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.

Please see list below of available spring rates.

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Swift carries a wide range of 2.5" coil-over springs that we might not have listed or in stock. The list below are all heights and rates, if we don't have what you are looking for in stock. Email us at and we can get it ordered for you! (Most rates increase at a 25lb/Inch to 50lb/Inch rate)


ID- 2.5" - Length- 4" Rates- 300lbs to 600lbs(50lbs increments)

ID- 2.5" Length- 6" Rates- 100lbs to 175lbs(25lbs increments)

ID- 2.5" Length- 8" Rates- 100lbs to 1000lbs(25lbs increments)

ID 2.5" Legnth- 10" Rates- 100lbs to 750lbs(25lbs increments)

ID 2.5" Length- 12" Rates- 100lbs to 750lbs(25lbs increments)

ID 2.5" Length- 14" Rates- 50lbs to 650lbs(25lb increments)

ID- 2.5" Length- 16" Rates- 50lbs to 500lbs(25lb increments)

For the complete list of 2.5" Swift Springs please visit -

Unlike others, Swift designed barrel springs with ease and consistency of vehicle setup in mind, our barrel springs design have a maximum of 4" outer diameter (except B5 and B3 series)(Usually located on the center coil of the spring). Because most other manufacture 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.

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 shock body that would lead to damage on the shock adjusting perch thread.


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