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  1. #1
    skigolfnut's Avatar
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    Riva valve train number on spring?

    Does any one have the number that is stamped on the actual valve spring from the Riva upgrade kit?
    I thought it was S10087 and the retainer was E11063?

    thanks,


  2. #2
    skigolfnut's Avatar
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    Riva uses Ferrea springs and retainers, the guy at Ferrea said he could not give out the number that Riva uses, but that spring was used for other applications, that is why I was trying to figure out which one it was,

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