well..you did not say what parts you had...LOL

anyway...hughes cam is nice I have same cam in my 73 duster...

it also has Kb107 pistons with eddy heads...
I am using the stock eddy valve springs so far...


Tony

70 AARCuda Vitamin C
71 Dart Swinger 360 10.318 @ 128.22(10-04-14 Bakersfield)
71 Demon 360 10.666 @122.41 (01-29-17 @ Las Vegas)
71 Duster 408 (10.29 @ 127.86 3/16/19 Las Vegas)