These are the specs listed for the part # you listed.
Chev SB
Duration @ .050": 278/286
Adv. Duration: 316/326
Lift: .570/.570 @ cam
Lobe Center: 110
4400-8200, Works great in big cubic inch small blocks, OK with NOS
If your not planning on running N20 then I would drop to a cam with 106 LC. and up the CR on the engine to about 14:1