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    AV&V™ Extreme Duty Manganese Bronze Valve Guides

    • AV&V’s Manganese bronze alloy allows you to fit the valve at a tighter clearance for better heat dissipation and longer life.
    • Tapered & radiused nose for easier installation and better air flow.
    • CNC machined
    • Unfinished I.D. ready to be reamed with AV&V’s exclusive reamers after installation (see reamers section for more details)

    Bevel-Drive Desmo 250MK3 and Mach1

    Intake and Exhaust O.D. I.D. Oversize Overall Lenght
    VG1812-00 .5150" / 13.08MM 8MM STD 1.650" / 41.910MM
    VG1812-01 .5160" / 13.11MM 8MM .001" 1.650" / 41.910MM
    VG1812-02 .5170" / 13.13MM 8MM .002" 1.650" / 41.910MM
    VG1812-20 .5350" / 13.59MM 8MM .020" 1.650" / 41.910MM