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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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...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"
$128.35Qty in Cart: 0Quantity:Price:$128.35Subtotal: -
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...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...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"
$128.35Qty in Cart: 0Quantity:Price:$128.35Subtotal: -
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...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...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...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...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,...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...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...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...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...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...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"
$136.85Qty in Cart: 0Quantity:Price:$136.85Subtotal: -
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...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...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...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...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 -
Coil-Over Spring 16in x 5in x 150lb 2.5in ID 160-2550-150 BP
SWIFT SPRINGS
$136.85A quality coil-over spring is the foundation of responsive suspension tuning—this 150 lb/in rate delivers predictable load support without sacrificing ride compliance on street or track applications...SWI160-2550-150BP- SKU:
- SWI160-2550-150BP
- Availability:
- Ships Same Business Day
- Weight:
- 13.00 LBS
- MFG Part #:
- 160-2550-150 BP
- Spring Rate:
- 150 lb.
- Spring Height:
- 16"
- Spring ID:
- 2.5"
$136.85 -
Coil-Over Spring 16in x 5in x 125lb 2.5in ID 160-2550-125 BP
SWIFT SPRINGS
$136.85If you're building a performance suspension setup that demands precise ride height adjustment and consistent spring rates, this 125 lb/in coil-over spring delivers the tuning capability you need. The...SWI160-2550-125BP- SKU:
- SWI160-2550-125BP
- Availability:
- Ships Same Business Day
- Weight:
- 6.00 LBS
- MFG Part #:
- 160-2550-125 BP
- Spring Rate:
- 125 lb.
- Spring Height:
- 16"
- Spring ID:
- 2.5"
$136.85 -
Barrel Spring 16in x 2.5in 150# 160-250-150 BP
SWIFT SPRINGS
$128.35A precision-engineered coil spring built for serious racers and performance enthusiasts who demand consistent, predictable suspension geometry lap after lap. The 150 lb/in spring rate delivers the...SWI160-250-150BP- SKU:
- SWI160-250-150BP
- Availability:
- Ships Same Business Day
- Weight:
- 6.40 LBS
- MFG Part #:
- 160-250-150 BP
- Spring Rate:
- 150 lb.
- Spring Height:
- 16"
- Spring ID:
- 2.5"
$128.35
