Best Top 10 Bolt Ons For a 318

my 72 318 picked up some power with just cutting the heads 10 thou valve job small cam holley street dominator thermoquad off a 74 440 dual exhaust with cheap thrush mufflers and an 83/4 with 3:23 gears , car was lots of fun to drive and would hold up to most stock firechickens . good luck with yours