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  1. #1

    Riva or supertech?

    Hello my friend , help me, is better riva or supertech spring with retainers ? I use riva and this is good , i never use supertech and i don't no, Price is fantastic supertech. Thanks.


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  2. #2
    Boost addict hotbird's Avatar
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    I run supertech valves and springs with no problems! Riva has a great product also but cost a lot more.

  3. #3
    Impulses's Avatar
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    They say the springs are up to 9,000 rpm Riva and Supertech from 9,000 rpm
    I have been told that the supertech are much stiffer springs.


    Do you think?

  4. #4
    imp0ster's Avatar
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    Inviato da iPad mean "fuck the iPad"

    Supertech...

  5. #5
    ncdoo's Avatar
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    Aren't Riva valves made by Ferrea? Both are good but like stated, Riva's are more expensive. I went with Supertech.

  6. #6
    800AMSOIL4U's Avatar
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    Click image for larger version. 

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ID:	322125Supertech has 2 different springs you can buy.
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