Long valves on W2's with .600 lift?

half mile paperclip
I figure we must be strong corner to flag
the old P4349266 is .620" 283 @.050 4800-7800 Drag pro comp, man & race auto
A Eng. P4349266 D. C. 324-106 324 - .620" 104 .028 .032

Thanks YR, Rumble