Valve spring question.

[Doug_Guilds]

I found some information a couple of years ago about valve springs. I think it was a Lunati spring# but I can't for the life of me find the info. Doeas anyone run Lunati springs in their 2.3? And if so what part number are they.

If not, what is recommended for a Hyd. cam, 480 lift and 250@ .050 duration on a 1/4 mile track turning 6800+ rpm?

[car62]

Schneider 68020

[let-r-eat]

Isky 905D I believe is the number.