Dalton Industries Clutch Spring Kit Adjustable Dbm1000 The ultimate in qualilty for riders who care about performance and want to get the most out of their equipment Extensive testing and exacting production standards create some of the best clutch tuning components in the industry. More powerful engine version with higher HP from different engine configuration makes more power in a different way New drive clutch uses different flyweights with different features than previous models Can be set up for different situations