Shaker Run

Shaker Run is a 1985 New Zealand action film directed by Bruce Morrison and starring Cliff Robertson, Leif Garrett, and Lisa Harrow. It follows a stunt driver Pierson and his ace mechanic Lee on the run from secret police in the South Island of New Zealand with Doctor Rubin, who has stolen a manufactured virus from the government lab where she works, with the intent of delivering it to the CIA.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.