That 5037379BC is 200 or so more than the mds cam, I'm cheap, so would go with the mds style, plus the cost of non mds lifters on top of that.

I thought the 6.4 springs wouldn't work on eagle heads. I thought I read that.

Also what pushrods?

68 Road Runner, 69 Belvedere, 71 Challenger Vert
340 barracuda, 01 Ram CTD, 95 Ram, 04 Ram, 85 Daytona turbo Z
66 GTO, 06 Magnum RT AWD. 07 Ram CTD, 07 Ram