Improved Production, Commodore Cup and HQs

Improved Production, Commodore Cup and HQ Racing Australia vehicles will take to the track, completing three races of eight laps each.

Improved Production – vehicles derived from a registered production automobile with limited modifications

Commodore Cup – V8 Holden Commodore VB, VC and VH

HQ Racing Australia – based on HQ Holden Series Australian four-door, six cylinder, 202 sedan and components from vehicles marketed and manufactured in Australia between 1971 to 1974 and restricted in specification