Dude, I've been using the spec stage 3 and the spec provided throwout for two years. I haven't had any issues. Get the Ford throwout and you'll be golden, but I just wanted to let you know that I haven't had any issues with mine.
Former owner of '99 CSVT - Silver #222/2760
356/334 wHP/TQ at 10psi on pump gas!
See My Mods
'05 Volvo S40 Turbo 5 AWD with 6spd, Passion Red
'06 Mazda5 Touring, 5spd,MTX, Black