Bilstein M 7100 Classic shock absorbers are the most successful shock absorbers in off-road racing history. Since their inception in the early 70's, these 46mm monotube shock absorbers are equipped on more winning off-road cars and trucks than any other shock absorber. Today, the M 7100 Classic shock absorbers are perfect for meeting the demands of vintage off road race cars and VW based off-road recreational vehicles. Withstanding the test of time, the M 7100 Classic shock absorber will deliver period correct performance.