Complete Front & Rear Suspension Upgrades for RVs, Towables & Commercial Builds
One‑Package Solution That Balances Load Support, Ride Comfort & Stability
When you’re building RVs, towables, or commercial up‑fits, your customers expect a drive quality and durability that exceeds a simple helper spring. SumoSprings Combo Kits deliver matched front and rear support in a single package—designed for OEMs, upfitters, dealers and fleets who need turnkey ride and handling performance under real‑world load conditions.
When you’re building RVs, towables, or commercial up‑fits, your customers expect a drive quality and durability that exceeds a simple helper spring. SumoSprings Combo Kits deliver matched front and rear support in a single package—designed for OEMs, upfitters, dealers and fleets who need turnkey ride and handling performance under real‑world load conditions.
Engineered for Full‑Vehicle Load Control
Whether you’re towing a 5th‑wheel, outfitting a mobile service vehicle, or building a fleet of high‑payload vans, your suspension demands go well beyond factory specs. With Combo Kits you get:
How It Works
Ideal for RVs, Towables & Commercial Fleet Builds
OEM & Towable Builders:
● 5th-wheel trailers and pull-behind campers that need consistent tow vehicle handling and minimized sag.
● RV chassis and motorhomes (Class A, B, C) where the suspension must manage water tanks, gear, passengers, and load shifts without bottoming.
Commercial & Fleet Applications:
● Service vans, utility trucks, and mobile builds that carry gear, modules, ladders, or trailers and need predictable ride handling.
● Rental fleets or shared mobile assets where downtime must be minimized and ride performance is a differentiator.
Built to Withstand the Toughest Environments
Why Dealers, Upfitters & OEMs Choose Combo Kits
Durability That Outlasts the Road Aheadvironments
● Simplified Inventory — One complete kit covers front + rear, reducing part numbers and installation complexity.
● Repeatable Install Process — Bolt-on solution with fewer variables than multiple separate components.
● Enhanced Driver Confidence — Better control, less body lean, and safer bouncing/swaying scenarios minimize service callbacks.
● OEM Supply Chain Friendly — Built for production environments, warranty-ready, and designed for long service life.
● Repeatable Install Process — Bolt-on solution with fewer variables than multiple separate components.
● Enhanced Driver Confidence — Better control, less body lean, and safer bouncing/swaying scenarios minimize service callbacks.
● OEM Supply Chain Friendly — Built for production environments, warranty-ready, and designed for long service life.
Smarter Suspension Support, Without the Tradeoffs
Select the Right Combo Kit for Your Vehicle Build
1. Determine vehicle type (tow rig, 5th wheel hauler, service van, motorhome) and expected payload/axle ratings.
2. Use the vehicle fitment lookup to select the correct Combo Kit part number for both front & rear.
3. Install according to the included instructions — bolt-on design, no air systems, minimal downtime.
4. Operate with confidence: your vehicle now has commercial-grade suspension that supports heavy loads, improves ride, and requires minimal maintenance.
2. Use the vehicle fitment lookup to select the correct Combo Kit part number for both front & rear.
3. Install according to the included instructions — bolt-on design, no air systems, minimal downtime.
4. Operate with confidence: your vehicle now has commercial-grade suspension that supports heavy loads, improves ride, and requires minimal maintenance.
Why the Industry Trusts SuperSprings
Full‑Vehicle Support. One Kit. Better Performance.
A Product Built for Real-World Demands
SumoSprings Combo Kits give OEMs, dealers, upfitters and fleet operators a proven way to upgrade ride quality, reduce sag and improve stability for both tow vehicles and towed assets. Whether you’re building trailers, motorhomes or mobile work trucks, this solution keeps vehicles performing from day one—with fewer service issues and better driver satisfaction.
Browse Combo Kits
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K-10-001 | SumoSprings Front & Rear Kit
Capacidad: 10000 (lb) Capacity at 50% CompressionAgregar a Solicitud de Cotización
Cargo: Delantero y trasero -
K-10-002 | SumoSprings Front & Rear Kit
Capacidad: 10000 (lb) Capacity at 50% CompressionAgregar a Solicitud de Cotización
Cargo: Delantero y trasero -
K-10-003 | SumoSprings Front & Rear Kit
Capacidad: 6000 (lb) Capacity at 50% CompressionAgregar a Solicitud de Cotización
Cargo: Delantero y trasero -
K-10-004 | SumoSprings Front & Rear Kit
Capacidad: 10000 (lb) Capacity at 50% CompressionAgregar a Solicitud de Cotización
Cargo: Delantero y trasero -
K-10-005 | SumoSprings Front & Rear Kit
Capacidad: 10000 (lb) Capacity at 50% CompressionAgregar a Solicitud de Cotización
Cargo: Delantero y trasero -
K-10-008 | SumoSprings Front & Rear Kit
Capacidad: 2800 (lb) Capacidad a 50% CompresiónAgregar a Solicitud de Cotización
Cargo: Delantero y trasero -
K-10-011 | SumoSprings Front & Rear Kit
Capacidad: 3000 (lb) Capacidad a 50% CompresiónAgregar a Solicitud de Cotización
Cargo: Delantero y trasero -
K-30-006 | SumoSprings Front & Rear Kit
Capacidad: 1400 (lb) Capacidad a 50% CompresiónAgregar a Solicitud de Cotización
Cargo: Delantero y trasero -
K-30-007 | SumoSprings Front & Rear Kit
Capacidad: 1900 (lb) Capacidad a 50% CompresiónAgregar a Solicitud de Cotización
Cargo: Delantero y trasero -
K-30-009 | SumoSprings Front & Rear Kit
Capacidad: 2800 (lb) Capacidad a 50% CompresiónAgregar a Solicitud de Cotización
Cargo: Delantero y trasero -
K-30-010 | SumoSprings Front & Rear Kit
Capacidad: 1500 (lb) Capacidad a 50% CompresiónAgregar a Solicitud de Cotización
Cargo: Delantero y trasero
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