Add preload and effective rate to rear torsion springs to reduce excessive sagHelp compensate for a heavy rider or additional gear such as fuel or toolsIncrease efficiency of rear torsion...
Kimpex Spring Retainer 299908 Ski-Doo -- Summit X 1000 High Mark w/162" Track -- (2007, 2006); Ski-Doo -- Summit X 1000 High Mark w/151" Track -- (2007, 2006); Ski-Doo -- Summit 550F w/136" Track --...