318 parts list

Stock 318 heads flow enough for 300-325hp, factory CR low 8:1 limits cam choices, A few different way to build,
Stock long block, high lift 256 or 262 cam, idle-5500 intake, 600-650carb, 340/360/5.9 manifolds or headers 250-275hp or heavily milled the stock heads or mild milled 302 with thin gasket to get 9:1 to up grade too a high lift 268-274 cam. 275-325hp, porting and 1.88-1.60 valves add 25-50hp.

I'd go KB's zero deck flat top with a thin 0.025" gasket, 9:1, stock 360 heads with performance valve job, High lift Voodoo or Xtreme Comp cam 268, 650 Air-Gap, and headers 350+hp