For a 90% strip car I think the best thing is to make that 327 a 383 stroker engine . This is a for sure way of getting your car in to the 11s . Or better yet save the 327 for a street car . Then pick up a 350 4 bolt main block that will be stronger for the 383 stroker build . But for heads I always liked Brodix . Go with a set of Brodix Track 1 221cc intake run 67cc 2.08 in/1.60ex valves . For the intake run a Edelbrock Victor JR with a Holley 850 race D/P carb . For a cam you will need one thats 235to240 dur at 050 with a lift of 525 to 550 and a 108 lobe sep . Some will say go with a bigger cam . But I think a max of 550 lift will get your car in the 11s . And the valve train will last longer then a larger cam .