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 10in x 2.5in x 225lb 100-250-225 B
SWIFT SPRINGS
$111.35A properly tuned suspension starts with the right spring rate, and this 225 lb/in coilover is engineered for vehicles requiring firm damping control without excessive harshness. Whether you're fine-tuning a street-legal track car or dialing in a...SWI100-250-225B- SKU:
- SWI100-250-225B
- Availability:
- Ships Same Business Day
- Weight:
- 3.30 LBS
- Spring Rate:
- 225 lb.
- Spring Height:
- 10"
- Spring ID:
- 2.5"
$111.35 -
Coilover Spring 10in x 2.5in x 200lb 100-250-200 B
SWIFT SPRINGS
$111.35A properly tuned suspension starts with the right spring rate, and this 200lb/in coilover delivers the responsive handling you need for precision cornering and consistent chassis control. Whether you're fine-tuning a road course setup or dialing in a...SWI100-250-200B- SKU:
- SWI100-250-200B
- Availability:
- Ships Same Business Day
- Weight:
- 2.90 LBS
- Spring Rate:
- 200 lb.
- Spring Height:
- 10"
- Spring ID:
- 2.5"
$111.35 -
Coilover Spring 10in x 2.5in x 175lb 100-250-175 B
SWIFT SPRINGS
$111.35If you're building a custom suspension setup or upgrading your coil-over system, you need a spring that delivers consistent, predictable handling without compromise. This 175 lb/in coilover spring provides the stiffness required for responsive cornering...SWI100-250-175B- SKU:
- SWI100-250-175B
- Availability:
- Ships Same Business Day
- Weight:
- 3.20 LBS
- Spring Rate:
- 175 lb.
- Spring Height:
- 10"
- Spring ID:
- 2.5"
$111.35 -
QA1 Coil Spring 2.5in ID x 9in Black 9HT300B
QA1
$79.95When you're building a coil-over suspension system, spring rate consistency directly impacts handling precision and ride quality. The QA1 9HT300B delivers a stiff 300 lb/in rate in a compact 2.5-inch bore, making it ideal for high-travel applications...QA19HT300B- SKU:
- QA19HT300B
- Availability:
- Ships Same Business Day
- Weight:
- 3.40 LBS
$79.95 -
QA1 Coil Spring - 2.5in x 9 140# 9HT140
QA1
$79.95Whether you're building a dedicated track car or dialing in a coil-over suspension system, spring rate selection is critical to chassis balance and handling predictability. The QA1 9HT140 delivers a 140 lb/in rate in a compact 9-inch package, making it...QA19HT140- SKU:
- QA19HT140
- Availability:
- Ships Same Business Day
- Weight:
- 1.95 LBS
$79.95 -
QA1 Coil Spring 2.5in ID x 14in Black 14HT350B
QA1
$79.95If you're building a coil-over suspension system, spring rate directly impacts your vehicle's handling balance, ride height control, and overall chassis dynamics. This QA1 spring delivers a solid 350 lb/in rate—stiff enough for performance driving...QA114HT350B- SKU:
- QA114HT350B
- Availability:
- Ships Same Business Day
- Weight:
- 7.00 LBS
$79.95 -
QA1 Coil Spring 2.5in ID x 14in Black 14HT250B
QA1
$79.95If you're building a dedicated track car or race-ready suspension setup, spring rate consistency is critical—and the QA1 14HT250B delivers the predictable, linear response you need for precise tuning. This coil-over spring is engineered to handle...QA114HT250B- SKU:
- QA114HT250B
- Availability:
- Ships Same Business Day
- Weight:
- 6.00 LBS
$79.95Qty in Cart: 0Quantity:Price:$79.95Subtotal: -
QA1 Coil Spring 2.5in ID x 14in Black 14HT200B
QA1
$79.95Tuning your suspension geometry requires springs that deliver predictable, consistent performance lap after lap. The QA1 14HT200B is a purpose-built coil spring engineered for drivers who demand precision—whether you're dialing in a track-day car or...QA114HT200B- SKU:
- QA114HT200B
- Availability:
- Ships Same Business Day
- Weight:
- 4.80 LBS
$79.95 -
QA1 Coil Spring 2.5in ID x 14in Black 14HT150B
QA1
$79.95If you're building a coil-over suspension system, spring rate consistency is critical to predictable handling and driver confidence. The QA1 14HT150B delivers a proven 150 lb/in rate in a compact 2.5-inch ID package, making it ideal for custom chassis...QA114HT150B- SKU:
- QA114HT150B
- Availability:
- Ships Same Business Day
- Weight:
- 3.80 LBS
$79.95 -
QA1 Coil Spring 2.5in ID x 14in Black 14HT110B
QA1
$79.95If you're building or tuning a performance suspension system, spring rate is everything—and the QA1 14HT110B delivers a moderate 110 lb/in rate that works across a wide range of street and track applications. This coil-over spring is engineered for...QA114HT110B- SKU:
- QA114HT110B
- Availability:
- Ships Same Business Day
- Weight:
- 3.00 LBS
$79.95 -
QA1 Coil Spring 2.5in ID x 14in Black 14HT095B
QA1
$79.95The QA1 Coil Spring delivers the responsive suspension tuning that separates competitive setups from mediocre ones. With a 95 lb/in spring rate, this coil-over spring provides the progressive load control needed for consistent handling across varying...QA114HT095B- SKU:
- QA114HT095B
- Availability:
- Ships Same Business Day
- Weight:
- 3.00 LBS
$79.95 -
QA1 Coil Spring 2.5in ID x 12in Black 12HT500B
QA1
$79.95If you're building a coil-over suspension system that demands precision and reliability, the QA1 2.5in ID coil spring delivers the consistent spring rate you need for predictable handling and performance tuning. At 500 lb/in, this spring provides a stiff...QA112HT500B- SKU:
- QA112HT500B
- Availability:
- Ships Same Business Day
- Weight:
- 7.30 LBS
$79.95 -
QA1 Coil Spring 2.5in ID x 12in Black 12HT450B
QA1
$79.95If you're tuning a coil-over suspension system, spring rate is everything—and 450 lb/in gives you the responsive, linear support needed for consistent track performance without sacrificing street comfort. This QA1 spring delivers predictable load...QA112HT450B- SKU:
- QA112HT450B
- Availability:
- Ships Same Business Day
- Weight:
- 6.60 LBS
$79.95 -
QA1 Coil Spring 2.5in ID x 12in Black 12HT400B
QA1
$79.95A properly tuned suspension starts with the right spring rate, and the QA1 12HT400B delivers the precision stiffness you need for predictable handling and consistent lap times. Whether you're fine-tuning a street machine or dialing in a dedicated track...QA112HT400B- SKU:
- QA112HT400B
- Availability:
- Ships Same Business Day
- Weight:
- 6.70 LBS
$79.95Qty in Cart: 0Quantity:Price:$79.95Subtotal: -
QA1 Coil Spring 2.5in ID x 12in Black 12HT200B
QA1
$79.95If you're building a coil-over suspension system that demands precise load control and consistent performance across track sessions, you need springs engineered for repeatability. QA1's 12-inch coil springs deliver the predictable rate consistency that...QA112HT200B- SKU:
- QA112HT200B
- Availability:
- Ships Same Business Day
- Weight:
- 3.80 LBS
$79.95 -
QA1 Coil Spring 2.5in ID x 12in Black 12HT170B
QA1
$79.95If you're building a coil-over suspension system, spring rate consistency is non-negotiable—and this QA1 spring delivers exactly that. At 170 lb/in, it's engineered to provide predictable load control and precise chassis geometry, whether you're...QA112HT170B- SKU:
- QA112HT170B
- Availability:
- Ships Same Business Day
- Weight:
- 3.50 LBS
$79.95 -
QA1 Coil Spring 2.5in ID x 12in Black 12HT150B
QA1
$79.95A coil spring's job is straightforward: manage suspension geometry and control ride quality under load. The QA1 12HT150B delivers a 150 lb/in spring rate in a compact 2.5-inch bore, making it ideal for vehicles running coil-over setups where precise...QA112HT150B- SKU:
- QA112HT150B
- Availability:
- Ships Same Business Day
- Weight:
- 3.30 LBS
$79.95 -
QA1 Coil Spring 2.5in ID x 12in Black 12HT110B
QA1
$79.95The QA1 Coil Spring delivers consistent, predictable suspension geometry critical for track-focused applications and precision handling. Its 110 lb/in spring rate provides the stiffness needed for controlled cornering without sacrificing ride quality,...QA112HT110B- SKU:
- QA112HT110B
- Availability:
- Ships Same Business Day
- Weight:
- 2.60 LBS
$79.95 -
QA1 C/O Spring - 4.125ID x 11 250# 11HTBF250
QA1
$104.95If you're running a coil-over suspension system, spring rate directly determines how your chassis handles load transfer and compliance. The QA1 250# spring delivers a moderate rate that balances responsiveness with ride comfort, making it ideal for...QA111HTBF250- SKU:
- QA111HTBF250
- Availability:
- Ships Same Business Day
- Weight:
- 5.29 LBS
$104.95 -
QA1 C/O Spring - 4.10 ID X 10 750# Silver 10HTBF750
QA1
$104.95When you're tuning your suspension for precise handling and consistent performance, spring rate is everything—and the QA1 C/O Spring delivers the 750 lb/in stiffness needed for responsive cornering without sacrificing ride quality. This conventional coil...QA110HTBF750- SKU:
- QA110HTBF750
- Availability:
- Ships Same Business Day
- Weight:
- 7.50 LBS
$104.95
