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      Custom Motorcycle Parts

      Custom Motorcycle Parts CATEGORIES

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      BEST SELLING BRANDS

      TOP Custom Motorcycle Parts

      #8607-6 Rear Axle Cap Kit 1973-Up Harley-Davidson Big Twin 1979-Up Sportster XL - Chrome Plated
      Colony #8607-6 Rear Axle Cap Kit 1973-Up Harley-Davidson Big Twin 1979-Up Sportster XL - Chrome Plated
      $33.67
      #8481-20 Primary Cover Acorn Head Screw Kit 1980-1984 Harley-Davidson Big Twin 5 Speed - Chrome Plated
      Colony #8481-20 Primary Cover Acorn Head Screw Kit 1980-1984 Harley-Davidson Big Twin 5 Speed - Chrome Plated
      $48.73
      #8480-8 Lifter Base Acorn Head Screw Kit Harley-Davidson Late Style Lifter Base to 1/4-24 Motor Case - Chrome Plated
      Colony #8480-8 Lifter Base Acorn Head Screw Kit Harley-Davidson Late Style Lifter Base to 1/4-24 Motor Case - Chrome Plated
      $27.51
      #8411-8 Clutch Arm Rebuilding Kit 1944-1952 Harley-Davidson 45 Solo - CAD Plated
      Colony #8411-8 Clutch Arm Rebuilding Kit 1944-1952 Harley-Davidson 45 Solo - CAD Plated
      $24.98
      #8404-27 Transmission Screw & Acorn Head Nut Kit 1980-1985 Harley-Davidson FLT 5 Speed - Chrome Plated
      Colony #8404-27 Transmission Screw & Acorn Head Nut Kit 1980-1985 Harley-Davidson FLT 5 Speed - Chrome Plated
      $64.09
      #8230-2 Cylinder Head Bolt Spacers 1937-1973 Harley-Davidson 45's - CAD Plated
      Colony #8230-2 Cylinder Head Bolt Spacers 1937-1973 Harley-Davidson 45's - CAD Plated
      $13.94
      #8229-2 Cylinder Head Bolt Spacers 1937-1973 Harley-Davidson 45's - Chrome Plated
      Colony #8229-2 Cylinder Head Bolt Spacers 1937-1973 Harley-Davidson 45's - Chrome Plated
      $17.14
      #8227-2 Intake Manifold Nuts 1937-1973 Harley-Davidson 45's - Chrome Plated
      Colony #8227-2 Intake Manifold Nuts 1937-1973 Harley-Davidson 45's - Chrome Plated
      $37.66
      #8216-18 Head Bolt Kit 1940-1947 Harley-Davidson Alloy Flathead 74 & 80 - Chrome Plated
      Colony #8216-18 Head Bolt Kit 1940-1947 Harley-Davidson Alloy Flathead 74 & 80 - Chrome Plated
      $123.48
      #8215-18 Head Bolt Washer Kit 1940-1947 Harley-Davidson Alloy 45/74/80 - Chrome Plated
      Colony #8215-18 Head Bolt Washer Kit 1940-1947 Harley-Davidson Alloy 45/74/80 - Chrome Plated
      $51.78
      #8138-34 Motor Case Kit Stock 1965-1969 Harley-Davidson Big Twin - CAD Plated
      Colony #8138-34 Motor Case Kit Stock 1965-1969 Harley-Davidson Big Twin - CAD Plated
      $51.70
      #8133-34 Motor Case Kit Acorn Head 1948-1964 Harley-Davidson Panhead - Chrome Plated
      Colony #8133-34 Motor Case Kit Acorn Head 1948-1964 Harley-Davidson Panhead - Chrome Plated
      $63.61
      #8130-34 Motor Case Kit Acorn Head 1940-1947 Harley-Davidson Knucklehead - Chrome Plated
      Colony #8130-34 Motor Case Kit Acorn Head 1940-1947 Harley-Davidson Knucklehead - Chrome Plated
      $63.61
      #8128-34 Motor Case Kit Stock 1936-1939 Harley-Davidson Knucklehead - Chrome Plated
      Colony #8128-34 Motor Case Kit Stock 1936-1939 Harley-Davidson Knucklehead - Chrome Plated
      $58.30
      #8127-34 Motor Case Kit Acorn Head 1936-1939 Harley-Davidson Knucklehead - Chrome Plated
      Colony #8127-34 Motor Case Kit Acorn Head 1936-1939 Harley-Davidson Knucklehead - Chrome Plated
      $63.61
      #8126-34 Motor Case Kit Stock 1940-1948 Harley-Davidson Flathead - CAD Plated
      Colony #8126-34 Motor Case Kit Stock 1940-1948 Harley-Davidson Flathead - CAD Plated
      $51.70
      #8125-34 Motor Case Kit Stock 1940-1948 Harley-Davidson Flathead - Chrome Plated
      Colony #8125-34 Motor Case Kit Stock 1940-1948 Harley-Davidson Flathead - Chrome Plated
      $58.30
      #8124-34 Motor Case Kit Acorn Head 1940-1948 Harley-Davidson Flathead - Chrome Plated
      Colony #8124-34 Motor Case Kit Acorn Head 1940-1948 Harley-Davidson Flathead - Chrome Plated
      $63.61
      #8123-34 Motor Case Kit Stock 1936-1939 Harley-Davidson Flathead - CAD Plated
      Colony #8123-34 Motor Case Kit Stock 1936-1939 Harley-Davidson Flathead - CAD Plated
      $51.70
      #8122-34 Motor Case Kit Stock 1936-1939 Harley-Davidson Flathead - Chrome Plated
      Colony #8122-34 Motor Case Kit Stock 1936-1939 Harley-Davidson Flathead - Chrome Plated
      $58.30
      #8121-34 Motor Case Kit Acorn Head 1936-1939 Harley-Davidson Flathead - Chrome Plated
      Colony #8121-34 Motor Case Kit Acorn Head 1936-1939 Harley-Davidson Flathead - Chrome Plated
      $63.61
      #8405-2 Transmission Filler Cap/Dipstick 1985-1986 Harley-Davidson FLT 5 Speed - Chrome Plated
      Colony #8405-2 Transmission Filler Cap/Dipstick 1985-1986 Harley-Davidson FLT 5 Speed - Chrome Plated
      $18.34
      #8206-9 Tool Box Mounting Kit 1935-1954 Harley-Davidson - CAD Plated
      Colony #8206-9 Tool Box Mounting Kit 1935-1954 Harley-Davidson - CAD Plated
      $22.00
      #8171-8 Cylinder Base Nut Lockwashers All 1930-1977 Harley-Davidson Big Twins - CAD Plated - OEM #7055
      Colony #8171-8 Cylinder Base Nut Lockwashers All 1930-1977 Harley-Davidson Big Twins - CAD Plated - OEM #7055
      $4.76
      #8116-1 Motor Case Drain Plug/Oil Pump Body Plug 1911-1970 Harley-Davidson Big Twin Cases/1968-1984 Oil Pump Body - Chrome Plated
      Colony #8116-1 Motor Case Drain Plug/Oil Pump Body Plug 1911-1970 Harley-Davidson Big Twin Cases/1968-1984 Oil Pump Body - Chrome Plated
      $6.60
      #8108-1 Long Oil Pump Nut Pre-1967 Harley-Davidson Big Twins - Chrome Plated
      Colony #8108-1 Long Oil Pump Nut Pre-1967 Harley-Davidson Big Twins - Chrome Plated
      $7.17
      #8103-16 Lifter Base Screw Kit 1936-1953 Harley-Davidson Big Twin & 1937-1973 45's - CAD Plated
      Colony #8103-16 Lifter Base Screw Kit 1936-1953 Harley-Davidson Big Twin & 1937-1973 45's - CAD Plated
      $16.35
      #8016-4 Chrome Plated Acorn Dash Mounting 1977-1985 Harley-Davidson FX - Chrome Plated
      Colony #8016-4 Chrome Plated Acorn Dash Mounting 1977-1985 Harley-Davidson FX - Chrome Plated
      $14.74
      #8004-4 Intake Manifold Conversion Nipple Kit/Panhead O-ring Style Manifold 1936-1939 Harley-Davidson OHV Small Port Heads
      Colony #8004-4 Intake Manifold Conversion Nipple Kit/Panhead O-ring Style Manifold 1936-1939 Harley-Davidson OHV Small Port Heads
      $39.47
      #7817-1 Acorn Head Motor Sprocket Nut 1957-Up Harley-Davidson Sportster - Chrome Plated
      Colony #7817-1 Acorn Head Motor Sprocket Nut 1957-Up Harley-Davidson Sportster - Chrome Plated
      $10.37
      #7809-2 Clutch Adjusting Hole Filler Cap 1977-1985 Harley-Davidson Sportster
      Colony #7809-2 Clutch Adjusting Hole Filler Cap 1977-1985 Harley-Davidson Sportster
      $36.20
      #7713-20 Head Bolt Set CAD Plated 1936-1939 Harley-Davidson Knucklehead - CAD Plated
      Colony #7713-20 Head Bolt Set CAD Plated 1936-1939 Harley-Davidson Knucklehead - CAD Plated
      $64.09
      #7712-36 Head Bolt Set 1940-Up Harley-Davidson 45's 1930-1947 Flathead 74's/80's with Iron Heads - CAD Plated
      Colony #7712-36 Head Bolt Set 1940-Up Harley-Davidson 45's 1930-1947 Flathead 74's/80's with Iron Heads - CAD Plated
      $97.04
      #7711-18 Head Bolt Set CAD Plated 1940-1947 Harley-Davidson Flathead 74's/80's with Aluminum Heads - CAD Plated
      Colony #7711-18 Head Bolt Set CAD Plated 1940-1947 Harley-Davidson Flathead 74's/80's with Aluminum Heads - CAD Plated
      $98.48
      #7709-32 Head Nut & Washer Kit 1942-Up Harley-Davidson 45's with Cast Iron Heads & 3/8-16 Head Studs
      Colony #7709-32 Head Nut & Washer Kit 1942-Up Harley-Davidson 45's with Cast Iron Heads & 3/8-16 Head Studs
      $40.56
      #7631-11 Acorn Primary Cover Screw Kit 1977-1985 Harley-Davidson Sportster - Chrome Plated
      Colony #7631-11 Acorn Primary Cover Screw Kit 1977-1985 Harley-Davidson Sportster - Chrome Plated
      $37.66
      #7630-3 Sprocket Cover Screw & Acorn Nut Kit 1977-1985 Harley-Davidson Sportster - Chrome Plated
      Colony #7630-3 Sprocket Cover Screw & Acorn Nut Kit 1977-1985 Harley-Davidson Sportster - Chrome Plated
      $14.34
      #7629-14 High Crown Acorn Rocker Box Bolt Kit 1977-1985 Harley-Davidson Sportster - Chrome Plated
      Colony #7629-14 High Crown Acorn Rocker Box Bolt Kit 1977-1985 Harley-Davidson Sportster - Chrome Plated
      $62.27
      #7628-8 Lifer Base Screw Kit 1976-Up Harley-Davidson 74's - Chrome Plated
      Colony #7628-8 Lifer Base Screw Kit 1976-Up Harley-Davidson 74's - Chrome Plated
      $25.71
      #7625-2 Handlebar End Nuts 1931-1936 Harley-Davidson Big Twin and Side Valves 1931-1939 45's
      Colony #7625-2 Handlebar End Nuts 1931-1936 Harley-Davidson Big Twin and Side Valves 1931-1939 45's
      $15.73
      #7623-8 Hi-Torq Cylinder Base Nut Set - Chrome Plated
      Colony #7623-8 Hi-Torq Cylinder Base Nut Set - Chrome Plated
      $32.48
      #7602-11 Transmission Mounting Hardware Kit 1936-1964 Harley-Davidson Big Twins - Chrome Plated
      Colony #7602-11 Transmission Mounting Hardware Kit 1936-1964 Harley-Davidson Big Twins - Chrome Plated
      $31.28
      #7601-2 Clutch Adjusting Hole Cap with O-Ring 1971-1976 Harley-Davidson Sportster
      Colony #7601-2 Clutch Adjusting Hole Cap with O-Ring 1971-1976 Harley-Davidson Sportster
      $36.20
      #7509-20 Upper Pushrod Cover Kit 1936-1939 Harley-Davidson Knucklehead - Chrome Plated
      Colony #7509-20 Upper Pushrod Cover Kit 1936-1939 Harley-Davidson Knucklehead - Chrome Plated
      $50.08
      #7414-20 Acorn Primary Cover Screw Kit 1936-1969 Harley-Davidson Big Twin With Steel Primary Cover- Chrome Plated
      Colony #7414-20 Acorn Primary Cover Screw Kit 1936-1969 Harley-Davidson Big Twin With Steel Primary Cover- Chrome Plated
      $60.91
      #7412-24 Acorn Rocker Arm Cover Screw Kit All Harley-Davidson Panheads- Chrome Plated
      Colony #7412-24 Acorn Rocker Arm Cover Screw Kit All Harley-Davidson Panheads- Chrome Plated
      $60.91
      #7352-16 Heat Treated Acorn Head Bolt Kit Late 1973-1985 Harley-Davidson Sportster - Chrome Plated
      Colony #7352-16 Heat Treated Acorn Head Bolt Kit Late 1973-1985 Harley-Davidson Sportster - Chrome Plated
      $57.94
      #7206-2 Acorn Head Air Cleaner Screw Set Pre-1978 Harley-Davidson Sportsters And 74's - Chrome Plated
      Colony #7206-2 Acorn Head Air Cleaner Screw Set Pre-1978 Harley-Davidson Sportsters And 74's - Chrome Plated
      $11.14
      #7152-20 Heat Treated Acorn Head Bolt Kit - 1936-1939 Harley-Davidson Knucklehead - Chrome Plated
      Colony #7152-20 Heat Treated Acorn Head Bolt Kit - 1936-1939 Harley-Davidson Knucklehead - Chrome Plated
      $66.63
      #7151-16 Heat Treated Acorn Head Bolt Kit - 1957-Early 1973 Harley-Davidson Sportster - Chrome Plated
      Colony #7151-16 Heat Treated Acorn Head Bolt Kit - 1957-Early 1973 Harley-Davidson Sportster - Chrome Plated
      $57.94
      #7150-8 Acorn Head Cam Cover Screw Kit - 1971-1985 Harley-Davidson Sportster - Chrome Plated
      Colony #7150-8 Acorn Head Cam Cover Screw Kit - 1971-1985 Harley-Davidson Sportster - Chrome Plated
      $29.70
      #7149-11 Acorn Head Primary Cover Screw Kit - 1971-1976 Harley-Davidson Sportster - Chrome Plated
      Colony #7149-11 Acorn Head Primary Cover Screw Kit - 1971-1976 Harley-Davidson Sportster - Chrome Plated
      $36.20
      #7144-5 Acorn Head Screw Kit For Rear Wheel Star Shaped Covers 1/4-24 Thread - Chrome Plated
      Colony #7144-5 Acorn Head Screw Kit For Rear Wheel Star Shaped Covers 1/4-24 Thread - Chrome Plated
      $17.22
      #7131-8 Lifter Base Acorn Screw Kit - 1936-1975 OHV Harley-Davidson Davidson Big Twin - Chrome Plated
      Colony #7131-8 Lifter Base Acorn Screw Kit - 1936-1975 OHV Harley-Davidson Davidson Big Twin - Chrome Plated
      $25.71
      #7130-2 Acorn Head Generator Screw Kit - 1957-1970 Harley-Davidson Sportster - Chrome Plated
      Colony #7130-2 Acorn Head Generator Screw Kit - 1957-1970 Harley-Davidson Sportster - Chrome Plated
      $13.94
      #7130-10 Circuit Breaker & Relay Screw Kit - 1936-1957 Harley-Davidson Big Twins - Chrome Plated
      Colony #7130-10 Circuit Breaker & Relay Screw Kit - 1936-1957 Harley-Davidson Big Twins - Chrome Plated
      $17.22
      #7120-4 Aluminum Valve Retainers - All Harley-Davidson Davidson OHV 74's
      Colony #7120-4 Aluminum Valve Retainers - All Harley-Davidson Davidson OHV 74's
      1 review $35.13
      #7116-14 Acorn Head Primary Cover Screw Kit - 1967-1970 Harley-Davidson XLH 1970 XLCH - Chrome Plated
      Colony #7116-14 Acorn Head Primary Cover Screw Kit - 1967-1970 Harley-Davidson XLH 1970 XLCH - Chrome Plated
      $39.11
      #7115-2 Acorn Head Countershaft Sprocket Cover Screw Set - 1957-1969 Harley-Davidson Sportster 1952-56 K Model - Chrome Plated
      Colony #7115-2 Acorn Head Countershaft Sprocket Cover Screw Set - 1957-1969 Harley-Davidson Sportster 1952-56 K Model - Chrome Plated
      $14.74
      #7114-2 Acorn Head Generator Screw Set - 1936-1957 Harley-Davidson 74's - Chrome Plated
      Colony #7114-2 Acorn Head Generator Screw Set - 1936-1957 Harley-Davidson 74's - Chrome Plated
      $13.94
      #8308 CHR Complete Stock Hardware Kit - 1937-1973 Harley-Davidson 45 with Cast Iron Head - Chrome Plated
      Colony #8308 CHR Complete Stock Hardware Kit - 1937-1973 Harley-Davidson 45 with Cast Iron Head - Chrome Plated
      $366.55
      #8306 PARK Complete Stock Hardware Kit - 1940-1948 Harley-Davidson 74 & 80 Aluminum Head - CAD Plated
      Colony #8306 PARK Complete Stock Hardware Kit - 1940-1948 Harley-Davidson 74 & 80 Aluminum Head - CAD Plated
      $339.82
      #8304 CHR Complete Stock Hardware Kit - 1937-1939 Harley-Davidson 74 & 80 Cast Iron Head - Chrome Plated
      Colony #8304 CHR Complete Stock Hardware Kit - 1937-1939 Harley-Davidson 74 & 80 Cast Iron Head - Chrome Plated
      $389.63
      #8313 CAD Complete Stock Hardware Kit - 1979-1980 Harley-Davidson Shovelhead - CAD Plated
      Colony #8313 CAD Complete Stock Hardware Kit - 1979-1980 Harley-Davidson Shovelhead - CAD Plated
      $266.32
      #9774-8 Oil Pump Mounting Allen Screw Kit 1991-2003 Harley-Davidson Sportster - Chrome Plated
      Colony #9774-8 Oil Pump Mounting Allen Screw Kit 1991-2003 Harley-Davidson Sportster - Chrome Plated
      1 review $8.20
      #9768-15 Primary Cover Acorn Screw Kit 1991-1993 Harley-Davidson XL - Chrome Plated
      Colony #9768-15 Primary Cover Acorn Screw Kit 1991-1993 Harley-Davidson XL - Chrome Plated
      $38.39
      #9759-4 Lifter Base Allen Screw Kit 1991-1994 Harley-Davidson Sportster - Chrome Plated
      Colony #9759-4 Lifter Base Allen Screw Kit 1991-1994 Harley-Davidson Sportster - Chrome Plated
      $9.16
      #9757-2 Generator Chrome Allen Screw Kit 1957-1970 Harley-Davidson Sportster - Chrome Plated
      Colony #9757-2 Generator Chrome Allen Screw Kit 1957-1970 Harley-Davidson Sportster - Chrome Plated
      $12.74
      #9755-1 Kicker Starter Spring Stud 1941-1963 Harley-Davidson 45's - CAD Plated
      Colony #9755-1 Kicker Starter Spring Stud 1941-1963 Harley-Davidson 45's - CAD Plated
      $7.58
      #9754-1 Kicker Starter Spring Stud 1941-1963 Harley-Davidson 45's - Chrome Plated
      Colony #9754-1 Kicker Starter Spring Stud 1941-1963 Harley-Davidson 45's - Chrome Plated
      $9.56
      #9752-4 Oil Filter Adaptor Allen Screw Kit 1986-1990 Harley-Davidson XL - Chrome Plated
      Colony #9752-4 Oil Filter Adaptor Allen Screw Kit 1986-1990 Harley-Davidson XL - Chrome Plated
      $4.76
      #9748-16 Head Bolt Allen Screw Kit 1973-1985 Harley-Davidson Sportster - Chrome Plated
      Colony #9748-16 Head Bolt Allen Screw Kit 1973-1985 Harley-Davidson Sportster - Chrome Plated
      $49.97
      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!