It's the small hydraulic flat tappet Thumpr, new in box 279TH7. Cam only, sorry no lifters. Free shipping to lower 48
Link to specs http://www.compcams.com/Company/CC/cam-specs/Details.aspx?csid=637&sb=2
Hydraulic-(Thumpr) High performance street, stock converter ok, best with 2000+...