283 x 3-3/4 Commercial Garage Door Torsion Spring -Black (Right Side)

Extended Lifespan: Rated for a minimum of 20,000 cycles, providing long-term durability and reducing the need for frequent replacements. Premium Material: Fabricated with high carbon ASTM 229 Class II Oil-Tempered Wire, offering excellent strength, flexibility, and corrosion resistance. Enhanced Performance: Optimized for spring rate, maximum deflection, and maximum load, ensuring smooth operation, precise tension, and accurate wind resistance. Pre-Installed Cones: Comes with winding and stationary cones, stenciled and color-coded for easy identification, making installation faster and simpler.