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  1. Superpacman13

    Titanium Retainers

    We have produced a set of titanium valve retainers for RC390's, you may ask why we would do such a thing? We have found that with extended high RPM usage the stock valve retainers will fail. The angles between the collets and the retainers do not match well enough for them to hold they valve...
    • Superpacman13
    • Thread
    • 9.48mm additional basis benefit bump cams clearance commercially control due easier finger followers frequent increased issue ktm reduced replace retainer retainers shim slightly titanium valve
    • Replies: 14
    • Forum: Gray Area KTM
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