much harder accelaration, much better backshift, its a very stout set up
8dn-20's with 4.5 rivets both holes, with either of the 2 following springs.
yamaha yellow/silver/yellow primary spring or a white/white/white yamaha spring, the white one is slightly more engagement speed is all.
w/w/w is 45/119, the y/s/y is 35/118
anyone of the following: 48-42, 50-42, 51/43,52-42 helix with green spring and set somewhere between 60-80, depends on your weight,traction,helix you choose,etc.
works in any year srx with great results