Mate you can buy most of this stuff from Kingswood country. I went to full cable on my HZ and it was the best thing I ever did for drivability. The half rat trap/cable felt like it was going to rip out of the firewall and give me a giant left leg. Now its effortless. Id fully recommend going full cable with the proper bellhousing etc while you have the chance.

I think you need a V8 clutch pedal as the fork is slightly higher than the 6 cylinder one as it need a longer throw to activate the clutch mechanism.

I bought the Kingswood country one and it works perfectly. They also do a hydraulic conversion too but I haven't tried that.

https://www.ebay.com.au/itm/Holden-C...cAAOSwvR5Z6Coq