Don't really look like commodore ones, plug looks wrong as does the motor housing.
HQ ones VB-84 VK look different and 85 VK and VL and different again
scott
Loads of VB-VK information, All you need to know about EFI 5L Conversions Ultimate EFI 5L Conversion resource "
Wanted B Cast Heads PM for details
yeah they are commodore out of vb was looking at some yesterday and they're definatly the same