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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Coilover Spring 12in x 2.5in x 375lb 120-250-375 B
SWIFT SPRINGS
$111.35A 375 lb/in spring rate gives you the stiffness needed for responsive handling and precise body control without sacrificing ride quality in street or track applications. This 12-inch coilover spring is engineered for suspension setups that demand...SWI120-250-375B- SKU:
- SWI120-250-375B
- Availability:
- Ships Same Business Day
- Weight:
- 6.35 LBS
- Spring Rate:
- 375 lb.
- Spring Height:
- 12"
- Spring ID:
- 2.5"
$111.35 -
Coilover Spring 12in x 2.5in 140/225 Prog 120-250-225V
SWIFT SPRINGS
$145.35Progressive spring rates deliver the compliance you need under light loads while providing the support required when pushing hard through corners. This 12-inch coilover spring kit handles both street-driven vehicles and track applications without...SWI120-250-225V- SKU:
- SWI120-250-225V
- Availability:
- Ships Same Business Day
- Weight:
- 5.20 LBS
- Spring Height:
- 12"
- Spring ID:
- 2.5"
$145.35 -
Conv Front Spring 11in x 5in 425LB 110-500-425F
SWIFT SPRINGS
$119.85A properly tuned front spring is the foundation of responsive handling and consistent lap times. This 425 lb/in conventional coil spring delivers the spring rate needed for precision chassis control without sacrificing ride comfort on street applications...SWI110-500-425F- SKU:
- SWI110-500-425F
- Availability:
- Ships Same Business Day
- Weight:
- 11.50 LBS
- Spring Rate:
- 425 lb.
- Spring Height:
- 11"
- Spring ID:
- 5"
$119.85 -
Conv Front Spring 11in x 5in 400LB 110-500-400F
SWIFT SPRINGS
$119.85If you're building a custom suspension setup or refreshing your front end geometry, you need a spring that delivers consistent, predictable performance without compromise. This conventional coil spring offers a straightforward 400 lb/in rate—stiff enough...SWI110-500-400F- SKU:
- SWI110-500-400F
- Availability:
- Ships Same Business Day
- Weight:
- 7.60 LBS
- Spring Rate:
- 400 lb.
- Spring Height:
- 11"
- Spring ID:
- 5"
$119.85 -
Conv Front Spring 11in x 5in 350LB 110-500-350F
SWIFT SPRINGS
$119.85A properly tuned front suspension starts with the right spring rate. This conventional coil spring delivers a stiff 350 lb/in rate, giving you the responsive chassis control needed for aggressive driving while maintaining street-driven comfort in...SWI110-500-350F- SKU:
- SWI110-500-350F
- Availability:
- Ships Same Business Day
- Weight:
- 11.50 LBS
- Spring Rate:
- 350 lb.
- Spring Height:
- 11"
- Spring ID:
- 5"
$119.85 -
Conv Front Spring 11in x 5in 300LB 110-500-300F
SWIFT SPRINGS
$119.85A properly matched front spring is critical for maintaining consistent suspension geometry and predictable handling characteristics on both street and track applications. This 300 lb/in conventional coil spring delivers the stiffness needed for...SWI110-500-300F- SKU:
- SWI110-500-300F
- Availability:
- Ships Same Business Day
- Weight:
- 12.00 LBS
- Spring Rate:
- 300 lb.
- Spring Height:
- 11"
- Spring ID:
- 5"
$119.85 -
Conv Rear Spring 11in x 5in 250LB 110-500-250 TH
SWIFT SPRINGS
$162.35A properly tuned rear suspension starts with the right spring rate, and this 250 lb/in conventional coil spring delivers the stiffness needed for consistent weight transfer and predictable handling under load. Whether you're fine-tuning your street...SWI110-500-250TH- SKU:
- SWI110-500-250TH
- Availability:
- Ships Same Business Day
- Weight:
- 12.00 LBS
- Spring Rate:
- 250 lb.
- Spring Height:
- 11"
- Spring ID:
- 5"
$162.35 -
Coilover Spring 10in x 2.5in 300/750 Prog 100-250-750V
SWIFT SPRINGS
$145.35Progressive coilover springs deliver the dual benefit of a softer initial ride with increased support under load—ideal for both street and track applications where suspension compliance matters. This 10-inch barrel-type spring adapts to changing driving...SWI100-250-750V- SKU:
- SWI100-250-750V
- Availability:
- Ships Same Business Day
- Weight:
- 7.40 LBS
- Spring Height:
- 10"
- Spring ID:
- 2.5"
$145.35 -
Coilover Spring 10in x 2.5in x 600LB 100-250-600 B
SWIFT SPRINGS
$111.35A 600 lb/in spring rate demands precision suspension tuning, and this coilover spring delivers the stiffness needed for aggressive cornering and weight transfer control. Whether you're dialing in a dedicated track car or fine-tuning a performance street...SWI100-250-600B- SKU:
- SWI100-250-600B
- Availability:
- Ships Same Business Day
- Weight:
- 7.00 LBS
- Spring Rate:
- 600 lb.
- Spring Height:
- 10"
- Spring ID:
- 2.5"
$111.35 -
Coilover Spring 10in x 2.5in x 550LB 100-250-550 B
SWIFT SPRINGS
$111.35A 550 lb/in spring rate gives you the responsive suspension tuning needed for precise vehicle control during aggressive driving or track work. This barrel-style coilover spring delivers consistent damping characteristics without the compliance issues...SWI100-250-550B- SKU:
- SWI100-250-550B
- Availability:
- Ships Same Business Day
- Weight:
- 6.00 LBS
- Spring Rate:
- 550 lb.
- Spring Height:
- 10"
- Spring ID:
- 2.5"
$111.35 -
Coilover Spring 10in x 2.5in x 500b 100-250-500 B
SWIFT SPRINGS
$111.35A 500 lb/in spring rate gives you the stiffness needed for aggressive cornering and consistent suspension geometry without introducing harshness on street-driven builds. This 10-inch coilover spring integrates seamlessly into most coilover kits,...SWI100-250-500B- SKU:
- SWI100-250-500B
- Availability:
- Ships Same Business Day
- Weight:
- 5.55 LBS
- Spring Rate:
- 500 lb.
- Spring Height:
- 10"
- Spring ID:
- 2.5"
$111.35 -
Coilover Spring 10in x 2.5in x 475lb 100-250-475 B
SWIFT SPRINGS
$111.35A 475 lb/in spring rate delivers the responsiveness and control needed for track-focused setups without sacrificing street-driven compliance. This coilover spring's 10-inch length and 2.5-inch inner diameter integrate seamlessly into most aftermarket...SWI100-250-475B- SKU:
- SWI100-250-475B
- Availability:
- Ships Same Business Day
- Weight:
- 5.40 LBS
- Spring Rate:
- 475 lb.
- Spring Height:
- 10"
- Spring ID:
- 2.5"
$111.35 -
Coilover Spring 10in x 2.5in x 450lb 100-250-450 B
SWIFT SPRINGS
$111.35If you're building a performance suspension that demands precision control and consistent handling across a wide range of driving conditions, a high-rate coilover spring is essential to your setup. This 450 lb/in spring delivers the stiffness needed for...SWI100-250-450B- SKU:
- SWI100-250-450B
- Availability:
- Ships Same Business Day
- Weight:
- 5.30 LBS
- Spring Rate:
- 450 lb.
- Spring Height:
- 10"
- Spring ID:
- 2.5"
$111.35 -
Coilover Spring 10in x 2.5in x 425lb 100-250-425 B
SWIFT SPRINGS
$111.35A 425 lb/in spring rate delivers the responsive handling and precise load support that serious racers and performance builders demand. Whether you're dialing in a road course setup or building a dedicated competition suspension, this coilover spring...SWI100-250-425B- SKU:
- SWI100-250-425B
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
- Spring Rate:
- 425 lb.
- Spring Height:
- 10"
- Spring ID:
- 2.5"
$111.35 -
Coilover Spring 10in x 2.5in x 400lb 100-250-400 B
SWIFT SPRINGS
$111.35If you're building a suspension setup that demands precision tuning and consistent performance across varying track conditions, a stiff 400 lb/in spring rate delivers the responsive handling and minimal body roll you need for competitive racing. This...SWI100-250-400B- SKU:
- SWI100-250-400B
- Availability:
- Ships Same Business Day
- Weight:
- 4.50 LBS
- Spring Rate:
- 400 lb.
- Spring Height:
- 10"
- Spring ID:
- 2.5"
$111.35 -
Coilover Spring 10in x 2.5in x 375lb 100-250-375 B
SWIFT SPRINGS
$111.35A properly tuned coilover spring is fundamental to achieving predictable suspension geometry and consistent cornering performance. This 375 lb/in rate spring delivers the stiffness needed for precision handling without sacrificing ride quality across...SWI100-250-375B- SKU:
- SWI100-250-375B
- Availability:
- Ships Same Business Day
- Weight:
- 4.50 LBS
- Spring Rate:
- 375 lb.
- Spring Height:
- 10"
- Spring ID:
- 2.5"
$111.35 -
Coilover Spring 10in x 2.5in x 350lb 100-250-350 B
SWIFT SPRINGS
$111.35Precision suspension tuning demands a coilover spring that matches your setup's exact requirements—this 350 lb/in rate delivers the responsive, controlled handling you need for high-performance driving or track work. With a 10-inch length and 2.5-inch...SWI100-250-350B- SKU:
- SWI100-250-350B
- Availability:
- Ships Same Business Day
- Weight:
- 4.05 LBS
- Spring Rate:
- 350 lb.
- Spring Height:
- 10"
- Spring ID:
- 2.5"
$111.35 -
Coilover Spring 10in x 2.5in x 325lb 100-250-325 B
SWIFT SPRINGS
$111.35A properly-tuned suspension starts with the right spring rate, and this 325 lb/in coilover delivers the stiffness needed for responsive handling without sacrificing ride quality on the street or track. Whether you're fine-tuning a performance build or...SWI100-250-325B- SKU:
- SWI100-250-325B
- Availability:
- Ships Same Business Day
- Weight:
- 4.20 LBS
- Spring Rate:
- 325 lb.
- Spring Height:
- 10"
- Spring ID:
- 2.5"
$111.35 -
Coilover Spring 10in x 2.5in x 300lb 100-250-300 B
SWIFT SPRINGS
$111.35A stiff 300 lb/in spring rate makes this coilover ideal for track-focused builds where responsive handling and minimal body roll are non-negotiable. The 10-inch length and 2.5-inch inner diameter fit most coilover-ready chassis, giving you the...SWI100-250-300B- SKU:
- SWI100-250-300B
- Availability:
- Ships Same Business Day
- Weight:
- 4.00 LBS
- Spring Rate:
- 300 lb.
- Spring Height:
- 10"
- Spring ID:
- 2.5"
$111.35 -
Coilover Spring 10in x 2.5in x 250lb 100-250-250 B
SWIFT SPRINGS
$111.35A 250 lb/in spring rate delivers responsive, controlled suspension geometry for track-focused builds and performance street applications where factory compliance just won't cut it. This coil-over design integrates seamlessly into custom suspension...SWI100-250-250B- SKU:
- SWI100-250-250B
- Availability:
- Ships Same Business Day
- Weight:
- 3.55 LBS
- Spring Rate:
- 250 lb.
- Spring Height:
- 10"
- Spring ID:
- 2.5"
$111.35
