Yellow Speed Premium Competition Coilovers for 2004-2011 Mercedes-Benz SLK55 AMG (R171) CT 9kg/mm (166lb/in) rear rated springs

9kg/mm (166lb/in) rear rated springs Vehicle Fitment

2007 Lexus IS350 (GSE21)

1997 Honda Civic (rear fork)

Part Number SF-MB11-01-SP Vehicle 1996-2004 Mercedes-Benz SLK-Class  Drivetrain

Transition from Dual to Single Spring Rate for the 2020-2021 Polaris RZR PRO XP 4 Ultimate in utilizing stacked springs

Yellow Speed Premium Competition Coilovers for 2004-2011 Mercedes-Benz SLK55 AMG (R171) CT 9kg/mm (166lb/in) rear rated springsYellow Speed Racing Premium Competition Coilovers for the 2004 2011 Mercedes Benz SLK55 AMG (R171) deliver race ready performance for track day enthusiasts, weekend racers, and club level competitors without sacrificing daily drivability. Featuring inverted front strut technology for increased rigidity and reduced flex, this 1 way damping adjustable system gives drivers precise control over chassis behavior across varied driving conditions. The