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Building 81 XS400 vintage Road Racer

Discussion in 'The Garage' started by anthony nunes, Jul 15, 2021.

  1. anthony nunes

    anthony nunes XS400 Member

    Hi guys I am back and determin more than ever to build my 81 XS400 Road Racer.
    Anybody know if I can mill .035 off my head to boost compression without bending any valves stock comp is:
    9.2 to 1

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