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Swift Springs

SKU: 080-250-100

Swift Springs Standard Coilover Spring (Straight Type) - ID: 2.5" / Length: 8"

$102.85 $121.00 On Sale
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INCREASE TRACTION, LESS UN-SPRUNG MASS, MORE STROKE, INCREASED HANDLING. THE ONLY THING YOU WILL BE LOSING IS TRACK TIME.

As you might know, United States are the largest racer populated country in the world. Through our experiences from extensive testing in world class racing in Europe and Asia, we have great confidence that we can provide the same results in the US. Swift specifically designed a standard measurement race springs to accommodate American race industries including oval track racing, and drag racing, and offroad racing.

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. A slight difference in design than our metric coilover springs.

Many enthusiasts will swap springs from brand to brand with the only noticeable difference being a stiffer or softer ride. But what if a spring could offer a noticeable increase in traction, smoother weight transfer, better ride quality, lower tire temperatures, and a more predictable feel? The engineers at Swift have taken that "what if" and turned it into reality.

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.

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.

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.

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.

Note: This product is sold individually (1).

PART # SPRING RATE USABLE STROKE MAX STROKE MAX LOAD
lbs/inch inch inch lbs
080-250-100 100 5.8 5.8 582
080-250-125 125 5.6 5.6 710
080-250-150 150 5.7 5.7 877
080-250-175 175 5.2 5.7 985
080-250-200 200 5.1 5.8 1,151
080-250-225 225 4.9 5.7 1,280
080-250-250 250 4.8 5.6 1,402
080-250-275 275 4.7 5.5 1,516
080-250-300 300 4.7 5.4 1,620
080-250-350 350 4.6 5.2 1,837
080-250-375 375 4.5 5.2 1,953
080-250-400 400 4.4 5.2 2,066
080-250-425 425 4.3 5.1 2,172
080-250-450 450 4.3 5.1 2,273
080-250-475 475 4.3 5.0 2,371
080-250-500 500 4.2 4.9 2,461
080-250-525 525 4.2 4.8 2,544
080-250-550 550 4.1 4.9 2,679
080-250-600 600 4.0 4.8 2,884
080-250-650 650 4.0 4.6 3,009
080-250-700 700 3.9 4.5 3,180
080-250-900 900 3.7 4.3 3,869
080-250-950 950 3.7 4.2 3,957
080-250-1000 1000 3.6 4.1 4,130
080-250-1100 1100 3.5 3.9 4,339
080-250-1200 1200 3.4 3.9 1,729
080-250-1300 1300 3.2 4.0 5,220
080-250-1400 1400 3.2 3.8 5,298
080-250-1500 1500 3.2 3.5 5,309
080-250-1600 1600 3.0 3.8 6,041

All handling times are estimates provided by the manufacturer.

Swift Springs orders typically ship within 1 business day directly from the manufacturer when in stock. If the item is out of stock, we’ll promptly inform you of the estimated wait time and suggest similar in-stock alternatives if you prefer to switch.