Prothane Universal Coil Spring Inserts - 7.5in High - Red

Improve coil spring support and suspension performance with Prothane Universal Coil Spring Inserts, part number PRO19-1704. Designed for automotive applications, these red polyurethane inserts fit inside compatible coil springs to help reduce spring sag, improve ride height stability, and provide added support under load. Their universal design makes them a practical solution for a range of suspension setups where additional spring reinforcement is needed.
Prothane manufactures these inserts from durable polyurethane engineered to withstand the demands of everyday driving and performance use. Compared with conventional rubber components, polyurethane offers increased resistance to wear, compression, and common automotive fluids, helping the inserts maintain their shape and performance over time. The bright red finish also provides a distinctive appearance for visible suspension components.
Installation and fitment should be verified against the vehicle’s coil spring design and application requirements before purchase. The 7.5-inch height specification identifies the intended insert size, while the universal configuration provides flexibility for compatible automotive suspension systems. Whether used to support aging springs or enhance load-bearing capability, Prothane PRO19-1704 inserts offer a straightforward way to reinforce coil spring performance.

Features:

• Brand: Prothane

• Part Number: PRO19-1704

• Product Type: Universal coil spring inserts

• Application: Automotive suspension systems

• Height: 7.5 inches

• Material: Durable polyurethane construction

• Color: Red

• Function: Helps support coil springs, reduce sag, and improve ride height stability

• Design: Universal fit for compatible coil spring applications