this
http://rcshox.com/shoxshop/catalog/i...ddf7bb8903e8f7
and this
http://gearrings.weebly.com/rc-racing-stuff.html
You will have all the clutch tuning you could ever need, and will never have to buy another clutch part.

I just bought a ton of hop ups, tires&hazard rim, and spring, and noticed when I installed the yellow springs, they no longer rub the shock body I was so peaved when I got the ft shcok bodys, only to have the springs rub on them, well thats a thing of the past