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      Custom Motorcycle Parts

      Custom Motorcycle Parts CATEGORIES

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      Air Intake & Fuel Systems

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      TOP Custom Motorcycle Parts

      #2914-2 Rocker Stud Spacer Kit 1931-1940 Harley-Davidson Big Twin - CAD Plated
      Colony #2914-2 Rocker Stud Spacer Kit 1931-1940 Harley-Davidson Big Twin - CAD Plated
      $13.31
      #2907-2 Oil Tank Filler Cap and Gauge 1936-1940 Harley-Davidson Big Twins - Parkerized
      Colony #2907-2 Oil Tank Filler Cap and Gauge 1936-1940 Harley-Davidson Big Twins - Parkerized
      $71.50
      #2905-2 Undersized Brass Intake Manifold Seals 1940-1954 Harley-Davidson OHV 1953-1956 K KH
      Colony #2905-2 Undersized Brass Intake Manifold Seals 1940-1954 Harley-Davidson OHV 1953-1956 K KH
      $20.00
      #2901-4 Crank Pin Nut Lock Plates 1936-1940 Harley-Davidson Big Twins
      Colony #2901-4 Crank Pin Nut Lock Plates 1936-1940 Harley-Davidson Big Twins
      $7.26
      #2893-3 Starter Crank Clamp Bolt 1941-1967 Harley-Davidson FL/FLH - Chrome Plated
      Colony #2893-3 Starter Crank Clamp Bolt 1941-1967 Harley-Davidson FL/FLH - Chrome Plated
      $8.80
      #2891-3 Starter Crank Clamp Bolt 1941-1967 Harley-Davidson FL/FLH - Parkerized
      Colony #2891-3 Starter Crank Clamp Bolt 1941-1967 Harley-Davidson FL/FLH - Parkerized
      $11.00
      #2605-3 Footboard Mounting Stud 1914-1922 Harley-Davidson OEM# 2948-14 - Parkerized
      Colony #2605-3 Footboard Mounting Stud 1914-1922 Harley-Davidson OEM# 2948-14 - Parkerized
      $20.90
      #2597-17 Legshield Mounting Kit 1940-1942 Harley-Davidson WLA - Parkerized
      Colony #2597-17 Legshield Mounting Kit 1940-1942 Harley-Davidson WLA - Parkerized
      $29.70
      #9990-5 Front Axle Nut Spacer Kit Grooved 1995-1996 Harley-Davidson FXDWG - Chrome Plated
      Colony #9990-5 Front Axle Nut Spacer Kit Grooved 1995-1996 Harley-Davidson FXDWG - Chrome Plated
      $46.35
      #9989-4 Front Axle Nut Spacer Kit Smooth 1994-1999 Harley-Davidson FLHR/FLHRCI - Chrome Plated
      Colony #9989-4 Front Axle Nut Spacer Kit Smooth 1994-1999 Harley-Davidson FLHR/FLHRCI - Chrome Plated
      $31.87
      #9970-20 Upper Pushrod Cover Kit Harley-Davidson Twin Cam 1999-Up - Chrome Plated
      Colony #9970-20 Upper Pushrod Cover Kit Harley-Davidson Twin Cam 1999-Up - Chrome Plated
      $50.08
      #9969-4 Upper Inner Pushrod Covers 1999-Up Harley-Davidson Twin Cam
      Colony #9969-4 Upper Inner Pushrod Covers 1999-Up Harley-Davidson Twin Cam
      $39.11
      #9961-12 Handlebar Clamp & Gauge Mount Kit Acorn 1995-Up Harley-Davidson FX/XL - Chrome Plated
      Colony #9961-12 Handlebar Clamp & Gauge Mount Kit Acorn 1995-Up Harley-Davidson FX/XL - Chrome Plated
      $15.94
      #9849-2 Saddle Front Bolt & Nut Kit 1950-1963 Harley-Davidson Lightweights - CAD Plated
      Colony #9849-2 Saddle Front Bolt & Nut Kit 1950-1963 Harley-Davidson Lightweights - CAD Plated
      $14.89
      #9845-4 Lifter Base Hex Screw Kit 1957-1985 Harley-Davidson Sportster - Chrome Plated
      Colony #9845-4 Lifter Base Hex Screw Kit 1957-1985 Harley-Davidson Sportster - Chrome Plated
      $7.45
      #9842-8 Rocker Shaft End Nut Kit 1936-1947 Harley-Davidson Knucklehead - Parkerized
      Colony #9842-8 Rocker Shaft End Nut Kit 1936-1947 Harley-Davidson Knucklehead - Parkerized
      $6.38
      #9838-10 Transmission Mounting Kit 1929-1974 Harley-Davidson 45's - CAD Plated
      Colony #9838-10 Transmission Mounting Kit 1929-1974 Harley-Davidson 45's - CAD Plated
      $21.35
      #9832-28 Rocker Box Hex Screw Kit 1977-1985 Harley-Davidson Sportster - CAD Plated
      Colony #9832-28 Rocker Box Hex Screw Kit 1977-1985 Harley-Davidson Sportster - CAD Plated
      $25.84
      #9826-4 Smooth Front Axle Nut & Spacer Kit 1984-1996 Harley-Davidson FXST/FXSTC/FXSTB 1984-1994 FXDWG/FLT - Chrome Plated
      Colony #9826-4 Smooth Front Axle Nut & Spacer Kit 1984-1996 Harley-Davidson FXST/FXSTC/FXSTB 1984-1994 FXDWG/FLT - Chrome Plated
      $31.87
      #8911-5 Transmission Shifter Cover Cap Head Screw Kit 1987 Harley-Davidson FX/FL - Chrome Plated
      Colony #8911-5 Transmission Shifter Cover Cap Head Screw Kit 1987 Harley-Davidson FX/FL - Chrome Plated
      $17.52
      #8910-5 Transmission Shifter Cover Acorn Head Screw Kit 1980-1987 Harley-Davidson FX/FL - Chrome Plated
      Colony #8910-5 Transmission Shifter Cover Acorn Head Screw Kit 1980-1987 Harley-Davidson FX/FL - Chrome Plated
      $17.52
      #8908-15 Transmission Side Cover Allen Head Screw Kit 1980-1986 Harley-Davidson FX/FL - Chrome Plated
      Colony #8908-15 Transmission Side Cover Allen Head Screw Kit 1980-1986 Harley-Davidson FX/FL - Chrome Plated
      $25.72
      #8907-5 Transmission Shifter Cover Allen Head Screw Kit 1988-1997 Harley-Davidson FXR/FLT/Softail - Chrome Plated
      Colony #8907-5 Transmission Shifter Cover Allen Head Screw Kit 1988-1997 Harley-Davidson FXR/FLT/Softail - Chrome Plated
      $10.42
      #8906-5 Transmission Shifter Cover Allen Head Screw Kit 1980-1987 Harley-Davidson FX/FL - Chrome Plated
      Colony #8906-5 Transmission Shifter Cover Allen Head Screw Kit 1980-1987 Harley-Davidson FX/FL - Chrome Plated
      $9.31
      #8903-6 Clutch Arm Rebuilding Kit 1941-1943 Harley-Davidson 45 Solo 1941-1973 Servi-Car - Chrome Plated
      Colony #8903-6 Clutch Arm Rebuilding Kit 1941-1943 Harley-Davidson 45 Solo 1941-1973 Servi-Car - Chrome Plated
      $27.15
      #8893-12 Primary Cover Screw Kit 1967-1970 Harley-Davidson XLH 1970 XLCH - CAD Plated
      Colony #8893-12 Primary Cover Screw Kit 1967-1970 Harley-Davidson XLH 1970 XLCH - CAD Plated
      $20.47
      #8890-20 Primary Cover Screw Kit 1957-1969 Harley-Davidson XLCH - Chrome Plated
      Colony #8890-20 Primary Cover Screw Kit 1957-1969 Harley-Davidson XLCH - Chrome Plated
      $20.31
      #8888-2 Sprocket Cover Screws 1971-1976 Harley-Davidson XL - Chrome Plated
      Colony #8888-2 Sprocket Cover Screws 1971-1976 Harley-Davidson XL - Chrome Plated
      $11.14
      #8882-2 Sprocket Cover Screws 1952-1953 Harley-Davidson K Model - Chrome Plated
      Colony #8882-2 Sprocket Cover Screws 1952-1953 Harley-Davidson K Model - Chrome Plated
      $16.34
      #7113-2 Acorn Head Generator Screw Set - 1958-1969 Harley-Davidson 74's - Chrome Plated
      Colony #7113-2 Acorn Head Generator Screw Set - 1958-1969 Harley-Davidson 74's - Chrome Plated
      $13.94
      #7110-8 Knuckle Nut Set With O-ring Seal - 1936-1947 Harley-Davidson Knucklehead - Chrome Plated
      Colony #7110-8 Knuckle Nut Set With O-ring Seal - 1936-1947 Harley-Davidson Knucklehead - Chrome Plated
      $47.80
      #7109-2 Crank Pin Nut - 1937-1948 Harley-Davidson 74's/80's 1936-52 61 OHV
      Colony #7109-2 Crank Pin Nut - 1937-1948 Harley-Davidson 74's/80's 1936-52 61 OHV
      $20.90
      #7103-2 Intake Manifold Nuts - 1940-1954 Overhead Valve Harley-Davidson 74's 1953-56 K/KH - Chrome Plated
      Colony #7103-2 Intake Manifold Nuts - 1940-1954 Overhead Valve Harley-Davidson 74's 1953-56 K/KH - Chrome Plated
      $37.66
      #7100-13 Oil Pump Acorn Nut & Block Off Plug Set - 1936-1967 Harley-Davidson Davidson 74's - Chrome Plated
      Colony #7100-13 Oil Pump Acorn Nut & Block Off Plug Set - 1936-1967 Harley-Davidson Davidson 74's - Chrome Plated
      $20.31
      #7017-16 High Crown Acorn Cylinder Base Nut Set - 1930-1977 Harley-Davidson 74's - Chrome Plated
      Colony #7017-16 High Crown Acorn Cylinder Base Nut Set - 1930-1977 Harley-Davidson 74's - Chrome Plated
      $21.66
      #3653-3 Primary Inspection Cover Kit - Black Powdercoat - 1929-1952 Harley-Davidson 45's 1932-1973 Servi-car 1930-1936 VL
      Colony #3653-3 Primary Inspection Cover Kit - Black Powdercoat - 1929-1952 Harley-Davidson 45's 1932-1973 Servi-car 1930-1936 VL
      $22.50
      #3652-3 Primary Inspection Cover Kit 1929-1952 Harley-Davidson 45's 1932-1973 Servi-car 1930-1936 VL - Parkerized
      Colony #3652-3 Primary Inspection Cover Kit 1929-1952 Harley-Davidson 45's 1932-1973 Servi-car 1930-1936 VL - Parkerized
      $20.35
      #3649-1 Jiffy Stand Spring Plate 1930-1952 Harley-Davidson 45 Twins 1930-1934 Singles - CAD Plated
      Colony #3649-1 Jiffy Stand Spring Plate 1930-1952 Harley-Davidson 45 Twins 1930-1934 Singles - CAD Plated
      $16.50
      #3644-16 Cylinder Base Nut Kit 1911-1929 Harley-Davidson JD - Nickel Plated
      Colony #3644-16 Cylinder Base Nut Kit 1911-1929 Harley-Davidson JD - Nickel Plated
      $16.50
      #3643-3 Shift Rod Stud 1951-E1979 Harley-Davidson FL - Chrome Plated
      Colony #3643-3 Shift Rod Stud 1951-E1979 Harley-Davidson FL - Chrome Plated
      $11.55
      #3631-6 Front Stand Spring Kit 1931-1948 Harley-Davidson Big Twins - Parkerized
      Colony #3631-6 Front Stand Spring Kit 1931-1948 Harley-Davidson Big Twins - Parkerized
      $11.55
      #3628-2 Speedo Drive Unit Retainer 1937-1952 Harley-Davidson WL - CAD Plated
      Colony #3628-2 Speedo Drive Unit Retainer 1937-1952 Harley-Davidson WL - CAD Plated
      $7.43
      #3627-2 Speedo Drive Unit Retainer 1937-1952 Harley-Davidson WL - Chrome Plated
      Colony #3627-2 Speedo Drive Unit Retainer 1937-1952 Harley-Davidson WL - Chrome Plated
      $8.25
      #3626-2 Gas Tank Front Mount Rubber Bumpers 2000-2007 Harley-Davidson FXSTD/I 2010-2011 FXCWC
      Colony #3626-2 Gas Tank Front Mount Rubber Bumpers 2000-2007 Harley-Davidson FXSTD/I 2010-2011 FXCWC
      $16.50
      #3625-6 Axle Cross Shaft Bracket Lockwasher Kit 1937-1950 Harley-Davidson Servi-Cars - Parkerized
      Colony #3625-6 Axle Cross Shaft Bracket Lockwasher Kit 1937-1950 Harley-Davidson Servi-Cars - Parkerized
      $23.00
      #3622-1 Oil Pump Feed Line Nut 1938-1957 Harley-Davidson Big Twins - CAD Plated
      Colony #3622-1 Oil Pump Feed Line Nut 1938-1957 Harley-Davidson Big Twins - CAD Plated
      $7.70
      #3460-5 Chain Tensioner Plate/Pad Mounting Kit 1965-1982 Harley-Davidson FL/FX/FXR - Parkerized
      Colony #3460-5 Chain Tensioner Plate/Pad Mounting Kit 1965-1982 Harley-Davidson FL/FX/FXR - Parkerized
      $14.85
      #3593-2 Shifter Fork Bushing Lockwashers 1935-1973 Harley-Davidson 45 Twins - Parkerized
      Colony #3593-2 Shifter Fork Bushing Lockwashers 1935-1973 Harley-Davidson 45 Twins - Parkerized
      $8.47
      #3595-1 Mainshaft Sprocket Nut Lockwasher 1926-1934 Harley-Davidson Singles 1929-1973 45's & Servi-car - Parkerized
      Colony #3595-1 Mainshaft Sprocket Nut Lockwasher 1926-1934 Harley-Davidson Singles 1929-1973 45's & Servi-car - Parkerized
      $7.87
      #3613-1 Horn Bracket Spring Plate 1942-1954 Harley-Davidson All Models
      Colony #3613-1 Horn Bracket Spring Plate 1942-1954 Harley-Davidson All Models
      $8.80
      #3611-2 Horn Bracket Spring Plate 1936-1941 Harley-Davidson All Models
      Colony #3611-2 Horn Bracket Spring Plate 1936-1941 Harley-Davidson All Models
      $12.10
      #3610-2 Horn Bracket Spring Plate 1936-1941 Harley-Davidson All Models
      Colony #3610-2 Horn Bracket Spring Plate 1936-1941 Harley-Davidson All Models
      $14.85
      #3614-2 Horn Bracket Lockwasher 1949-1954 Harley-Davidson All Models
      Colony #3614-2 Horn Bracket Lockwasher 1949-1954 Harley-Davidson All Models
      $14.85
      #8318 Stock Hardware Kit Late 1930-1936 Harley-Davidson VL - Parkerized
      Colony #8318 Stock Hardware Kit Late 1930-1936 Harley-Davidson VL - Parkerized
      $302.50
      #8323 Stock Hardware Kit Early 1930 Harley-Davidson VL - Parkerized
      Colony #8323 Stock Hardware Kit Early 1930 Harley-Davidson VL - Parkerized
      $302.50
      #3331-1 Stem Crown Nut 1940-1957 Harley-Davidson 45 Solo and Servi-cars - Chrome Plated
      Colony #3331-1 Stem Crown Nut 1940-1957 Harley-Davidson 45 Solo and Servi-cars - Chrome Plated
      $60.55
      #3091-24 Valve Spring Cover Kit 1930-1936 Harley-Davidson VL - Chrome Plated
      Colony #3091-24 Valve Spring Cover Kit 1930-1936 Harley-Davidson VL - Chrome Plated
      $231.00
      #2899-2 Tool Box Strap Mounting Kit 1940-1945 Harley-Davidson Military Big Twins - Parkerized
      Colony #2899-2 Tool Box Strap Mounting Kit 1940-1945 Harley-Davidson Military Big Twins - Parkerized
      $12.10
      #7936 Complete Show Bike Kit Acorn Hardware 2017-Up Harley-Davidson Touring Models - Chrome Plated
      Colony #7936 Complete Show Bike Kit Acorn Hardware 2017-Up Harley-Davidson Touring Models - Chrome Plated
      $331.25
      #1028 Complete Show Bike Kit Knurled Allen 2017-Up Harley-Davidson Touring Models - Chrome Plated
      Colony #1028 Complete Show Bike Kit Knurled Allen 2017-Up Harley-Davidson Touring Models - Chrome Plated
      $200.45
      #1027 Complete Show Bike Kit Knurled Allen 2007-Up Harley-Davidson VRSC - Chrome Plated
      Colony #1027 Complete Show Bike Kit Knurled Allen 2007-Up Harley-Davidson VRSC - Chrome Plated
      $112.28
      #3691-15 Plain Head Lower Motor Mount Kit 1937-1947 Harley-Davidson Side Valve Big Twins - Parkerized
      Colony #3691-15 Plain Head Lower Motor Mount Kit 1937-1947 Harley-Davidson Side Valve Big Twins - Parkerized
      $39.88
      #3689-15 Lower Motor Mount Kit 1937-1947 Harley-Davidson Side Valve Big Twins - CAD Plated
      Colony #3689-15 Lower Motor Mount Kit 1937-1947 Harley-Davidson Side Valve Big Twins - CAD Plated
      $39.88
      #3688-15 Lower Motor Mount Kit 1937-1947 Harley-Davidson Side Valve Big Twins - Chrome Plated
      Colony #3688-15 Lower Motor Mount Kit 1937-1947 Harley-Davidson Side Valve Big Twins - Chrome Plated
      $43.45
      #3686-12 Lower Motor Mount Kit 1966-1969 Harley-Davidson OHV Big Twins - CAD Plated
      Colony #3686-12 Lower Motor Mount Kit 1966-1969 Harley-Davidson OHV Big Twins - CAD Plated
      $33.00
      #3677-10 Sprocket Allen Bolt Kit 2007-Up Harley-Davidson Softail 2006-Up Dyna - Chrome Plated
      Colony #3677-10 Sprocket Allen Bolt Kit 2007-Up Harley-Davidson Softail 2006-Up Dyna - Chrome Plated
      $26.39
      #3575-1 Gas Tank Buffer 1926-1934 Harley-Davidson Singles 1929-1937 45 Twins
      Colony #3575-1 Gas Tank Buffer 1926-1934 Harley-Davidson Singles 1929-1937 45 Twins
      $16.50
      #3570-10 Front Disc Brake Rotor Allen Screw Set 1978-1983 Harley-Davidson FXWG - Zinc Plated
      Colony #3570-10 Front Disc Brake Rotor Allen Screw Set 1978-1983 Harley-Davidson FXWG - Zinc Plated
      $11.20
      #3564-4 Triple Clamp Bolt 1929 Harley-Davidson Electric Singles 1930 21 Singles - Parkerized
      Colony #3564-4 Triple Clamp Bolt 1929 Harley-Davidson Electric Singles 1930 21 Singles - Parkerized
      $35.20
      #3550-5 Shifter Gear Retaining Springs 1938-1973 Harley-Davidson 45
      Colony #3550-5 Shifter Gear Retaining Springs 1938-1973 Harley-Davidson 45
      $12.10
      #3480-1 Oil Feed Line Elbow Late 1962-1965 Harley-Davidson XLCH - CAD Plated
      Colony #3480-1 Oil Feed Line Elbow Late 1962-1965 Harley-Davidson XLCH - CAD Plated
      $27.50
      #3541-4 Windshield Apron Coil Clips and Screw Kit 1941-1948 Harley-Davidson Winshields - Parkerized
      Colony #3541-4 Windshield Apron Coil Clips and Screw Kit 1941-1948 Harley-Davidson Winshields - Parkerized
      $13.01
      Looking to enhance your motorcycle's aesthetics or boost its performance? At Lowbrow Customs, we've got you covered no matter your riding style. Whether you're mending a part or improving your motorbike's current configuration, our online store of...
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      Custom Motorcycle Parts FAQ

      What is most important when building a custom motorcycle?
      The key to building a custom motorcycle is to decide on how you will be using it (around town, cross-country trips, weekend camping, racing) and how you want it to look. Having a goal will make it easier to decide which parts you need for your build. Check our How to Build a Bobber article for more info on a custom build.
      How to make my motorcycle faster?
      Horsepower will make your motorcycle faster. This is often achieved by using a free-flowing air filter and exhaust system that is properly tuned. Other methods include increasing the engine displacement (with a big bore kit) and other engine modifications (custom camshafts, cylinder head work, etc).
      What changes should I do to make my motorcycle more comfortable?
      Setting up your motorcycle for riding comfort is time well spent. Pay particular attention to the style of seat, footpeg location and handlebars. Handlebar height (rise) and pullback (how far the handlebars come back toward the rider) are very important for comfort as well as handling of your motorcycle. A high quality seat is worth every penny on that long road trip!