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  1. #1
    i_wash_cars's Avatar
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    Aug 2013
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    dont know how much to cut off the heads?!!?

    I have Riva heads on my 1200r .... I want to bring my compression up to 155-160 how much should I cut off ?!?


  2. #2
    i_wash_cars's Avatar
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    :l

  3. #3
    OzarkYamMonster's Avatar
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    Oct 2012
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    Lake Of The Ozarks
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    Send to Jim's performance ... he will do a great job $100. includes shipping. Good Luck

  4. #4
    JKR1300's Avatar
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    Jan 2006
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    St Louis & 6mm LotO
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    Remember you can't just shave the head - the domes need to be reshaped to get the right squish

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