Conv Rear Spring 5in x 11in x 175#

The Conv Rear Spring 5in x 11in x 175# by AFCO Racing Products is a purpose-built coil spring engineered for high-performance vehicles and custom suspension setups. This conventional rear spring is designed for drivers and fabricators who demand precise load control and consistent handling characteristics during both street and track use. Whether you're tuning a drag car, road race competitor, or custom street machine, this AFCO spring delivers the consistent rate and durability required for demanding automotive applications where OEM springs simply cannot match performance demands.

At 175 pounds per inch, this spring rate provides moderate stiffness suitable for vehicles carrying moderate weight while maintaining ride comfort and compliance over bumps. The 5-inch free length and 11-inch coil diameter combination allows flexible packaging in various rear suspension configurations, accommodating custom chassis work and aftermarket suspension geometry modifications. AFCO Racing Products constructs this spring using high-quality steel alloys and precision winding, ensuring consistent load curves and extended service life even under repeated heat cycling and load variations common in performance driving. The compact 4.22-pound weight minimizes unsprung mass, contributing to improved suspension response and weight transfer characteristics critical for handling performance.

Mechanics, fabricators, and performance enthusiasts benefit most from this spring when building custom independent rear suspension systems, upgrading coilover setups, or fine-tuning multi-link rear assemblies. Installation requires proper suspension geometry verification and may necessitate complementary damper tuning to optimize vehicle balance. This spring integrates seamlessly into existing AFCO Racing Products suspension packages or standalone applications where 175# rate matches your vehicle's weight, power output, and intended use. Verify mounting bore diameter and suspension travel limits before purchase to ensure compatibility with your specific platform.