Valve springs posted by toykoz32 on February 05, 2009 at 09:12 PM
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FYI...all supertech items that are designated for the VG are rebranded Ferrea parts. So either way your buying Ferrea. I'm working on a stiffer single coil spring right now for this issue as the tools needed to mill down that guide boss at the top of the guide is hard to come by. Running a dual coil spring is good..however after checking the install height pressure at seat its not that much better than the JWT single coil springs. IMO for the money right now stick with the JWT. Just my opinion