FUTone.com Demonstrates how to modify the route in an EVH Standard Series Guitar. This is the only EVH Series Guitar that requires a slight modification to the tremolo route for upgrading purposes. The suggest upgrade parts are: 42L Brass Big Block, Titanium Saddle Inserts, HD Noiseless Springs, Brass Claw and Claw Screws, Stainless Steel or Titanium Hardware (String Lock, Saddle Mount and Nut Clamp Screws), EVH DTuna and a Brass Tremolo Stopper. All available at https://www.futone.com/