New heads on the way for my Dart, few changes

I used these and found a pretty cheap aftermarket ti retainer that worked with them. Pretty light overall setup with the small diameter spring. I think they were 165 on the seat
Trick Flow® by PAC Racing Dual Valve Springs TFS-16306-16

i might have the 16950’s…not sure, have the box at work

summit seems to have everything i could need in stock