Check the listing for details. Dynatek Dyna CDI Ignition Rev Box Arctic Cat 650 H1 TRV Mudpro All Models. Condition: New. Listed at 248.99 USD. Dynatek Dyna FS Performance CDI Box 4 Horsepower IncreaseThe Dyna FS for quads is our hottest new product this year. Direct Plug in Performance. As used by winning pro racers worldwide. Now available to You! Available with features that will let you customize your quad, and make it the trickest, fastest, baddest one around.Fits: 2006-2010 Arctic Cat 650 H1 ATV (all models) FeaturesImproved Timing CurvesHigher Rev Limit 8,000 rpm (7,400 stock)Removed Reverse Rev LimitIncreased Spark EnergyImproved Throttle ResponseEasier StartingDirect Plug-In Module (Replaces Original CDI Unit)Part # DFS10-51 Year Manufacturers Warranty Contact InformationCall us anytime with questions About usATV Galaxy is an authorized Dynatek dealer located in Irvine California. Please feel free to contact us anytime with questions or tech help. We are open Monday-Thursday 8-5 PM, Fridays 8-3:30 PM. NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLE. THE MANUFACTURE, SALE, OFFER FOR SALE, OR INSTALLATION OF THIS PRODUCT MAY ALSO BE ILLEGAL NATIONWIDE UNDER THE FEDERAL CLEAN AIR ACT (42 U.S.C. §7522(A)(3)) Listing and template services provided by inkFrog