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  1. #1
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    GP13R aftermarket heads.

    Wich would be the best route to take when going with after market higher compression heads? Milling my stock head is not an option since one of the brackets from the top of the head snapped off the head itself.

    I have looked around and R&D seems the winner so far, what do you guys think ?


  2. #2
    All hail the Chief! fullboogie's Avatar
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    Too bad the search button is broken or you could have your answer in about .0023 seconds.

  3. #3
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    I have been searching, i just wanted to see what every one is running and how they like it.

  4. #4
    gtxscrider's Avatar
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    Quote Originally Posted by blam3d View Post
    I have been searching, i just wanted to see what every one is running and how they like it.
    I run Riva performance heads.

  5. #5
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    Quote Originally Posted by gtxscrider View Post
    I run Riva performance heads.
    Iam kind of leaning towards the R&D man, how did you go with routing the water ?

  6. #6
    32 Valves To Love! Racecar_Dave's Avatar
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    They are the same heads, run 1 & 2 into the pipe, dump 3 overboard

  7. #7
    Hydrotherapy's Avatar
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    i would pm jim's performance and see if he has any cut stock heads in stock that you could buy..
    stock heads IMO are stronger as in they reduce the possibilty of crank flex in the gpr's..

  8. #8
    zx11rider's Avatar
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    The r&d are nice Click image for larger version. 

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  9. #9
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    Well, i got me some 150psi heads from Lowell. I wanted 160psi but i might need AV gas all the time for that and the nearest place here for me is tamiami airport of sunoco in okeechobee. So i need to stick to 93.

  10. #10
    32 Valves To Love! Racecar_Dave's Avatar
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    Quote Originally Posted by blam3d View Post
    Well, i got me some 150psi heads from Lowell. I wanted 160psi but i might need AV gas all the time for that and the nearest place here for me is tamiami airport of sunoco in okeechobee. So i need to stick to 93.
    Why do you think that?

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