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Public Safety

Emergency vehicles carry heavy gear, equipment, and personnel that quickly overwhelm factory suspension, leading to sag, sway, and unpredictable handling in critical moments. SuperSprings International keeps police, fire, EMS, and security fleets level, stable, and responsive — delivering the control operators need and the reliability fleets depend on.

Built for the Call. Trusted Every Mile.
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Everything your police fleet needs for stable handling, consistent control,
and zero maintenance — without the complications.

control car

Less Sway, More Control

Reduce roll and lean during high-speed response or heavy-load operation — even with full gear and personnel onboard.

Stays Level Under Load

No compressors, no air systems, no adjustments — just dependable, bolt-on performance with no added service needs.

Zero Maintenance

Keep vehicles balanced under tools, equipment, electronics, and personnel for safer handling and longer component life.

Detailed image of the American flag showcasing the stars and stripes symbolizing USA's patriotism and pride.

Made in the USA

Built in the USA, backed by a lifetime guarantee, and trusted by public safety fleets and upfitters nationwide.

Support When You Need It. Stability When It Counts

SMARTER SUSPENSION FOR EMERGENCY FLEETS

Public safety vehicles are pushed to their limits — loaded with tools, protective gear, communications equipment, and personnel, all while performing at high speeds and over unpredictable terrain. Factory suspension wasn’t built for that kind of demand.

SuperSprings progressive helper springs automatically adapt to changing loads, keeping vehicles level and stable through every shift. They reduce sag, sway, and body roll without affecting everyday ride quality — giving operators better control and fleets greater consistency across every vehicle.

No air systems. No maintenance. No downtime. Just reliable, American-built suspension that keeps your fleet ready for duty, every day.

Find the Right Kit for You

Product Spotlight – Coil SumoSprings

A SIMPLE UPGRADE WITH SERIOUS SUPPORT

PERFECT FOR POLICE, FIRE, EMS, AND EMERGENCY RESPONSE VEHICLES
Coil SumoSprings are a drop-in suspension enhancement for coil-sprung public safety vehicles — designed to add progressive load support without altering factory ride comfort or handling.

They install easily inside factory coil springs, automatically adjusting to changing loads from personnel, equipment, and safety modifications. The result is a level, more controlled stance that improves stability, reduces sag, and cuts down on body roll during high-speed maneuvers, emergency braking, or cornering.

No air systems. No adjustments. No maintenance. Just a dependable, bolt-in solution trusted by fleets, upfitters, and agencies nationwide — built to perform shift after shift, mile after mile.
Find the Right Kit for You

What Our Customers Are Saying

My 2017 Hyundai SF is a great SUV with the only complaint I’ve had is the rear suspension seems underside and appears to easily bottom out. I had the Coil SumoSprings installed and they made a noticeable improvement when pulling a 21′ boat.

Scott

2017 Hyundai Santa Fe

I just did a 900-mile ski trip from South Carolina to West Virginia in my 2017 Dodge Journey. With the car packed to the roof and skis on the rack, the rear Coil SumoSprings made a huge difference — cutting down sag, improving stability, and reducing body roll on curvy mountain roads. Install took some effort, but it was worth it. I’ve already ordered the front set to complete the setup.

Clarkson

2017 Dodge Journey

Bought a pair of the CSS-1195 for my 2018 Toyota Sienna XLS AWD. Very easy to install the SumoSpring for the front suspension. Noticeable improvements of the body roll reduction at the corners, which leads to better handlings and driving experience. Very satisfied with the purchase.

M. Huang

2018 Toyota Sienna XLS AWD

Engineered for Real-World Duty

Public safety vehicles operate in the toughest conditions — from urban streets to highways, rural response routes, and disaster zones. Our suspension solutions are built to perform under pressure, shift after shift.

Urban Patrol & Response

Reduce body roll and bounce from stop-and-go driving and uneven city streets.

Loaded Response Vehicles

Keep vehicles level and balanced under the added weight of gear, electronics, and personnel.

High-Speed Emergency Response

Maintain stability and predictable control during aggressive maneuvers, sudden turns, and emergency braking.

Fleet Consistency

Standardize performance across multiple chassis — reducing wear, improving driver confidence, and extending service life.

Public Safety Vehicles by Type

Discover suspension solutions engineered for different applications — designed to improve stability, control, and safety across every platform you build, upfit, or maintain.

SUVs

Ford Explorer, Chevrolet Tahoe/Suburban, GMC Yukon, and similar chassis benefit from Coil SumoSprings and SuperSprings to reduce sway, improve handling, and maintain control during high-speed responses.

Pickups & Trucks

Ford F-Series, RAM 1500–3500, Chevrolet Silverado/Sierra, Isuzu NPR/NRR — keep your fleet balanced under heavy loads, equipment racks, or firefighter gear, improving braking performance and handling in critical situations.

Vans & Commercial Vehicles

Transit, Promaster, Sprinter, Savana, and Express upgrades provide stable, level rides for EMT, EMS, and security vans carrying personnel, equipment, and medical or tactical gear.

Heavy-Duty & Specialty Vehicles

F53 motorhomes, Super C, and Class B/C emergency response vehicles achieve enhanced load support, reduced sway, and improved ride quality — critical for long-haul emergency travel or disaster response operations.

Towables & Support Trailers

5th wheel or pull-behind trailers equipped with SuperSprings solutions stay level and manageable, even when fully loaded with emergency supplies or specialized equipment.

Find Your Fit. Drive Safer Every Shift

READY TO UPGRADE YOUR FLEET?

Coil SumoSprings and SuperSprings deliver the stability, balance, and confidence public safety vehicles need — with a maintenance-free design built to outlast the vehicle itself.

Whether you manage police patrols, fire rescue units, EMS ambulances, security fleets, or specialized tactical vehicles, our suspension systems help every vehicle perform at its best — mile after mile, shift after shift.

No air systems. No leaks. No downtime. Just dependable, American-made suspension that helps your teams respond with confidence and your fleet operate with consistency.

Find Your Fleet Kit

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