20. Lastly, we plumbed in the rear brakes using another Wilwood braided stainless line kit. For a super clean install, we also bent up new hard lines for the rear. The existing GM parking brake cables wouldn’t interface with the new Wilwood parking brake system, so we picked up their universal cable kit (PN 330-9371, $120), which included the adjusters, Teflon-lined cable housings, and clevises. With the install complete, we just needed to bleed the brakes and then Mark would be ready to hit the streets with his stealthy new brake system.