SECTION 7
NITRIDED VALVES
  • This process provides resistance to corrosion; wears superior to hard chromium and
  • electrolysis nickel-plating
    AUDIO •Lightweight with profiles that provide excellent flow characteristics
    & VIDEO •Compatible with leaded and unleaded fuels and can be run in cast iron- and
    bronze-type guides at close tolerances for maximum oil control and heat dissipation
  • Sold each
  • FOR 99-04 TWIN CAM
    HEAD
    STEM
    SUG.
    HEAD STEM
    SUG.
    P ART  #
    YEAR DIA.
    DIA.
    TULIP LENGTH NOTES
    OEM  # RETAIL P ART  #
    YEAR DIA.
    DIA.
    TULIP LENGTH NOTES
    OEM  #
    RETAIL
    SEATS & INTAKE
    INTAKE
    4.445”
    Std.
    18074-83A $26.95
    $37.95 0926-0330 99-04 1.840” .3100” 23°
    0926-2952 17-18 1.630” .2347” 10°
    4.055”
    Oversize
    -
    37.95 0926-0407 99-04 1.900” .3100” 28°
    4.420”
    Oversize -
    26.95
    EXHAUST
    0926-2946 99-04 1.900” .3108” 25°
    4.440”
    Oversize -
    24.95
    0926-2953 17-18 1.732” .2347” 10°
    5.200”
    Blank valve -
    37.95 0926-2945 99-04 1.940” .3108” 25°
    4.440”
    Oversize -
    24.95
    EXHAUST 0926-2954 17-18 1.264” .2342” 24° 4.050” Standard -
    37.95 0926-2944 99-04 1.990” .3108” 25°
    4.440”
    Oversize -
    24.95
    0926-0408 99-04 2.000” .3100” 23°
    4.445”
    Oversize -
    40.95
    FOR 05-17 88”/96”/103” TWIN CAM
    0926-2943 99-04 2.150” .3108” 24°
    4.480”
    Oversize -
    24.95
    HEAD STEM
    SUG.
    FUEL/AIR P ART  # YEAR DIA. DIA. TULIP LENGTH NOTES OEM  # RETAIL EXHAUST
    0926-0331 99-04 1.565” .3095” 17°
    4.505”
    Std.
    18085-991 26.95
    SYSTEMS INTAKE
    0926-2949 99-04 1.585” .3106” 25°
    4.505”
    Oversize -
    24.95
    0926-0193 05-17 1.805” .2760” 1.700” R 4.420”
    Std.
    18074-05 $31.95
    0926-2948 99-04 1.610” .3106” 25°
    4.510”
    Oversize -
    24.95
    0926-0194 05-17 1.900” .2760” 28°
    4.420”
    Oversize -
    31.95
    0926-2947 99-04 1.650” .3106” 25°
    4.515”
    Oversize -
    24.95
    EXHAUST
    ENGINE
    0926-0195 05-17 1.575” .2755” 22°
    4.520”
    Std.
    18085-05 31.95
    0926-0196 05-17 1.630” .2755” 34°
    4.520”
    Oversize -
    31.95
    FOR 86-03 XL
    HEAD STEM
    SUG.
    P ART  #
    YEAR
    DIA. DIA. TULIP LENGTH NOTES
    OEM  #
    RETAIL
    HEAD
    SUG. INTAKE
    PART #
    YEAR
    DIA. STEM DIA.
    TULIP LENGTH NOTES
    RETAIL 0926-0328 88-03
    INTAKE
    1200
    1.715” .3100” 23°
    4.480” Std.
    18023-87 $31.95
    0926-2866 04-18 1200 1.805” 7mm/0.2760” 28°
    4.525”
    Std.
    $67.95 DS-198806 86-03 883 1.585” .3100” 23°
    4.550” Std.
    18031-86 40.95
    GASKETS
    0926-2867 04-18 1200 1.900” 7mm/0.2760” 28°
    4.500”
    Oversize
    67.95 0926-0789 86-03 883
    & SEALS 0926 - 2870 04-18 883
    to 1200 1.715” .3100” 23°
    4.550” Conversion -
    39.95
    to 1200
    1.715” 7mm/0.2760” 23°
    4.580”
    Conversion 67.95 EXHAUST
    EXHAUST
    0926-0329 88-03
    67.95
    1200
    1.480” .3095” 40°
    4.560” Std.
    18082-83 31.95
    0926-2869 04-18 1200 1.615” 7mm/0.2755” 34°
    4.590”
    Oversize
    67.95 DS-198807 86-03 883 1.350” .3095” 17°
    4.640” Std.
    18030-86 40.95
    0926-2871 04-18 883
    0926-0784 86-03 883
    to 1200
    1.480” 7mm/0.2755” 40°
    4.660”
    Conversion 67.95
    to 1200 1.480” .3096” 40°
    4.625” Conversion -
    39.95
    LIGHTING
    DS-199039
    FAT STEM
    BLACK DIAMOND™ VALVES
    STAINLESS STEEL
  • Some Twin Cam heads using 7.0mm
  • HARD CHROME/
    valves may crack in the port end of
    NITRIDED VALVES
    DS-199040
    the valve guide boss
  • Designed to out-flow and
  • These valves have .005” oversize stems to
  • 0926-2718
    out-perform all others,
    re-establish the correct valve stem to valve
    CABLES
    even in the most
    guide clearance if the head has cracked
    severe environments
  • Valve guides must be reamed/honed to set correct
  • One-piece forgings
  • clearance, the a valve job performed to ensure
    manufactured from
    proper sealing
    BRAKES high-temperature materials
  • Oversize portion of the valve stem does not extend
  • Feature swirl-polished,
  • into the keeper groove area; OEM valve keepers can
    performance-oriented shapes and
    be used
    durable chrome-plated stems
    TANKS &
    FOR 05-17 88”/96”/103” TWIN CAM
  • Up to 30% weight reduction over stock ensures a stable valve train,
  • P ART  #
    YEAR HEAD DIA. STEM DIA. TULIP LENGTH NOTES SUG. RETAIL
    INTAKE
  • Available with a choice of stem protection: durable hard-chrome
  • 0926-2718 05-17 1.805”
    .2810”
    1.700” 4.415”
    Std.
    $29.95
    plating or state-of-the-art black nitride
    DASHES •Sold in pairs
    EXHAUST
    0926-2719 05-17 1.575”
    .2810”
    23°
    4.510”
    Std.
    29.95
    FOR 99-04 TWIN CAM
    HEAD
    STEM
    SUG.
    P ART  #
    YEAR STYLE
    DIA.
    DIA. OEM  #
    NOTES
    RETAIL
    DS-198929
    DS-199059 99-04 Chrome 1.850”
    .310” 18074-83 “Race Master” $56.95
    FENDERS DS-199082 99-04 Chrome 1.850”
    .310” 18074-83 -
    81.95
    .310” 18074-83 -
    81.95 PERFORMANCE VALVES
  • .060” shorter than stock overall length to regain
  • FOR 86-03 XL
  • Retain stock installed spring height after valve seats
  • HEAD STEM
    are enlarged
    YEAR STYLE
    DIA.
    DIA.
    OEM  #
    NOTES
    SUG. RETAIL •Severe-duty materials; hard chrome stems
    INTAKE
  • Sold in pairs
  • DS-199039 86-03 Chrome 1.715” .3105” 18023-87 1100/ 1200
    $81.95
  • Made in the U.S.A.
  • WHEELS DS-199035 86-03 Chrome 1.585” .3105” 18031-86 883
    81.95 P ART  #
    DESCRIPTION
    SUG. RETAIL
    FOR 86-03 883-TO-1200 XL CONVERSIONS
    & AXLES EXHAUST
    DS-199040 86-03 Chrome 1.480” .3095” 18024-87 1100/ 1200
    78.95 DS-198929
    Intake valves; 1.715” head dia./.3105” stem dia.
    $81.95
    DS-199036 86-03 Chrome 1.345” .3095” 18030-86 883
    78.95 DS-198930
    Exhaust valves; 1.480” head dia./.3095” stem dia.
    78.95
    COVERS & DISCLAIMER: NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES.
    GENERAL
    SEE PAGE 396 FOR IMPORTANT EMISSION DEFINITIONS AND REGULATORY COMPLIANCE AND WARRANTY INFORMATION.
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