Ive only heard good things about LSR stems. On motosport you can get em in deals with bars(go all out and get the fasst bars and lsr stem)
As for stabalizers i rode with a scotts on my buddys dads quad and it seems high quality.
If you want the best and that you will notice the most difference!
Flexx Handlebars w/anti-vibe inserts
RTT Stabilizer with control switch
I have ran several bars and several stabilizers (Denton, PEP, Precision, GPR, Elka 5) and these are by far the best!
Mounting hardware will probably be different.Does anyone one know if a Precision Stabilizer for a YFZ450 will fit on a Raptor700?