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    AV&V™ Extreme Duty Manganese Bronze Valve Guides
    for Honda

    • 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)

    Honda CRF150R (2007-2015)

    Intake Exhaust O.D. I.D. Overall Lenght
    VG1021-00 .3564" / 9.05MM .1732" / 4.4MM 1.500" / 38.1MM
    VG1020-00 .3564" / 9.05MM .1732" / 4.4MM 1.260" / 32MM
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    Honda CRF250R (2004-2007) and CRF250X (2004-2015)

    Intake Exhaust O.D. I.D. Overall Length
    VG1024-00 .3962" / 10.06MM .1929" / 4.9MM 1.310" / 33.27MM
    VG1025-00 .3962" / 10.06MM .1929" / 4.9MM 1.510" / 38.35MM
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    Honda CRF250 (2015)

    Intake Exhaust O.D. I.D. Overall Lenght
    VG1026-00 .3963" / 10.07MM .1929" / 4.9MM 1.440" / 36.58MM
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    Honda TRX400EX (1999-2014)

    Intake and Exhaust O.D. I.D. Overall Lenght
    VG1040-00 .4352" / 11.05MM .2126" / 5.4MM 1.971" / 50.06MM
    VG1040-01 .4362" / 11.08MM .2126" / 5.4MM 1.971" / 50.06MM
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    Honda Nighthawk 750 (1985)

    Intake Exhaust O.D. I.D. Overall Length
    VG1043-00 VG1043-00 .4157" / 10.59MM .193" / 4.9MM 1.630" / 41.40MM
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    Honda CRF450R (2002-2008) and TRX450R (2006-2014)

    Intake Exhaust O.D. I.D. Overall Length
    VG1050-00 .4358" / 11.07MM .2126" / 5.4MM 1.283" / 32.59MM
    VG1051-00 .4358" / 11.07MM .1929" / 4.9MM 1.497" / 38.02MM
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    Honda TRX450R (2004-2005)

    Intake Exhaust O.D. I.D. Overall Lenght
    VG1050-00 .4358" / 11.07MM .2126" / 5.4MM 1.283" / 32.59MM
    VG1055-00 .4358" / 11.07MM .2126" / 5.4MM 1.350" / 34.29MM
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    Honda CB750 for single head cam (1969-1977)

    Intake and Exhaust O.D. I.D. Overall Length
    VG1060-00 .4360" / 11.07MM .2480" / 6.6MM 1.830" / 46.48MM
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    AV&V™ Universal Valve Guides

    • Ready to be machined on lathe as custom guide.
    Intake and Exhaust O.D. I.D. Overall Length
    UVG4.5MM .620" / 15.75MM .1732" / 4.4MM 2.000" / 50.8MM
    UVG5MM .620" / 15.75MM .1929" / 4.9MM 2.000" / 50.8MM
    UVG5.5MM .620" / 15.75MM .2126" / 5.4MM 2.225" / 56.52 MM
    UVG6MM .620" / 15.75MM .2323" / 5.9MM 2.375" / 60.33 MM
    UVG7MM .735" / 18.67MM .2717" / 6.9MM 2.700" / 68.58MM
    UVG312 .735" / 18.67MM .308" / 7.82MM 2.700" / 68.58MM
    UVG341 .735" / 18.67MM .338" / 8.59MM 2.700" / 68.58MM
    UVG375 .735" / 18.67MM .372" / 9.45MM 2.700" / 68.58MM
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