Conventional Spring 20in x 5in x 80lb

The Conventional Spring 20in x 5in x 80lb (Model SWI200-500-080) is a heavy-duty coil spring engineered for automotive suspension systems, particularly rear axle applications where consistent load support and damping are critical. This steel compression spring is designed for vehicles requiring reliable spring rate performance in demanding conditions, from truck beds and trailers to performance suspension builds. Its 80 lb/in spring rate delivers the precise force management needed for controlled ride quality and load handling across varied terrain and payload scenarios.

Built from high-grade steel and finished with a durable black powder coat, this conventional spring resists corrosion and maintains structural integrity through repeated compression and extension cycles. The 5-inch outer diameter and 20-inch length make it compatible with standard rear suspension mounts, while the 80 lb/in spring constant ensures predictable deflection under load. The black powder coat finish protects against rust and extends service life in wet, salt-laden, or high-vibration environments common to truck beds, agricultural equipment, and heavy-duty vehicle platforms. Weighing 7.6 pounds, this spring integrates easily into existing suspension assemblies without requiring significant frame modifications.

Mechanics, fleet operators, and off-road enthusiasts benefit from this spring's proven performance in rear suspension systems where factory springs have weakened or where custom load ratings are necessary. Installation typically requires basic hand tools and suspension hoist support; always verify spring compatibility with your vehicle's frame geometry and existing suspension components before purchase. This coil spring is sold individually—most vehicles require multiple springs for balanced suspension geometry. Check your vehicle's maintenance manual or consult a suspension specialist to confirm the correct spring rate and dimensions for your application.