I use a Lunati #40316 in one of my 440s and it specs very close to what is being recommended here...

Adv. Duration:322/322
Duration @ 0.050" :276/276
Gross Valve Lift:.600"/.600"
Lobe Separation Angle / Intake Centerline:108/106



http://www.race-mart.com/Lunati-LTI-40316.html

Last edited by 52savoy; 08/18/11 02:10 AM.