Pinnacle 4x4 Frequently Asked Questions
Shape factor and durometer (density) are the two criteria that most effect spring rates. By varying durometer and shape factor, a wide range of spring curves can be achieved.
Drivetech SumoSprings have been designed to assist in levelling your vehicle and reducing body roll when carrying load. You should never exceed the vehicles gross vehicle mass rating.
Yes. All Drivetech SumoSprings come with an exploded view schematic and detailed fitting instructions.
Installation available at pinnacle 4x4