i need some schooling on cams,someone inlite me on them,im putting a 1430 piston kit along with a bob head heavy duty springs,titanium valves.the works,my mechanic tells me i need to find a set of cams,will someone tell me what the numbers stand for 385/385 or 440/395 i dont know what they mean,which is not helping me at all,i dont know what im actually looking for,in cams im still gonna be riding this bike on the road .can anyone help