Skyjacker Suspension coil spring.

Engineered for improved handling and for proper front-end alignment, this system integrates smoothly and functions perfectly. Raising your Super Dutys suspension clearance makes room to run larger, more aggressive 33-inch tires. Skyjacker's Softride® coil springs provide the right rate and soft ride for your Diesel engine. Skyjacker's legendary Softride® technology engineered processes achieve maximum wheel travel, ride quality and extends the long-lasting life of this variable rate coil spring. Compressing the spring completely down to where the coils touch (solid height) is preset. This takes any fatigue or stress off the spring and eliminates sagging. Detailed, straightforward installation with a step-by-step guide.

Use the vehicle selector to confirm your exact year and configuration.