that cable you linked is the fox adjustable cable. yes it's the cable mustangsteve uses.
It's also too short. If you use that cable, and route it properly so it doesn't bind, you'll be burning it up bad on #5 cylinder up front. If you route it shorter,...behind #8 and down towards the steering box, it'll bind it up.
I discovered this cable
Ford Racing M-7553-E302 - Ford Racing Clutch Linkage Upgrade Kits and Accessories
it's the longer 96+ cable. it worked 100% with my mustang steve quadrant. Straight up bolt on in place of the shorter fox cable that was on it. Now I can route it WAY past the headers up top. It doesn't even come close. If you're using the mustang steve quadrant, you HAVE to use an adj cable. He designed the radius too long on the quadrant to be able to use a factory non adj cable.
This is the above cable with the mustang steve quadrant. I'm all in the clear up top.
Now, the main issue with clutch cable install is that the cable actually HITS the pipe down below where it goes into the fork. You'll find that nearly all of the long tube headers out there all pass right in front of the mounting point for the bell. As a result...they hit/rub the tubes and melt. I burnt through my first cable in less than 5 miles...Some are able to pull the cable away from the headers with a zip tie..but that results in kinking the cable and premature cable failure.
If you want the cable setup to work, you MUST have proper clearance at the bell. The only headers that I've heard that are CHEAP and are supposed to have clearance at the bell are the hedman 88660 headers. However, these are for 351 cars. You can run them on a 302 car but they'll sit lower...which could be an issue for some.
I run the hedman 88300's on my 66 mustang..and the cable hit. I took the car into my friend and had him cut and relocate one tube.
The resulting effect was that I have a straight shot into the bell housing now with no kinking and no zip ties.
It does come pretty close to the two pipes but it does NOT TOUCH!!!!. I'm hoping between the heat reflective tape that I'm using, and a spark plug boot that I am going to wrap around the cable..that I'll have no issues.
with my setup as you see it the clutch pedal is so light I can depress it with my hand.