KYM Steel 4-Spring Lower Arm & Spring Set

The KYM Steel 4-Spring Lower Arm & Spring Set (T-STH-4SP93-EMPPS) provides a single-side replacement lower pivot and arm assembly for steel front-to-back flip-arm tarp systems. Ideal for targeted lower-section repairs, this kit replaces the lower arm, pivot pin, and spring pack on one side of the dump body without requiring a full system replacement.

Key Features

• Single-Side Lower Rebuild: Includes the lower steel arm, pivot pin, springs, and mounting hardware for one side.
• Heavy-Gauge Steel Lower Arm: Fabricated steel construction designed for strength and durability during dumping operations.
• 4-Spring Torsion Capacity: Uses four spiral torsion springs to support arm extension and retraction.
• Complete Pivot Hardware: Includes stainless steel bushings, a retaining ring, and 5/8-inch mounting bolts.

Specifications

• Part Number: T-STH-4SP93-EMPPS
• Vendor: KYM Industries / TSI
• Material: Fabricated steel arm and alloy springs
• Spring Capacity: 4 spiral torsion springs
• Coverage: One lower arm assembly for one side; order 2 for both sides.

What’s Included

• (1) 4-spring steel lower arm
• (1) 4-spring pivot pin
• (4) Spiral torsion springs
• (2) 5/8-inch bolts, washers, and lock nuts
• (2) Stainless steel bushings
• (1) External retaining ring