A bump stop with bump stop extensions will deliver two benefits. Firstly, it limits the upward movement of your vehicle's axle which prevent larger tyres from rubbing the fender. Second, they enable for a longer shock, cushioning the blow without slowing axle compression.
The primary use a bump stop is to act as a final suspension cushion to prevent the metal parts of your vehicle clashes or moving too far, therefore preventing damage to your suspension or chassis.
In a word, yes. What's more they are an often overlooked part of the suspension which, if well looked after, will save on other parts and enhance your drive experience. The bump stop limits suspension movement by making contact before any other suspension part does, saving damage.
Hydraulic bump stops carry shock oil and nitrogen pressure. At the first stage of the bump stop stroke, the shaft and piston compress the nitrogen pressure which then behaves like a spring with an exponentially quickening spring rate.
Hydraulic bump-stops, also known as "air bumps", are perfect for vehicles which experience suspension bottoming out at high speeds, or when carrying a heavy load. Hydraulic bump stops are created with a short stroke, velocity sensitive pressurised emulsion shock.
First, record the measurements on each side between the upper bump stop tube and the axle bump stop pad, then add about 1.5"... the result is your minimum bump stop requirement. Repeat the process with the shocks installed and stop when you have about 1.5" of rod exposed on each shock.
A rear bump stop will improve your vehicle's handling while looking after your suspension. It will stop your vehicle bottoming out, preventing all the damage that can bring to your vehicle and to you.