You could use either but if you use Stainless steel bolts then you should use anti-seize due the potential of galling the threads. Any steel bolts to aluminum interaction should have anti-seize as they are dissimilar metals.
__________________
John E - Rogers, MN
Instructions? All I need is the exploded view. 70 El Camino soon to be ls1/t56 64 Malibu SS