Coil Springs
Boost your race car’s suspension system with high-performance coil springs tailored for circle track racing. These springs deliver consistent support and improved handling on tight curves and long stretches. Explore our coil spring options to maximize your car’s potential.
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Helper Spring C/O 2.4in Tall 84lb H65-060-015
SWIFT SPRINGS
$79.05Helper springs are essential for maintaining consistent suspension geometry under load, preventing excessive compression that can compromise handling and ride quality. This 84lb coil spring is engineered to work alongside your primary suspension system,...SWIH65-060-015- SKU:
- SWIH65-060-015
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- MFG Part #:
- H65-060-015
- Spring Rate:
- 84 lb.
$79.05 -
Conventional Spring 9.5in x 5.5in x 550# 950-550-550
SWIFT SPRINGS
$128.35A properly tuned suspension starts with the right spring rate, and this 550 lb/in conventional coil spring delivers predictable, linear load support for front-end applications. Whether you're building a street-legal track car or fine-tuning a dedicated...SWI950-550-550- SKU:
- SWI950-550-550
- Availability:
- Ships Same Business Day
- Weight:
- 7.45 LBS
- MFG Part #:
- 950-550-550
- Spring Rate:
- 550 lb.
- Spring Height:
- 9.5"
- Spring ID:
- 5.5"
$128.35 -
Conventional Spring 9.5in x 5.5in x 500# 950-550-500
SWIFT SPRINGS
$128.35A properly matched coil spring is fundamental to your suspension's geometry and handling characteristics. This 500 lb/in conventional spring delivers the stiffness needed for front-end support without requiring custom fabrication, making it an ideal...SWI950-550-500- SKU:
- SWI950-550-500
- Availability:
- Ships Same Business Day
- Weight:
- 6.30 LBS
- MFG Part #:
- 950-550-500
- Spring Rate:
- 500 lb.
- Spring Height:
- 9.5"
- Spring ID:
- 5.5"
$128.35 -
Conventional Spring 9.5in x 5.5in x 400 950-550-400
SWIFT SPRINGS
$128.35A quality front suspension spring is foundational to vehicle handling, ride quality, and consistent performance under load. This conventional coil spring delivers a stiff 400 lb/in rate, making it ideal for applications requiring precise chassis control...SWI950-550-400- SKU:
- SWI950-550-400
- Availability:
- Ships Same Business Day
- Weight:
- 6.25 LBS
- MFG Part #:
- 950-550-400
- Spring Rate:
- 400 lb.
- Spring Height:
- 9.5"
- Spring ID:
- 5.5"
$128.35 -
Conventional Spring 9.5in x 5in x 650# 950-500-650
SWIFT SPRINGS
$128.35A properly tuned suspension demands the right spring rate for your specific vehicle weight and driving conditions. This 650 lb/in conventional coil spring delivers the responsive handling and consistent ride height you need for track days, drag racing,...SWI950-500-650- SKU:
- SWI950-500-650
- Availability:
- Ships Same Business Day
- Weight:
- 6.89 LBS
- MFG Part #:
- 950-500-650
- Spring Rate:
- 650 lb.
- Spring Height:
- 9.5"
- Spring ID:
- 5"
$128.35 -
Conventional Spring 9.5in x 5in x 600# 950-500-600
SWIFT SPRINGS
$128.35A properly matched coil spring is critical to your suspension geometry, handling balance, and ride quality—especially in performance applications where consistency matters. The 600 lb/in spring rate on this conventional coil delivers the responsive...SWI950-500-600- SKU:
- SWI950-500-600
- Availability:
- Ships Same Business Day
- Weight:
- 6.60 LBS
- MFG Part #:
- 950-500-600
- Spring Rate:
- 600 lb.
- Spring Height:
- 9.5"
- Spring ID:
- 5"
$128.35 -
Conventional Spring 9.5in x 5in x 550# 950-500-550
SWIFT SPRINGS
$128.35A properly tuned front suspension starts with the right spring rate—and this 550 lb/in conventional coil spring delivers the responsive, predictable handling that separates competitive builds from street setups. Whether you're dialing in a road course...SWI950-500-550- SKU:
- SWI950-500-550
- Availability:
- Ships Same Business Day
- Weight:
- 7.00 LBS
- MFG Part #:
- 950-500-550
- Spring Rate:
- 550 lb.
- Spring Height:
- 9.5"
- Spring ID:
- 5"
$128.35 -
Conventional Spring 9.5in x 5in x 525lb 950-500-525
SWIFT SPRINGS
$128.35A quality front coil spring is foundational to your suspension's performance—it directly impacts ride height, load transfer, and chassis balance during acceleration and braking. This conventional spring delivers a 525 lb/in rate that's ideal for street...SWI950-500-525- SKU:
- SWI950-500-525
- Availability:
- Ships Same Business Day
- Weight:
- 6.60 LBS
- MFG Part #:
- 950-500-525
- Spring Rate:
- 525 lb.
- Spring Height:
- 9.5"
- Spring ID:
- 5"
$128.35 -
Conventional Spring 9.5in x 5in x 500# 950-500-500
SWIFT SPRINGS
$128.35Front suspension geometry demands a spring that can handle consistent load cycles without degradation—this conventional coil spring delivers predictable, linear rate characteristics essential for tuning your suspension's ride frequency and handling...SWI950-500-500- SKU:
- SWI950-500-500
- Availability:
- Ships Same Business Day
- Weight:
- 6.35 LBS
- MFG Part #:
- 950-500-500
- Spring Rate:
- 500 lb.
- Spring Height:
- 9.5"
- Spring ID:
- 5"
$128.35 -
Conventional Spring 9.5in x 5in x 450# 950-500-450
SWIFT SPRINGS
$128.35A properly matched rear spring is critical for maintaining chassis balance and predictable handling characteristics during acceleration, braking, and cornering. The 450 lb/in rate in this conventional spring delivers the stiffness needed for performance...SWI950-500-450- SKU:
- SWI950-500-450
- Availability:
- Ships Same Business Day
- Weight:
- 5.88 LBS
- MFG Part #:
- 950-500-450
- Spring Rate:
- 450 lb.
- Spring Height:
- 9.5"
- Spring ID:
- 5"
$128.35 -
Conventional Spring 20in x 5in x 125lb 200-500-125
SWIFT SPRINGS
$153.85A properly matched rear spring is fundamental to suspension geometry and handling balance—this conventional coil spring delivers a measured 125 lb/in rate for applications demanding consistent, predictable load support without excessive stiffness...SWI200-500-125- SKU:
- SWI200-500-125
- Availability:
- Ships Same Business Day
- Weight:
- 3.00 LBS
- MFG Part #:
- 200-500-125
- Spring Rate:
- 125 lb.
- Spring Height:
- 20"
- Spring ID:
- 5"
$153.85 -
Conventional Spring 20in x 5in x 100lb 200-500-100
SWIFT SPRINGS
$145.35A properly engineered rear spring is fundamental to consistent handling and load support in any performance application. This 100 lb/in conventional spring delivers predictable compliance for vehicles requiring moderate spring rates, maintaining...SWI200-500-100- SKU:
- SWI200-500-100
- Availability:
- Ships Same Business Day
- Weight:
- 7.45 LBS
- MFG Part #:
- 200-500-100
- Spring Rate:
- 100 lb.
- Spring Height:
- 20"
- Spring ID:
- 5"
$145.35 -
Conventional Spring 20in x 5in x 80lb 200-500-080
SWIFT SPRINGS
$145.35Proper suspension geometry demands a spring that delivers consistent, predictable support without compromise. This conventional coil spring provides the foundation for controlled weight transfer and chassis balance, making it essential for racers and...SWI200-500-080- SKU:
- SWI200-500-080
- Availability:
- Ships Same Business Day
- Weight:
- 6.40 LBS
- MFG Part #:
- 200-500-080
- Spring Rate:
- 80 lb.
- Spring Height:
- 20"
- Spring ID:
- 5"
$145.35 -
Conventional Spring 20in x 5in x 50lb 200-500-050
SWIFT SPRINGS
$145.35A properly functioning suspension requires springs that deliver consistent performance lap after lap. This conventional coil spring provides reliable load support and predictable handling characteristics for rear-end applications where durability matters...SWI200-500-050- SKU:
- SWI200-500-050
- Availability:
- Ships Same Business Day
- Weight:
- 5.10 LBS
- MFG Part #:
- 200-500-050
- Spring Rate:
- 50 lb.
- Spring Height:
- 20"
- Spring ID:
- 5"
$145.35 -
Coil-Over Spring 20in x 2.50in Progressive 200-250-150 V
SWIFT SPRINGS
$170.85Progressive spring rates deliver the compliance you need for everyday driving comfort while maintaining the responsiveness required when you push hard through corners. This 20-inch coil-over spring integrates seamlessly into custom suspension builds,...SWI200-250-150V- SKU:
- SWI200-250-150V
- Availability:
- Ships Same Business Day
- Weight:
- 9.30 LBS
- MFG Part #:
- 200-250-150 V
- Spring Height:
- 20"
- Spring ID:
- 2.5"
$170.85 -
Coil-Over Spring 18in x 5in x 100lb 2.5in ID 180-2550-100 BP
SWIFT SPRINGS
$136.85A quality coil-over spring is the foundation of responsive suspension tuning, giving you precise control over ride height and spring rates without compromising performance. This 100 lb/in barrel spring delivers the stiffness needed for track applications...SWI180-2550-100BP- SKU:
- SWI180-2550-100BP
- Availability:
- Ships Same Business Day
- Weight:
- 7.00 LBS
- MFG Part #:
- 180-2550-100 BP
- Spring Rate:
- 100 lb.
- Spring Height:
- 18"
- Spring ID:
- 5"
$136.85 -
Coil-Over Spring 18in x 5in x 80lb 2.5in ID 180-2550-080 BP
SWIFT SPRINGS
$136.85Precision suspension geometry demands a coil-over spring engineered to your exact specifications—and this 80lb/in unit delivers the consistency and durability that separates competitive setups from guesswork. Whether you're fine-tuning bump stiffness for...SWI180-2550-080BP- SKU:
- SWI180-2550-080BP
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
- MFG Part #:
- 180-2550-080 BP
- Spring Rate:
- 80 lb.
- Spring Height:
- 18"
- Spring ID:
- 5"
$136.85 -
Conventional Spring 16in x 5in x 225lb 160-500-225
SWIFT SPRINGS
$136.85A properly tuned suspension starts with the right spring rate. This conventional coil spring delivers the 225 lb/in rate needed for precise rear-end geometry and consistent handling characteristics across a wide range of driving conditions. Whether...SWI160-500-225- SKU:
- SWI160-500-225
- Availability:
- Ships Same Business Day
- Weight:
- 8.60 LBS
- MFG Part #:
- 160-500-225
- Spring Rate:
- 225 lb.
- Spring Height:
- 16"
- Spring ID:
- 5"
$136.85 -
Conventional Spring 16in x 5in x 200# 160-500-200
SWIFT SPRINGS
$136.85A properly matched rear spring is essential for maintaining suspension geometry and load capacity under acceleration, braking, and cornering. This 200 lb/in conventional coil spring delivers predictable, linear rates ideal for street applications and...SWI160-500-200- SKU:
- SWI160-500-200
- Availability:
- Ships Same Business Day
- Weight:
- 7.79 LBS
- MFG Part #:
- 160-500-200
- Spring Rate:
- 200 lb.
- Spring Height:
- 16"
- Spring ID:
- 5"
$136.85 -
Conventional Spring 16in x 5in x 175# 160-500-175 BP
SWIFT SPRINGS
$136.85A quality rear suspension spring is fundamental to your vehicle's handling dynamics, load capacity, and ride consistency. This conventional coil spring delivers a moderate 175 lb/in rate—ideal for street-performance applications and light-duty racing...SWI160-500-175BP- SKU:
- SWI160-500-175BP
- Availability:
- Ships Same Business Day
- Weight:
- 6.60 LBS
- MFG Part #:
- 160-500-175 BP
- Spring Rate:
- 175 lb.
- Spring Height:
- 16"
- Spring ID:
- 5"
$136.85
