Description

Vehicle fitment: FORD TRANSIT CUSTOM 2025 COIL SPRING MODEL.
This Firestone air helper kit is designed to support the rear suspension when carrying heavy loads, towing trailers, or travelling with added accessories.
It helps reduce sag, improve ride balance and maintain better stability under changing load conditions.
Kit contents vary by application but ASSC product pages list air springs, tubing, brackets, valves and related hardware for each fitment.
Professional installation is recommended and air pressure should always be maintained within the supplier guidelines.