4 inch Standard Base Kit (Includes 1 bottom and 1 top mounting plate)
4 inch Wind Uplift Base Kit (Includes 1 bottom,1 top mounting plate, 2 pistons, and 2 PVC gaskets)
5 inch Standard Base Kit (Includes 1 bottom and 1 top mounting plate)
5 inch Wind Uplift Base Kit* (Includes 1 bottom,1 top mounting plate, 2 pistons, and 2 PVC gaskets)
Wind uplift base kit prevents wind uplift up to 2,800 pounds
Lifetime LImited Warranty