Swift Racing Springs

Bump stop springs are critical suspension components that prevent metal-to-metal contact at full compression, protecting your chassis and suspension geometry during aggressive cornering, braking, and track work. The SBS4500 delivers a stiff 4500 lb/in...

Bump springs are critical suspension components that prevent metal-to-metal contact when your suspension reaches full compression, protecting your chassis and components from catastrophic damage during hard cornering, braking, or track conditions. The...

Helper springs are essential for fine-tuning suspension performance, especially when you need to adjust ride height or support increased loads without compromising ride quality. This 50lb coil spring provides precise load support and works seamlessly as...

Helper springs are essential for maintaining proper suspension geometry and ride height, especially when running lowered setups or adding payload capacity. A 4lb spring rate makes this ideal for fine-tuning suspension preload without overwhelming your...

A properly matched coil spring is fundamental to any suspension build—this 65 lb/in conventional spring delivers predictable, linear rate characteristics ideal for street and road course applications where consistent handling matters. The 20-inch length...

When you're tuning suspension geometry for track performance, spring rate consistency directly impacts your ability to dial in predictable handling characteristics. This 50 lb/in coilover spring delivers the linear load curve you need for precision...

A properly tuned suspension starts with the right spring rate, and this 65 lb/in coil spring delivers consistent load support for street, road course, and light track applications. The 16-inch length and 5-inch inner diameter fit common suspension...

A properly tuned suspension demands springs engineered to exact specifications, and this Bulletproof coilover spring delivers the precision your setup demands. With a 175 lb/in rate and 16-inch length, it's built to handle serious corner speeds while...

Precision suspension tuning demands a spring that matches your setup's exact requirements—this Bulletproof coilover spring delivers consistent 160 lb/in rate for predictable handling and repeatability lap after lap. Whether you're dialing in a road...

Fine-tuning your suspension geometry requires springs that deliver consistent rate and longevity under demanding conditions. This 150 lb/in coilover spring provides the midrange compliance needed for both street and track applications, allowing you to...

Suspension geometry demands precision, and this 140 lb/in coilover spring delivers the consistent rate you need for predictable handling and repeatable lap times. Whether you're tuning a road course setup or dialing in a street-performance build, a...

A properly tuned suspension starts with the right spring rate, and this 125 lb/in coilover spring delivers the precision your setup demands. Whether you're fine-tuning your track car or building a custom suspension geometry, the Bulletproof 16-inch...

Precision suspension tuning demands a spring that matches your exact setup requirements—and this Bulletproof coilover delivers the consistency and durability professional racers and serious track enthusiasts depend on. With a 150 lb/in rate, it's...

Precision suspension tuning demands a spring that delivers consistent performance lap after lap without compromise. This Bulletproof coilover spring offers a moderate 125 lb/in spring rate, making it ideal for street-driven performance cars and road...

A properly tuned suspension starts with the right spring rates, and this 100 lb/in coilover spring delivers the progressive support your setup needs for consistent handling across track conditions. Built with a durable copper powder coat finish and...

If you're building a performance suspension system, you need a coil spring engineered to handle serious track demands without compromising ride quality. The Barrel Spring 16in x 2.5in 110# delivers consistent spring rates and durability through a proven...

If you're tuning your rear suspension for track duty or aggressive street driving, spring rate is everything—and a 300 lb/in conventional spring gives you the stiffness needed for consistent handling without sacrificing ride quality. This 14-inch coil...

A properly-tuned rear suspension is fundamental to consistent lap times and predictable handling characteristics. This 275 lb/in conventional coil spring provides the stiffness needed for track-focused vehicles while maintaining enough compliance for...

A stiffer rear spring rate demands precision engineering, and this 250 lb/in conventional coil spring delivers predictable suspension geometry for track-focused setups. Whether you're tuning a dedicated race car or upgrading a performance build, this...

A properly matched rear spring is critical for maintaining consistent suspension geometry and predictable handling characteristics on the track or strip. This 225 lb/in conventional coil spring delivers the stiffness needed for performance applications...