The Cooper S comes from the factory with a sporty and capable suspension but there's always room for improvement. This MINI shock/spring package uses stiffer and shorter springs to reduce bodyroll and better control weight transfer. The lower and stiffer suspension will allow more speed to be carried through corners with more confidance.
H&R Sport springs lower the ride height 1.0" front and 0.75" in the rear and stiffens the spring rate. Both combine to lower the car's center of gravity and reduce the amount of bodyroll in corners. The springs are progressive rate so their initial stiffness is actually very compliant and it becomes stiffer as the spring is compressed. This is great for street cars that see bumps and potholes where suspension compliance is key. Overall, they are about 30% stiffer than the stock original springs.
We use Bilstein Sport shocks as the dampers and they feature Bilstein's patented and innovative valving system. With this system, small bumps and impacts are absorbed as they should be. But the shocks stiffen for cornering and other suspension motions. It's the best of both worlds as the shock self-adjusts based on suspension motion. These fit with the stock strut and shock mounts, making for an easy and clean install.
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