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Discussion Starter · #1 ·
Just recieved one(two more due in soon). Will update this thread as time and work progresses.
 

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Discussion Starter · #3 ·
Just about done with the porting. Word to the wise, be real careful on who you send these heads to for porting- Its very involved compared to other 4 valve cylinder heads.
 

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Discussion Starter · #7 ·
Seats are cut and the valves are lapped in(notice the line on the valves were they laped in perfectly. Seats were cut on a buddys Surdi machine, just need to blend the port into the first angle:

 

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Discussion Starter · #8 · (Edited)
Pricing of the port work will be $350 for the XX port(reuses stock valves) and $400 for the XXR port(just sent the XR650R 37mm valves with the cylinder head).
 

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Bo are you using an abrasive medium (extrude hone) process or is the work done all by hand?
 

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thats an old post ....there is a phone number
 
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