Supplied in single packs. You will need to purchase two of these for fitting to a car. Coil Spring Assisters are necessary because most standard car springs are designed for the comfort of the passengers and are not strong enough to take the extra loading of towing and heavy weights carried in the boot. GRAYSTON Coil Spring Assisters and Raisers are manufactured in a hard rubber compound and can be fitted by the average DIY motorist without special tools. They are progressive in operation. To suit 39mm to 51mm gap. The gap is measured between the coils (daylight) approx half way down the spring, when the vehicle is jacked up by the body until the wheel is off the ground.
Grayston Engineering are one of the largest suppliers of nuts / bolts / studs and studding / spacer kits and spacer shims in the automotive aftermarket.