The Hyper 212 Evo is a decent enough cooler, and should handle that overclock at reasonable temperatures provided the voltages are somewhat standard.
I would recommend you pick up the Be Quiet! Pure Rock for $24.90 at Newegg right now.
Cools pretty much on par with the Cryorig H7 which is currently sold out at $35, and is a great deal at the moment.
Should keep your temps decent even with a 4.7GHz OC.
Highly recommended.
http://www.newegg.com/Product/Product.aspx?Item=9SIA68V2326642