It starred at the 1987 Sydney Motor Show and wore a $45,000 price tag. Inside the 1989 HSV VL Walkinshaw Commodore. Holden’s first “Special Vehicle” earned iconic status with victory in the ...

HSV produced 500 SS Group A versions of the Commodore in 1991 to homologate it for racing, i.e., Bathurst. It sounds like one of those, maybe built after the introduction of the VP in September 1991.