camel hump heads

could anybody tell me if a 186 camel hump head is any good with a 64cc 1.94 intake and a 1.50 exhaust.The guy is asking under $300 does anybody know what they are worth?

Thanks Len

Here's some info , maybee this will help
http://www.angelfire.com/tx5/randysr...Headguide.html