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    AV&V™ Extreme Duty Manganese Bronze Valve Guides (5/16 valves)

    AV&V’s Manganese bronze valve guides are CNC machined. Our alloy allows you to fit both intake and exhaust valves at tighter clearances for better heat  dissipation, quieter running and longer engine life.

    Special Hi-temp. Viton O’rings are used to prevent oil infiltration between guide & head. Tapered & radiused nose for easier installation and better air flow.

    Unique Super Grip valve seal section : use either OEM style or viton seals. Unfinished I.D. ready to be easily finished with AV&V’s Carbide reamers. (see reamers section)

    High Lift & High Flow Application

    Intake Exhaust O.D. I.D. Oversize Overall Length
    VG5600VG5700 .5625" .308" STD 2.100"
    VG5601VG5701 .5635" .308" .001" 2.100"
    VG5602VG5702 .5645" .308" .002" 2.100"
    VG5603VG5703 .5655" .308" .003" 2.100"
    VG5604VG5704 .5665" .308" .004" 2.100"
    VG5605VG5705 .5675" .308" .005" 2.100"
    VG5606VG5706 .5685" .308" .006" 2.100"
    VG5610VG5710 .5725" .308" .010" 2.100"
    VG5625VG5725 .5875" .308" .025" 2.100"

    Notes :
    • Use with .531” Viton valve seals (V312531)
    • Shorter seal area for high lift application
    • Profiled for optimum airflow

    Intake Exhaust O.D. I.D. Oversize Overall Length
    VG5600SVG5700S .5625" .308" STD 2.100"
    VG5600-5SVG5700-5S .5630" .308" .0005" 2.100"
    VG5601SVG5701S .5635" .308" .001" 2.100"

    Notes :

    • Same guides as above except for seal diameter.
    • Use with .421” Viton valve seals (V312421), or O.E. style valve seals (K312420)

    Stock Replacement

    Intake and Exhaust O.D. I.D. Oversize Overall Length
    VG5500 .5625" .308" STD 2.250"
    VG5501 .5635" .308" .001" 2.250"
    VG5502 .5645" .308" .002" 2.250"
    VG5503 .5655" .308" .003" 2.250"
    VG5504 .5665" .308" .004" 2.250"
    VG5525 .5875" .308" .025" 2.250"

    Notes :
    • Use with .531” O.E. style valve seals (K312530).
    • Stock length
    • Stock replacement

    AV&V™ Extreme Duty Manganese Bronze Valve Guides (7MM valves)

    AV&V’s Manganese bronze valve guides are CNC machined. Our alloy allows you to fit both intake and exhaust valves at tighter clearances for better heat  dissipation, quieter running and longer engine life.

    Special Hi-temp. Viton O’rings are used to prevent oil infiltration between guide & head. Tapered & radiused nose for easier installation and better air flow.

    Unique Super Grip valve seal section : use either OEM style or viton seals. Unfinished I.D. ready to be easily finished with AV&V’s Carbide reamers. (see reamers section)

    High Lift & High Flow Application

    Intake Exhaust O.D. I.D. Oversize Overall Lenght
    VG6600VG6700 .5625" .273" STD 2.040"
    VG6601VG6701 .5635" .273" .001" 2.040"
    VG6602VG6702 .5645" .273" .002" 2.040"
    VG6603VG6703 .5655" .273" .003" 2.040"
    VG6604VG6704 .5665" .273" .004" 2.040"
    VG6605VG6705 .5675" .273" .005" 2.040"
    VG6606VG6706 .5685" .273" .006" 2.040"
    VG6610VG6710 .5725" .273" .010" 2.040"
    VG6625VG6725 .5875" .273" .025" 2.040"

    Notes :
    • Use with O.E. style Viton valve seals (V7MMOE).
    • Profiled for optimum airflow.

    AV&V™ Universal Valve Guides (5/16 and 7MM valves)

    Universal Repair Guides

    Intake and Exhaust O.D. I.D. Overall Length
    UVG7MM .735" .273" 2.700"
    UVG312 .735" .308" 2.700"
    UVG378 .735" .375" 2.700"

    Notes :
    • Maganese bronze alloy
    • Ready to be machined