KYM Underbody 10 Spiral Spring Set

The KYM Underbody 10 Spiral Spring Set Driver/Passenger Combo (T-UBSS10) replaces the internal spring assemblies on both sides of dump truck and end dump tarp systems. Positioned underneath the body, these spiral springs provide the torque needed to swing the side arms forward and keep the tarp tight over long dump beds.

Key Features

• Complete Pair: Rebuilds both driver and passenger sides of underbody tarp systems in one kit.
• Modular Springs: Allows individual spring replacement for easier, lower-cost maintenance.
• Heavy-Duty Tension: Designed to maintain tension on large dump bodies and end dumps.
• Underbody Protection: Mounts beneath the bed, away from some falling rocks and debris.

Specifications

• Part Number: T-UBSS10
• System Type: Underbody flip-arm tarp systems / end dumps
• Spring Type: Spiral torsion springs
• Orientation: Driver side (LH) and passenger side (RH) combo

Replacement Compatibility

• US Tarp: 11224 / 11225
• US Tarp: 13954 / 13955

What’s Included

• (1) Driver-side (LH) Underbody 10 spiral spring assembly
• (1) Passenger-side (RH) Underbody 10 spiral spring assembly