
If your operations are based in or around Charlotte, reliable spring components are essential for maintaining safe, efficient, and high-performing transportation equipment.
At Southern Precision Spring, we produce bus seat extension springs, helical springs, and torsion springs designed specifically for transportation applications. Whether you're manufacturing new components or replacing worn parts, our spring solutions are built for strength, consistency, and long-term performance.
Engineered for Transportation Applications
We partner with manufacturers, fleet operators, and service teams throughout Charlotte to provide spring solutions that perform in real-world transportation environments.
Common Applications We Support:
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Bus seat springs and extension systems
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School bus stop sign arm mechanisms
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Steering wheel spring components
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General transportation and vehicle spring assemblies
Our springs are built to withstand repeated motion, vibration, and environmental exposure while maintaining consistent performance.


Spring Types We Offer
Bus Seat Extension Springs
Designed for flexibility, durability, and comfort, these springs provide consistent support and long-lasting performance in high-use seating environments.
Helical Springs
Versatile and widely used across transportation systems, helical springs deliver controlled force and reliable motion across a range of applications.
Torsion Springs
Ideal for rotational force applications such as stop sign arms and steering components, torsion springs ensure smooth, controlled movement and dependable return action.
Why Charlotte Transportation Companies Choose Southern Precision Spring
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Application-Specific Engineering – Springs designed for transportation use cases, not generic off-the-shelf parts
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Consistent Performance – Built to maintain strength and function under repeated stress
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Reliable Lead Times – We understand operational timelines and help keep production moving
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Custom and Replacement Solutions – Whether you need a new design or a direct replacement, we’ve got you covered

Need Transportation Springs in Charlotte?
If you're looking for bus seat springs, stop sign arm springs, or steering-related spring components, Southern Precision Spring is ready to support your project.
Let’s identify the right spring solution for your transportation needs.
Contact Southern Precision Spring today to request a quote or learn more.
