Promaster Koni Active Suspension Upgrade Front and Rear Reduce the back and forth

Reduce the back and forth sway over obstacles

800-pound capacity* and should not be compressed past 55% of their original height in order to maintain full memory rebound

1" thick shackle mounts for 3/4" shackles

Old Man Emu takes top-end racing technology to your off road adventures and every day use

Promaster Koni Active Suspension Upgrade Front and Rear Reduce the back and forthThe Koni Active front struts and rear shocks are finally here for your Promaster van with rear leaf spring suspension. Active technology will automatically adjust the shock or strut in high frequency situations to reduce damping and maintain comfort while firming the ride or increasing damping during low frequency situations to provide superior control and stability. You no longer have to compromise between comfort and stability. Great road handling