I have a Hobbico Digital CS170 Servo High torque Servo with titanium gears this servo was ran in my RC8 for 1 season about 7 races.
This also comes with a RACERS EDGE ALUMINUM SERVO HORN $15
Here is the link to the servo at Tower hobbies --
http://www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXNRN6
55 shipped
Feel free to give me a call if you have any questions 480-540-4368
Im selling all rc stuff so please look at my other ads for items for sale