FUEL/AIR SYSTEMS
UNIVERSAL CLAMP-ON AIR FILTERS
  • K&N universal air filters come in three styles – round
  • straight, oval tapered and round tapered
    RU-2750
    RU-177
  • All clamp directly to the carburetor throat, replacing the
  • stock airbox and filter element
  • Match the OD of your carb throat with the ID of the filter
  • 1011-2003
    (given in inches and millimeters)
    UNIVERSAL OVAL TYPE
    FLANGE ID
    OVAL. DIM.
    LENGTH
    FLANGE POSITION
    P ART  #
    SUG. RETAIL
    2 1 / 8
    3” x 4”
    5”
    Offset
    RU-2750
    $76.95
    2 3 / 8
    3 3 / 4 ” x 6 1 / 4
    6 3 / 4
    Dual flanged
    1011-0495
    97.95 RACKS&
    UNIVERSAL ROUND STRAIGHT TYPE
    OVERALL DIMENSIONS
    LENGTH
    FLANGE POSITION
    P ART  #
    SUG. RETAIL
    OVERALL DIMENSIONS
    LENGTH
    FLANGE POSITION
    P ART  #
    SUG. RETAIL
    1 1 / 16 ” ID (43MM)
    2 7 / 16 ” ID (62MM) (CONT)
    3”
    4”
    Centered
    RU-20
    $61.95
    3 1 / 2
    5”
    Centered
    RU-81
    $61.95 LUGGAGE &
    3”
    5”
    Centered
    RU-0210
    56.95
    3 1 / 2
    6”
    Centered
    RU-82
    61.95 STORAGE
    1 3 / 4 ” ID (44MM)
    3 3 / 4
    4”
    Angled 20°/2” lg.
    RU-175
    57.95
    3 1 / 2
    5”
    Centered
    RU-36
    62.95
    3 3 / 4
    5”
    Angled 20°/2” lg.
    RU-176
    62.95
    1 7 / 8 ” ID (48MM)
    3 3 / 4
    6”
    Angled 20°/2” lg.
    RU-177
    59.95
    3”
    4”
    Centered
    RU-40
    61.95
    5 1 / 2
    3”
    Offset
    RU-87
    79.95
    3”
    4”
    Angled 10°
    RU-128
    58.95
    2 1 / 2 ” ID (63.5MM)
    2 1 / 16 ” ID (52MM)
    3 1 / 2
    4”
    Angled 5°
    RB-70
    59.95
    3 1 / 2
    4”
    Centered
    RU-50
    63.95
    3 1 / 2
    5”
    Angled 5°
    RB-71
    65.95
    3 1 / 2
    6”
    Centered
    RU-52
    69.95
    3 1 / 2
    5”
    Centered
    1011-1583
    61.95
    3 1 / 2
    5”
    Angled 17 1 / 2 °
    RU-178
    66.95
    3 1 / 2
    6”
    Angled 5°
    RB-72
    62.95
    2 1 / 8 ” ID (54MM)
    3 1 / 2
    6”
    Centered
    1011-0787
    57.95 HANDLEBARS
    3 1 / 2
    4”
    Angled 5°
    RB-50
    63.95
    2 3 / 4 ” ID (70MM)
    2 1 / 4 ” ID (57MM)
    4”
    5”
    Angled 10°
    RU-146
    62.95
    3 1 / 2
    4”
    Centered
    RU-60
    58.95
    4”
    6”
    Angled 10°
    RU-147
    67.95
    3 1 / 2
    5”
    Centered
    RU-61
    65.95
    4”
    7”
    Angled 10°
    RU-148
    65.95
    3 1 / 2
    6”
    Centered
    RU-62
    62.95
    2 11 / 16 ” ID (68MM)
    3 1 / 2
    6”
    Angled 10°
    RU-109
    62.95
    4 1 / 2
    4”
    Centered
    RU-90
    68.95
    3 1 / 2
    4”
    Angled 20°
    RU-170
    63.95
    2 7 / 8 ” ID (73MM)
    3 1 / 2
    5”
    Angled 20°
    RU-171
    65.95
    4”
    6”
    Centered
    RU-162
    64.95 BRAKES
    3 1 / 2
    6”
    Angled 20°
    RU-172
    65.95
    3” ID (76MM)
    5 1 / 2
    2 1 / 2
    Offset
    RU-65
    70.95
    4 1 / 2
    4”
    Angled 5°
    RB-0900
    60.95
    2 7 / 16 ” ID (62MM)
    4 1 / 2
    5”
    Angled 5°
    RB-0910
    63.95 BELTS,
    3 1 / 2
    4”
    Centered
    RU-80
    57.95
    5”
    5”
    Centered
    RU-2430
    72.95 CHAINS &
    UNIVERSAL ROUND TAPERED TYPE
    MOUNTING
    END CAP
    FILTER
    FLANGE
    SUG.
    MOUNTING
    END CAP
    FILTER
    FLANGE
    SUG.
    FLANGE ID
    SIZE
    LENGTH
    POSITION
    P ART  #
    RETAIL
    FLANGE ID
    SIZE
    LENGTH
    POSITION
    P ART  #
    RETAIL DRIVETRAIN
    1 1 / 8 ” (29mm)
    2” x 2 1 / 4
    2 1 / 2
    Centered
    RC-2540
    $48.95
    1 5 / 16 ” (49mm)
    2” x 3”
    3”
    Centered
    RC-106
    $37.95
    1 3 / 8 ” (35mm)
    2” x 2 1 / 2
    2 1 / 4
    Centered
    RC-79
    42.95
    2 1 / 16 ” (52.5mm)
    2” x 3 1 / 2
    4”
    Centered
    RC-120
    64.95
    1 9 / 16 ” (40mm)
    2” x 3”
    3”
    Centered
    RC-231
    68.95
    2 1 / 8 ” (55mm)
    2” x 3”
    3”
    Centered
    RC-233
    69.95
    1 11 / 16 ” (43mm)
    2” x 3”
    2 3 / 4
    Centered
    RC-107
    71.95
    2 1 / 4 ” (57mm)
    2” x 3 1 / 2
    4”
    Centered
    RC-125
    66.95 SUSPENSION
    1 3 / 16 ” (46mm)
    2” x 3”
    3”
    Centered
    RC-232
    69.95
    4 1 / 2 ” (114mm)
    4 1 / 2 ” x 5 7 / 8
    6”
    Centered
    1011-1053
    70.95
    1 7 / 8 ” (48mm)
    2” x 3”
    3”
    Centered
    RC-109
    69.95
    2 3 / 4 ” (70mm)
    3 1 / 2 ” x 5.03”
    5 1 / 2
    Centered
    1011-2003
    80.95
    1 7 / 8 ” (48mm)
    2” x 3”
    3 1 / 16
    Angled 10°
    RC-129
    66.95
    1011-1025
    BF-1
    PRE FILTER/ MUD FOAM
  • Open-cell polyurethane foam
  • 1011-1026
  • Use in conjunction with stock air filter to trap
  • larger particles and debris
    BULK FILTER FOAM
  • Easy cut to fit for any air box
  • Sheets of foam in several densities for fabricating air filters
  • Extends filter life, and cleaning intervals of stock air filter
  • Perfect for vintage and
  • Can be oiled like stock filter for best performance
  • custom applications
  • Also can be used to displace mud on helmet visor in muddy conditions
  • SUG. RETAIL ............ $16.95 CROSS
    DESCRIPTION
    SIZE
    P ART  #
  • Keeps mud from packing next to foot pegs, brake and shifter controls
  • Green, fine foam (65 PPI)
    12” x 16” x 5 / 8
    BF-1
  • Dimensions: 11” x 12” x 3 / 4
  • Made in the U.S.A.
  • Black, fine foam (60 PPI)
    12” x 16” x 3 / 8
    1011-1025
    Red, coarse foam (40 PPI)
    12” x 16” x 3 / 8
    1011-1026
    SUG. RETAIL ............ $14.95 PART #
    M200-30 Black, coarse foam (30 PPI)
    12” x 24” x 3 / 8
    BF-2
    2018 PARTS UNLIMITED ATV/UTV