I have a 04 yz450 and i need a new head. im pretty sure the 03 head is different from the 04 and the 04 is differnet from the 06. i could be wrong but i thought i read this somewhere. any help would be appreciated!

If this is a want ad, you can't post it here.

If you want information about what head will fit your bike, heads from an '03-'05 YZ450 or '03-'04 WR450, or '04 YFZ450 quad will fit without modification.

Heads from '05-'06 WR450's and '05-'08 YFZ quads will fit, but you have to plug off the ports used for the air injection system.

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