Promaster Koni Active Suspension Upgrade Front and Rear This is a great kit

This is a great kit for heavily built out adventure vans

bolt-in shocks that are built for performance applications and Leaf springs to match

(Lighting Zone 4 & 5)

2 Gas Struts

and increasing bottom out resistance without any unnecessary clunking or harshness

Promaster Koni Active Suspension Upgrade Front and Rear This is a great kitThe 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