if you at std deck height groupA HG and std bolts are cool. If your deck has changed and head skimmed etc your be better off using a 4 layer wrc gasket.

I had to have 4thou of off my deck height, head has also had a couple of skims so ive had to go for a 4 layer WRC. Costly, but worth it. Have a chat to Matt Lewis mate and he will get you the gear shipped out.

If you know the exact heights you can get the correct thickness HG.