With the introduction of the Hq, holden went to the American chev/pontiac stud pattern so no adaptors required for the pontiac wheels. Pretty sure they did come in different offsets for the different small to large pontiac range but as to what they are I relied on the ponti guy who sold them to me to sort that out.

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With the introduction of the Hq, holden went to the American chev/pontiac stud pattern so no adaptors required for the pontiac wheels. Pretty sure they did come in different offsets for the different small to large pontiac range but as to what they are I relied on the ponti guy who sold them to me to sort that out.

Looked up Just Cars which he advertises in, looks like one of his ads with ph 0408 396 327. Cant remember his name as I bought them a while ago but hes out near Tuggeranong and had a backyard full of 67 - 69 Firebirds he'd be able to help you out with any enquiries.