The Prothane rear spring cushions for 1997–2004 Chevrolet Corvette are black polyurethane spring insulators that help control spring movement and reduce noise where the rear springs seat. Designed for Corvette models in the 1997–2004 range, these cushions provide durable support compared with worn rubber pieces and help maintain proper spring positioning and quieter rear suspension operation over time.
Prothane 97-04 Chevy Corvette Rear Spring Cushions - Black