Complex sentence: The 2.85-litre six-cylinder and the 4.2-litre V8, mainstays of the previous Commodore ranges were dropped, hence unavailable to the VK, however Holden's 1.9L "Starfire" 4-cylinder unit was offered on New Zealand market VK models.
Split into simpler sentences: The 2.85-litre six-cylinder and the 4.2-litre V8, mainstays of the previous Commodore ranges were dropped, hence unavailable to the VK. However, Holden's 1.9-litre "Starfire" inline-four unit was offered on New Zealand market VK models.