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Swift Springs has designed and engineered the standard measurement springs based on data collected from racers at the top of their class. 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. Swift specifically designed a standard measurement race springs to accommodate American race industries including oval track racing, and drag racing, and offroad racing.
| DMS Part # | Swift Part # | Outside Diameter (in.) | Length (in.) | Rate (lbs/in) | Useable Stroke (in.) | Maximum Stroke (in.) | Maximum Load (lbs) |
|---|---|---|---|---|---|---|---|
| SWS-5.5-11-1000 | 110-550-1000 | 5.5 | 11 | 1000 | 5.5 | 5.5 | 5500 |
| SWS-5.5-11-1100 | 110-550-1100 | 5.5 | 11 | 1100 | 4.9 | 4.9 | 6710 |
| SWS-5.5-11-1200 | 110-550-1200 | 5.5 | 11 | 1200 | 5.3 | 5.3 | 6900 |
| SWS-5.5-11-1300 | 110-550-1300 | 5.5 | 11 | 1300 | 5 | 5 | 6500 |
| SWS-5.5-11-900 | 110-550-900 | 5.5 | 11 | 900 | 5 | 5 | 5400 |
| SWS-5.5-9.5-100 | 950-550-1000 | 5.5 | 9.5 | 1000 | 4.1 | 4.1 | 4100 |
| SWS-5.5-9.5-105 | 950-550-1050 | 5.5 | 9.5 | 1050 | 4.3 | 4.3 | 4463 |
| SWS-5.5-9.5-110 | 950-550-1100 | 5.5 | 9.5 | 1100 | 4.3 | 4.3 | 4730 |
| SWS-5.5-9.5-115 | 950-550-1150 | 5.5 | 9.5 | 1150 | 4.5 | 4.5 | 5175 |
| SWS-5.5-9.5-120 | 950-550-1200 | 5.5 | 9.5 | 1200 | 3.8 | 3.8 | 4560 |
| SWS-5.5-9.5-500 | 950-550-500 | 5.5 | 9.5 | 500 | 5.5 | 6.4 | 3196 |
| SWS-5.5-9.5-550 | 950-550-550 | 5.5 | 9.5 | 550 | 5.5 | 6.2 | 3408 |
| SWS-5.5-9.5-600 | 950-550-600 | 5.5 | 9.5 | 600 | 5.5 | 5.9 | 3575 |
| SWS-5.5-9.5-650 | 950-550-650 | 5.5 | 9.5 | 650 | 5.1 | 6.1 | 4001 |
| SWS-5.5-9.5-700 | 950-550-700 | 5.5 | 9.5 | 700 | 5.1 | 5.9 | 4144 |
| SWS-5.5-9.5-750 | 950-550-750 | 5.5 | 9.5 | 750 | 4.8 | 6.1 | 4558 |
| SWS-5.5-9.5-800 | 950-550-800 | 5.5 | 9.5 | 800 | 4.8 | 4.8 | 3840 |
| SWS-5.5-9.5-850 | 950-550-850 | 5.5 | 9.5 | 850 | 4.1 | 4.1 | 3460 |
| SWS-5.5-9.5-900 | 950-550-900 | 5.5 | 9.5 | 900 | 4.3 | 4.3 | 3843 |
| SWS-5-11-300F | 110-500-300 F | 5 | 11 | 300 | 6.8 | 7.2 | 2181 |
| SWS-5-11-350F | 110-500-350 F | 5 | 11 | 350 | 6.6 | 7.1 | 2498 |
| SWS-5-11-375F | 110-500-375 F | 5 | 11 | 375 | 6.5 | 6.9 | 2623 |
| SWS-5-11-400F | 110-500-400 F | 5 | 11 | 400 | 6.4 | 6.9 | 2785 |
| SWS-5-11-425F | 110-500-425 F | 5 | 11 | 425 | 6.3 | 6.8 | 2938 |
| SWS-5-11-450F | 110-500-450 F | 5 | 11 | 450 | 6.2 | 6.7 | 3033 |
| SWS-5-9.5-350 | 950-500-350 | 5 | 9.5 | 350 | 5.9 | 6.5 | 2321 |
| SWS-5-9.5-375 | 950-500-375 | 5 | 9.5 | 375 | 5.8 | 6.5 | 2442 |
| SWS-5-9.5-400 | 950-500-400 | 5 | 9.5 | 400 | 5.7 | 6.5 | 2588 |
| SWS-5-9.5-425 | 950-500-425 | 5 | 9.5 | 425 | 5.6 | 6.4 | 2731 |
| SWS-5-9.5-450 | 950-500-450 | 5 | 9.5 | 450 | 5.7 | 6.3 | 2804 |
| SWS-5-9.5-475 | 950-500-475 | 5 | 9.5 | 475 | 5.7 | 6.3 | 2915 |
| SWS-5-9.5-500 | 950-500-500 | 5 | 9.5 | 500 | 5.7 | 7.6 | 3041 |
| SWS-5-9.5-525 | 950-500-525 | 5 | 9.5 | 525 | 5.6 | 6 | 3153 |
| SWS-5-9.5-550 | 950-500-550 | 5 | 9.5 | 550 | 5.7 | 7.4 | 3213 |
| SWS-5-9.5-575 | 950-500-575 | 5 | 9.5 | 575 | 5.4 | 5.9 | 3417 |
| SWS-5-9.5-600 | 950-500-600 | 5 | 9.5 | 600 | 5.5 | 7.3 | 3468 |
| SWS-5-9.5-625 | 950-500-625 | 5 | 9.5 | 625 | 5.3 | 5.9 | 3670 |
| SWS-5-9.5-650 | 950-500-650 | 5 | 9.5 | 650 | 5.3 | 7.3 | 3767 |
| SWS-5-8-400 F | 080-500-400 F | 5 | 8 | 400 | 5.1 | 5.1 | 2041 |
| SWS-5-8-425 F | 080-500-425 F | 5 | 8 | 425 | 5 | 5 | 2149 |
| SWS-5-8-450 F | 080-500-450 F | 5 | 8 | 450 | 4.9 | 4.9 | 2218 |
| SWS-5-8-475 F | 080-500-475 F | 5 | 8 | 475 | 4.8 | 4.8 | 2310 |
| SWS-5-8-500 F | 080-500-500 F | 5 | 8 | 500 | 4.7 | 4.7 | 2361 |
| SWS-5-8-525 F | 080-500-550 F | 5 | 8 | 525 | 4.8 | 4.8 | 2531 |
| SWS-5-8-550 F | 080-500-550 F | 5 | 8 | 550 | 4.6 | 4.6 | 2566 |
| SWS-5-8-600 F | 080-500-600 F | 5 | 8 | 600 | 4.6 | 4.6 | 2806 |
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6100 US Highway 69 N
Tyler, Texas 75706
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