head question?
Outstanding HDF Member
Joined: Oct 2007
Posts: 3,437
Likes: 15
RE: head question?
yes and no. The pre 06 have a different manifold bolt pattern but you can use what ever year manifold and be fine. The newer heads have a bigger ex port from the factory but if you are having head work done it won't matter.
Ultimate HDF Member
Joined: Feb 2007
Posts: 7,663
Likes: 7
From: Northeast Ohio
RE: head question?
You can mix and match....they will work.
The throttle body/intake flanges are different so if you have a pre 06 and get 06 or later heads back form the builder, you will need to get the 06 and later flanges, and vice versa. Flanges will cost ya about $12.
The throttle body/intake flanges are different so if you have a pre 06 and get 06 or later heads back form the builder, you will need to get the 06 and later flanges, and vice versa. Flanges will cost ya about $12.
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Road Captain
Joined: Dec 2006
Posts: 609
Likes: 1
From: Bucks County, PA
RE: head question?
Thanks. I'm looking to find a cheap set to use as cores so I can keep the ones on my bike now. I know I can put them on another bike with the same bottom end and know what HP and TQ I will come up with. I already have more HP and TQ than I need. But just looking for more for some dumb reason. Cheaper to buy cores than what it cost for me to do my current heads.
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