Thread: upgrade heads
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Old 18-08-2009, 09:43 PM   #1
Rushed6
Starter Motor
 
Join Date: Jul 2009
Location: melbourne
Posts: 8
Default upgrade heads
Hey chris and theo quick one are there after market heads that are avalible for the ba xr8 5.4l motor or is there a perminent fix for the valve guides that go in them for a more reliable top end?
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