The most popular cruise control for the Busa, the Audiovox CCS-100, was discontinued a year or so ago. Well, looks like the folks over at Murphskits.com have worked out a deal with the manufacturer of the unit to make more!
Audiovox Cruise Control Replacement
$20 reserves a unit and the remainder will be billed upon shipping. Looks like the unit comes with the keypad (from the pic). You'll probably want the vacuum reservoir, too.
Finally - they have covers for the touchpad, this will help keep moisture from the touchpad. Audiovox Cruise Control
Audiovox Cruise Control Replacement
$20 reserves a unit and the remainder will be billed upon shipping. Looks like the unit comes with the keypad (from the pic). You'll probably want the vacuum reservoir, too.
Finally - they have covers for the touchpad, this will help keep moisture from the touchpad. Audiovox Cruise Control