Hi. Early holden (FC through to HG) is 5 X 4.25, HQ on is 5 X 4.75 (same as chev) and crumpledoors are a metric size close to the HQ size but not the same ( at 5 X 120mm). Some volvos used the same stud pattern as the early holden and there have been some 15 and 16 inch wheels done for toranas.
https://www.bits4blokes.com.au/produ...ic-steel-wheel . Cheers MD