Carli Suspension Leveling Full Replacement Progressive Leaf Spring Pack 08-10 Ford SuperDuty F-250/F-350 4x4 Options:Standard 4340 hardened turbine splines provide

4340 hardened turbine splines provide longevity due to engine torsional stress

This single-walled

IMPORTANT NOTE

SOLD AS A PAIR

Carli Suspension Leveling Full Replacement Progressive Leaf Spring Pack 08-10 Ford SuperDuty F-250/F-350 4x4 Options:Standard 4340 hardened turbine splines provideYou want the ride, without the additional height of Carli's original Full Spring Pack for your SuperDuty? Carli's Leveling Full Progressive Spring Pack are specifically designed to work in conjunction with their leveling systems to deliver a level stance, but without the additional height of their 4. 5" systems. The spring pack delivers smoother suspension cycling in all situations, highway, off road and towing. Designed to eliminate the factory rear