I am in the process of buying some cams for my engine i have all the proper components but a guy is tring to sell me these <U>dynamic autosports spec B cams</U> has anyone else heard of these and would the be alright heres the duration

lift---------duration
intake .496 255
exhaust .494 256
please help need an ansewer quickly

 

Them look to be close to the toda spec C cams.. I'd say they arn't bad.