Harness the power of meticulous engineering with Swift’s Conventional Springs. Each spring is a testament to our unyielding commitment to performance. Embrace the competitive edge that comes with the racing spirit.
Innovative by design.
Drawing from a wealth of global racing insights, Swift has crafted springs that resonate with the American racer’s soul. We have engineered corner specific springs with the optimal spring design to maximize vehicle potential on the track. Our springs aren’t just built; they’re finely tuned instruments of victory for oval track glory.
Quality That Transcends Expectations.
American racers demand excellence. Swift delivers with springs engineered from racer-driven data, transcending the traditional with a slight yet pivotal design evolution. Our springs don’t just change the ride–they transform the race.
Material mastery.
Swift Springs aren’t ordinary–they’re extraordinary. Manufactured with our superior HS5.TW steel, they’re lighter, more responsive, and engineered to amplify every advantage. Fewer coils, more stroke, less weight – welcome to the pinnacle performance.
Bulletproof series Springs.
For The Ultimate Challenge
Introducing the BP Series: robust, resilient, and responsive. Built for the extreme, these springs are for the racer who knows no bounds and pushes every limit. With Swift’s philosophy of responsiveness and traction, the BP Springs are your secret weapon against fatigue on the track.
Specifications at a glance.
Our detailed specifications are meticulously listed to provide you with the precise information you need to choose the perfect springs for your racing endeavors. Swift makes it simple to match your vehicle’s demands with our superior solutions.
DUE TO CONTINUED ENGINEERING ADVANCES, PRODUCT SPECIFICATION MAY CHANGE WITHOUT NOTICE.
6" Length - 5" OD
6″ Length – 5″ OD
| PART # | SPRING RATE | USABLE STROKE | MAX STROKE | MAX LOAD |
| lbs/inch | inch | inch | lbs | |
| 060-500-175 | 175 | 3.8 | 4.1 | 721 |
| 060-500-200 | 200 | 3.7 | 4.1 | 820 |
| 060-500-225 | 225 | 3.6 | 4.1 | 913 |
| 060-500-250 | 250 | 3.4 | 4.1 | 1,021 |
| 060-500-700 | 700 | 3.0 | 3.7 | 2,597 |
| 060-500-800 | 800 | 2.8 | 3.6 | 2,892 |
8″ Length – 5″ OD
Front Springs
| PART # | SPRING RATE | USABLE STROKE | MAX STROKE | MAX LOAD |
| lbs/inch | inch | inch | lbs | |
| 080-500-400 F | 400 | 5.1 | 5.1 | 2,041 |
| 080-500-425 F | 425 | 5.0 | 5.0 | 2,149 |
| 080-500-450 F | 450 | 4.9 | 4.9 | 2,218 |
| 080-500-475 F | 475 | 4.8 | 4.8 | 2,310 |
| 080-500-500 F | 500 | 4.7 | 4.7 | 2,361 |
| 080-500-525 F | 525 | 4.8 | 4.8 | 2,531 |
| 080-500-550 F | 550 | 4.6 | 4.6 | 2,566 |
| 080-500-600 F | 600 | 4.6 | 4.6 | 2,806 |
9.5″ Length – 5″ OD
Hight Travel Front Springs
| PART # | SPRING RATE | USABLE STROKE | MAX STROKE | MAX LOAD |
| lbs/inch | inch | inch | lbs | |
| 950-500-450F | 450 | 5.8 | 6.5 | 2,923 |
| 950-500-500F | 500 | 5.6 | 6.5 | 3,228 |
| 950-500-550F | 550 | 5.5 | 6.3 | 3,486 |
9.5″ Length – 5″ OD
Front Springs
| PART # | SPRING RATE | USABLE STROKE | MAX STROKE | MAX LOAD |
| lbs/inch | inch | inch | lbs | |
| 950-500-350 | 350 | 5.9 | 6.5 | 2,258 |
| 950-500-375 | 375 | 5.8 | 6.4 | 2,410 |
| 950-500-400 | 400 | 5.7 | 6.5 | 2,588 |
| 950-500-425 | 425 | 5.6 | 6.4 | 2,731 |
| 950-500-450 | 450 | 5.7 | 6.3 | 2,804 |
| 950-500-475 | 475 | 5.7 | 6.3 | 2,914 |
| 950-500-500 | 500 | 5.7 | 6.1 | 3,051 |
| 950-500-525 | 525 | 5.6 | 6.0 | 3,153 |
| 950-500-550 | 550 | 5.7 | 5.8 | 3,204 |
| 950-500-575 | 575 | 5.4 | 5.8 | 3,417 |
| 950-500-600 | 600 | 5.5 | 5.7 | 3,447 |
| 950-500-625 | 625 | 5.3 | 5.9 | 3,671 |
| 950-500-650 | 650 | 5.3 | 5.8 | 3,763 |
| 950-500-700 | 700 | 5.3 | 5.5 | 3,830 |
| 950-500-750 | 750 | 5.0 | 5.7 | 4,251 |
| 950-500-800 | 800 | 5.1 | 5.4 | 4,285 |
11″ Length – 5″ OD
Front Springs
| PART # | SPRING RATE | USABLE STROKE | MAX STROKE | MAX LOAD |
| lbs/inch | inch | inch | lbs | |
| 110-500-300F | 300 | 6.8 | 7.2 | 2,180 |
| 110-500-350F | 350 | 6.7 | 7.1 | 2,498 |
| 110-500-375 F | 375 | 6.6 | 7.0 | 2,623 |
| 110-500-400F | 400 | 6.4 | 7.0 | 2,784 |
| 110-500-425 F | 425 | 6.3 | 6.9 | 2,939 |
| 110-500-450 F | 450 | 6.3 | 6.7 | 3,034 |
11″ Length – 5″ OD
(Part numbers containing BP are Bulletproof Springs)
| PART # | SPRING RATE | USABLE STROKE | MAX STROKE | MAX LOAD |
| lbs/inch | inch | inch | lbs | |
| 110-500-080 | 80 | 8.7 | 8.7 | 694 |
| 110-500-100 | 100 | 8.6 | 8.6 | 858 |
| 110-500-125 BP | 125 | 8.5 | 8.7 | 1,091 |
| 110-500-150 BP | 150 | 8.5 | 8.6 | 1,292 |
| 110-500-175 BP | 175 | 7.9 | 8.4 | 1,479 |
| 110-500-200 BP | 200 | 7.6 | 8.5 | 1,706 |
| 110-500-225 BP | 225 | 7.8 | 8.2 | 1,847 |
| 110-500-250 | 250 | 7.4 | 8.3 | 2,066 |
| 110-500-275 | 275 | 6.9 | 8.2 | 2,253 |
| 110-500-300 | 300 | 6.9 | 8.0 | 2,402 |
| 110-500-325 | 325 | 6.8 | 7.9 | 2,568 |
| 110-500-350 | 350 | 6.6 | 7.9 | 2,763 |
11″ Length Rear – 5″ OD
Tight Helix Type
| PART # | SPRING RATE | USABLE STROKE | MAX STROKE | MAX LOAD |
| lbs/inch | inch | inch | lbs | |
| 110-500-200 TH | 200 | 5.4 | 5.4 | 1,079 |
| 110-500-225 TH | 225 | 5.0 | 5.0 | 1,133 |
| 110-500-250 TH | 250 | 4.6 | 4.6 | 1,152 |
12″ Length – 5″ OD
| PART # | SPRING RATE | USABLE STROKE | MAX STROKE | MAX LOAD |
| lbs/inch | inch | inch | lbs | |
| 120-500-200 | 200 | 8.6 | 8.9 | 1,779 |
| 120-500-225 | 225 | 8.3 | 8.8 | 1,975 |
| 120-500-250 | 250 | 8.0 | 8.7 | 2,175 |
| 120-500-275 | 275 | 7.8 | 8.5 | 2,338 |
| 120-500-300 | 300 | 7.8 | 8.4 | 2,527 |
12″ Length – 5″ OD
Tight Helix Type
| PART # | SPRING RATE | USABLE STROKE | MAX STROKE | MAX LOAD |
| lbs/inch | inch | inch | lbs | |
| 120-500-200 TH | 200 | 5.7 | 5.7 | 1,150 |
| 120-500-225 TH | 225 | 5.6 | 5.6 | 1,258 |
| 120-500-250 TH | 250 | 5.6 | 5.6 | 1,388 |
13″ Length – 5″ OD
(Part numbers containing BP are Bulletproof Springs)
| PART # | SPRING RATE | USABLE STROKE | MAX STROKE | MAX LOAD |
| lbs/inch | inch | inch | lbs | |
| 130-500-050 | 50 | 10.5 | 10.5 | 525 |
| 130-500-080 | 80 | 10.4 | 10.4 | 827 |
| 130-500-100 BP | 100 | 10.0 | 10.2 | 1,028 |
| 130-500-125 BP | 125 | 10.0 | 10.2 | 1,279 |
| 130-500-150 BP | 150 | 9.7 | 10.1 | 1,517 |
| 130-500-175 BP | 175 | 9.4 | 9.9 | 1,737 |
| 130-500-200 BP | 200 | 9.2 | 9.7 | 1,940 |
| 130-500-225 BP | 225 | 9.2 | 9.8 | 2,205 |
| 130-500-215 | 215 | 8.7 | 9.6 | 2,079 |
| 130-500-235 | 235 | 8.6 | 9.6 | 2,249 |
| 130-500-250 | 250 | 8.5 | 9.5 | 2,381 |
| 130-500-275 | 275 | 8.3 | 9.5 | 2,600 |
| 130-500-300 | 300 | 8.4 | 9.1 | 2,733 |
| 130-500-450 | 450 | 7.5 | 8.6 | 3,873 |
| 130-500-500 | 500 | 7.4 | 8.3 | 4,173 |
13″ Length Rear – 5″ OD
Tight Helix Type
| PART # | SPRING RATE | USABLE STROKE | MAX STROKE | MAX LOAD |
| lbs/inch | inch | inch | lbs | |
| 130-500-175 TH | 175 | 6.7 | 6.7 | 1,164 |
| 130-500-200 TH | 200 | 6.3 | 6.3 | 1,268 |
| 130-500-215 TH | 215 | 6.3 | 6.3 | 1,363 |
| 130-500-225 TH | 225 | 5.9 | 5.9 | 1,338 |
| 130-500-235 TH | 235 | 6.2 | 6.2 | 1,462 |
| 130-500-250 TH | 250 | 5.9 | 5.9 | 1,486 |
14″ Length – 5″ OD
| PART # | SPRING RATE | USABLE STROKE | MAX STROKE | MAX LOAD |
| lbs/inch | inch | inch | lbs | |
| 140-500-175 | 175 | 9.3 | 10.6 | 1,852 |
| 140-500-200 | 200 | 8.9 | 10.5 | 2,097 |
| 140-500-225 | 225 | 8.8 | 10.4 | 2,355 |
| 140-500-250 | 250 | 8.8 | 10.2 | 2,540 |
| 140-500-275 | 275 | 8.5 | 10.2 | 2,809 |
| 140-500-300 | 300 | 8.3 | 10.1 | 3,034 |
| 140-500-325 | 325 | 8.3 | 9.7 | 3,164 |
| 140-500-350 | 350 | 8.1 | 9.7 | 3,408 |
16″ Length – 5″ OD
(Part numbers containing BP are Bulletproof Springs)
| PART # | SPRING RATE | USABLE STROKE | MAX STROKE | MAX LOAD |
| lbs/inch | inch | inch | lbs | |
| 160-500-050 | 50 | 12.6 | 12.6 | 628 |
| 160-500-065 | 65 | 12.1 | 12.1 | 785 |
| 160-500-080 | 80 | 12.2 | 12.2 | 977 |
| 160-500-080 BP | 80 | 12.9 | 12.9 | 1,030 |
| 160-500-100 | 100 | 12.1 | 12.1 | 1,219 |
| 160-500-100 BP | 100 | 12.5 | 12.5 | 1,252 |
| 160-500-112 | 112 | 12.0 | 12.0 | 1,349 |
| 160-500-125 BP | 125 | 12.0 | 12.3 | 1,541 |
| 160-500-150 BP | 150 | 11.7 | 12.0 | 1,808 |
| 160-500-175 BP | 175 | 10.7 | 12.0 | 2,100 |
| 160-500-200 | 200 | 10.5 | 11.7 | 2,350 |
| 160-500-225 | 225 | 10.4 | 11.4 | 2,575 |
18″ Length – 5″ OD
| PART # | SPRING RATE | USABLE STROKE | MAX STROKE | MAX LOAD |
| lbs/inch | inch | inch | lbs | |
| 180-500-080 | 80 | 13.3 | 13.3 | 1,069 |
| 180-500-100 | 100 | 13.3 | 13.3 | 1,334 |
20″ Length – 5″ OD
(Part numbers containing V are Progressive Springs)
| PART # | SPRING RATE | USABLE STROKE | MAX STROKE | MAX LOAD |
| lbs/inch | inch | inch | lbs | |
| 200-500-050 | 50 | 15.0 | 15.0 | 747 |
| 200-500-065 | 65 | 15.5 | 15.5 | 1008 |
| 200-500-080 | 80 | 15.0 | 15.0 | 1,197 |
| 200-500-100 | 100 | 15.0 | 15.0 | 1,497 |
| 200-500-125 | 125 | 14.6 | 14.6 | 1,828 |
| 200-500-150 | 150 | 13.1 | 14.5 | 2,179 |
| 200-500-225V | 75/225 | 12.9 | 13.3 | 1,464 |
| PART # | SPRING RATE | USABLE STROKE | MAX STROKE | MAX LOAD |
| lbs/inch | inch | inch | lbs | |
| 067-500-600-2000 | 600-2000 | 2.9 | 3.0 | 3,521 |
9.5″ Length – 5.5″ OD
Front Springs
11″ Length – 5.5″ OD
Front Springs
Front Springs
| PART # | SPRING RATE | USABLE STROKE | MAX STROKE | MAX LOAD |
| lbs/inch | inch | inch | lbs | |
| 950-550-325 | 325 | 6.1 | 6.8 | 2,201 |
| 950-550-400 | 400 | 6.0 | 6.5 | 2,583 |
| 950-550-425 | 425 | 5.8 | 6.5 | 2,744 |
| 950-550-450 | 450 | 5.7 | 6.4 | 2,870 |
| 950-550-500 | 500 | 5.5 | 6.4 | 3,189 |
| 950-550-550 | 550 | 5.5 | 6.2 | 3,400 |
| 950-550-600 | 600 | 5.5 | 5.9 | 3,567 |
| 950-550-650 | 650 | 5.1 | 6.1 | 3,992 |
| 950-550-700 | 700 | 5.1 | 5.9 | 4,134 |
| 950-550-750 | 750 | 4.8 | 6.1 | 4,558 |
| 950-550-800 | 800 | 5.0 | 5.7 | 4,567 |
| 950-550-850 | 850 | 4.7 | 5.9 | 4,985 |
| 950-550-900 | 900 | 4.3 | 4.3 | 3,843 |
| 950-550-950 | 950 | 4.5 | 4.5 | 4,275 |
| 950-550-1000 | 1000 | 4.1 | 4.1 | 4,100 |
| 950-550-1050 | 1050 | 4.3 | 4.3 | 4,463 |
| 950-550-1100 | 1100 | 4.3 | 4.3 | 4,730 |
| 950-550-1200 | 1200 | 3.8 | 3.8 | 4,560 |
11″ Length – 5.5″ OD
Front Springs
| PART # | SPRING RATE | USABLE STROKE | MAX STROKE | MAX LOAD |
| lbs/inch | inch | inch | lbs | |
| 110-550-200 | 200 | 8.1 | 8.1 | 1,627 |
| 110-550-250 | 250 | 7.8 | 7.8 | 1,947 |
| 110-550-275 | 275 | 7.7 | 7.7 | 2,123 |
| 110-550-300 | 300 | 7.6 | 7.6 | 2,293 |
| 110-550-350 | 350 | 6.5 | 7.7 | 2,701 |
| 110-550-375 | 375 | 6.3 | 7.7 | 2,879 |
| 110-550-400 | 400 | 6.2 | 7.7 | 3,071 |
| 110-550-425 | 425 | 6.1 | 7.5 | 3,196 |
| 110-550-900 | 900 | 5.0 | 5.0 | 4,500 |
| 110-550-1000 | 1000 | 5.5 | 5.5 | 5,500 |
| 110-550-1100 | 1100 | 4.9 | 4.9 | 5,390 |
8" Length - 5" OD
Front Springs
9.5" Length - 5" OD
High Travel Front Springs
9.5" Length - 5" OD
Front Springs
11" Length - 5" OD
Front Springs
11" Length - 5" OD
(Part numbers containing BP are Bulletproof Springs)
11" Length Rear - 5" OD
Tight Helix Type
12" Length - 5" OD
12" Length - 5" OD
Tight Helix Type
13" Length - 5" OD
(Part numbers containing BP are Bulletproof Springs)
13" Length Rear - 5" OD
Tight Helix Type
14" Length - 5" OD
16" Length - 5" OD
(Part numbers containing BP are Bulletproof Springs)
18" Length - 5" OD
20" Length - 5" OD
(Part numbers containing V are Progressive Springs)