So I've been waiting and watching Pirates web site now for months waiting for the billet heads to be available and finally earlier this past week they were! I received 2 of them yesterday. Pirate cycles is excellent with thier shipping, just cant believe how fast I got them. Well got the head installed on my mtn bike with a cns carb, billet intake, sbp pipe and shift kit. Very nice fit and really looks good. Performance? I cant say I really notice any increase in power but the engine sure does run smoother and I seem to be reaching higher rpms. I was a little disapointed because I really expected a power increase but I am still happy. I think I have the carb dialed in once again and using the recomended high octane fuel (well 91 at the pump) as I always do. The other head I will be installing on my sons bike with a stock carb and a pocket bike expansion chamber and see what it does for that set up. Overall I'm happy with the head but not what I was really hoping for. I suppose that i really dont need to go any faster, bike already hits low 40's and thats plenty fast enough for a bicycle! ( see the 35mph dent in the tank- that hurt, alot) Thanks Pirate and Manic, very nice product.
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