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    • Frames & Chassis

    Shop custom Hardtail frames for your Harley Davidson Sportster or Shovelhead. 

    • Sissy Bar Mounting Bungs - Throttle Addiction Sissy Bar Mounting Bungs - Throttle Addiction

      Sissy Bar Mounting Bungs - Fits 9/16" Bar

      Constructed from cold rolled 1018 steel, these sissy bar mounting bungs are the perfect pair to our pre-bent sissy bars or your home sissy bar project.  They fit any 9/16" diameter bar perfectly.  These bungs will give your sissy bar project a...

      $35.99
      Add to Cart
    • DIY Sissy Bar Bend Steel Throttle Addiction Chopper DIY Sissy Bar Bend Steel Throttle Addiction Chopper

      DIY Sissy Bar Bend - Tall

      Making a sissy bar for you chopper can be tricky business, so we took the hardest part and did that for you.  Cutting and welding is easy, it's the bending that can be a headache. These bars are CNC bent right here in Wisconsin.   All you have...

      $54.99
      Out of Stock
    • Throttle Addiction Deluxe evolution hardtail kit Throttle Addiction Deluxe Evolution Sportster Hardtail Kit

      Deluxe Evolution Sportster Hardtail Kit

      This weld on Sportster hard tail kit will transform you stock swing arm evolution Sportster into a hard tail chopper in minimal time.  This Kit was original designed and manufactured by the Haifley Bros in Phoenix Arizona.  Throttle Addiction...

      $1,299.99 - $1,699.98
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    • Haifley Bros Panhead / Shovelhead Hardtail Haifley Bros Panhead / Shovelhead Hardtail

      Panhead / Shovelhead Weld-On Hardtail With Cast Axle Plates

      Throttle Addiction Recently acquired the rights and assets of Haifley Bro's motorcycle frame and parts business.  We are now producing these High quality products in our facility in Eau Claire, Wisconsin.  We are using the same fixtures, jigs...

      $694.99 - $724.98
      Out of Stock
    • Harley Fork Bearing Cup Kit - Chrome Harley Fork Bearing Cup Kit - Chrome

      Big Twin Fork Bearing Neck Cup Kit - Chrome

      High quality fork cup and bearing kit. • Fits 1949 - '88 Big Twin models as well as most custom frames. • Kit includes: chrome bearings, neck cups and races. Replaces HD 48315-60, 48311-60 and 48300-60  

      $39.99
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    • Harley Panhead Shovelhead Top Engine Motor Mount Throttle Addiction Harley Panhead Shovelhead Top Engine Motor Mount Throttle Addiction

      Panhead / Shovelhead Motor Mount - Chrome

      This motor mount is designed to fit 1948-1984 Harley Davidson Panhead and Shovelhead motors.  They will bolt directly up to stock Harley frames and fit most aftermarket frames, however, spacers may be required.  The motor mounts are precision...

      $24.99
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    • Sportster Front Lower Engine Mounts Throttle addiction Sportster Front Lower Engine Mounts Throttle addiction

      Sportster Front Lower Engine Mount Set

      Chrome-plated set front engine mounts fits Sportster models 1984/2003.  Replaces HD# 16236-89T Heavy chrome-plated steel Thickness and strength exceeds original equipment specifications

      $34.99
      Add to Cart
    • DIY Short Sissy Bar Bend Throttle Addiction DIY Short Sissy Bar Bend Throttle Addiction

      DIY Sissy Bar Bend - Short

      Making a sissy bar for you chopper can be tricky business, so we took the hardest part and did that for you.  Cutting and welding is easy, it's the bending that can be a headache. These bars are CNC bent right here in Wisconsin.   All you have...

      $54.99
      Add to Cart
    • Sportster Hardtail Sissybar Tall - Throttle Addiction Sportster Hardtail Sissybar Tall - Throttle Addiction

      Hardtail Sissybar - Tall

      These hardtail sissy bars designed for use with our Evo Sportster Hardtail Kit, and 5" flat fender, but can fit on most hardtail frames.  Sissy bars are TIG welded and ready for installation. Constructed of 9/16" round stock with 1/4'" fender...

      $169.99
      Add to Cart
    • Rear Chain Adjuster Bolts Chrome - Throttle Addiction

      Rear Axle Adjuster Bolts 3/8 - 24 TPI

      Chrome Rear Axle Adjuster Bolts fit our Sportster hardtail kits.  Sold in Pairs 3/8" X 24TPI X 3" long fits 48-72 Harley Big Twin and custom applications, OEM# 41576-36 Fits our Sportster hardtail kits.

      $12.99
      Add to Cart
    • Haifley Bros Evolution Sportster Hardtail - Throttle Addiction Haifley Bros Evolution Sportster Hardtail - Throttle Addiction

      Evolution Sportster Hardtail 1986-2003

      Throttle Addiction is excited to announce that we have purchased all assets and rights to production for the Haifley Bros line of sportster hardtail kits and motorcycle parts.  We will continue producing these parts at the highest quality using the...

      $499.99 - $529.98
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    • kick stand stop harley throttle addiction kick stand stop harley throttle addiction

      Kick Stand Leg Stop

      Kick stand stop fits all Big Twin models 1936/2006 (except Dyna 2006). Replaces HD# 50015-74T & 50094-36  Used to hold the jiffy stand in the correct position when in use Meets OEM specifications  

      $6.99
      Add to Cart
    • DIY Hardtail Sissy Bar Kit - Tall- Throttle Addiction DIY Hardtail Sissy Bar Kit - Tall - Throttle Addiction

      DIY Hardtail Sissy Bar Kit - Tall

      These DIY hardtail sissy bar kits are designed for use with our Evo Sportster Hardtail Kit, and 5" flat fender, but can fit on most hardtail frames.  Constructed of 9/16" round stock with 1/4'" fender strap and mounting tabs. 9" wide between...

      $109.99 - $124.99
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    • Sissy Bar Mounting Plates Sissy Bar Mounting Plates

      Sissy Bar Mounting Plates - Fits 9/16" Bar

      Looking for some simple bungs to mount up your custom sissy bar to your axle plates.  look no further, these sissy bar mounting plates are designed to fit 9/16" round bar.  Sold in pairs. Specs: Cold rolled 1/4" thick mild steel. Fits...

      $19.99
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    • TC Bros Weld On Motorcycle Kickstand - Black Throttle Addiction TC Bros Weld On Motorcycle Kickstand - Black Throttle Addiction

      TC Bros Weld On Kickstand - Black

      This custom weld-on kickstand by TC Bros Choppers is a great option for a ground up build.  The sleek design features an internal spring and ball system to keep the kickstand in the up or down position and improves ground clearance over exterior...

      $74.99
      Out of Stock
    • TC Bros Choppers weld on kick stand Throttle Addiction TC Bros Choppers weld on kick stand Throttle Addiction

      TC Bros Weld On Kickstand - Chrome

      This custom weld-on kickstand by TC Bros Choppers is a great option for a ground up build.  The sleek design features an internal spring and ball system to keep the kickstand in the up or down position and improves ground clearance over exterior...

      $74.99
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    • Gasbox Voltage Regulator Mount For Big Twin Throttle Addiction Gasbox Voltage Regulator Mount For Big Twin Throttle Addiction

      Gasbox - Voltage Regulator Mount For Harley Big Twin

      This Big Twin voltage regulator mount allows you to simply and cleanly mount your voltage regulator to the front 2 motor mount bolts of your Big Twin Harley Davidson. Thick, quality built tumbled stainless steel. YEARMAKEMODEL 1979 - 1980...

      $21.95
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    • Hard tail fender mounting braces throttle addiction Hard tail fender mounting braces throttle addiction

      Rear Fender Brace - Chrome

      Chrome hardtail fender braces measure 9.5" tall and feature 5/16" threaded mounting bosses.  One brace has a more drastic bend to account for clearing the brake.  Work great on fenders that have a larger side wall.   Use when supporting a...

      $59.99
      Add to Cart
    • Arlen Ness Side Cover Set FXR 1982-2000 Throttle Addiction Arlen Ness Side Cover Set FXR 1982-2000 Throttle Addiction

      Arlen Ness - Side Cover Set - FXR 1982-2000

      These fXR side covers from Arlen Ness add a smoother look to your frame while providing more area to continue your paint scheme. Made of durable ABS plastic, these covers are designed to mount to the rear side panels. Sold unpainted and in pairs...

      $124.95
      Add to Cart
    • Harley Davidson Kickstand 1936-1985 Throttle Addiction Harley Davidson Kickstand 1936-1985 Throttle Addiction

      Harley Stock Kickstand 1936-1985

      Replaces all stock Harley kickstands on models from 1936-1985.  Replace your old worn out, bent up side stand and don't forget a new spring ,which is sold separately. Specs: Chrome-plated Fits 1936-1985 Harley Davidson motorcycles

      $38.99
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    • Sportster Hardtail Battery Tray/Hold Down

      Sportster Hardtail Battery Tray/Hold Down

      Battery tray and hold down designed to secure an Antigravity 12 cell small case battery for use with our Evolution Sportster Hardtail Kit. This weld-on battery tray and hold down mounts to the backside of the seat down tube, allowing the...

      $49.95
      Out of Stock
    • Rigid Rear Fender Brace Raw Throttle Addiction Rigid Rear Fender Brace Raw Throttle Addiction

      Rear Fender Brace - Raw

      Chrome hardtail fender braces measure 9.5" tall and feature 5/16" threaded mounting bosses.  One brace has a more drastic bend to account for clearing the brake.  work great on fenders that have a larger side wall.   Use when supporting a...

      $49.99
      Add to Cart
    • Ribbed Teardrop Toolbox - Chrome - Right Side - Throttle Addiction Ribbed Teardrop Toolbox - Chrome - Right Side - Throttle Addiction

      Ribbed Teardrop Toolbox - Chrome

      Reproduction of the 1940-1954 ribbed teardrop cover tool box for the right hand side.  Chrome-plated. The lid locks and two keys are included. Fits Big Twin 1940-1999 with proper mounting bracket (not included).

      $59.99
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    • Sportster 2004 and up short bolt on sissy bar Sportster 2004 and up short bolt on sissy bar

      Sportster Short Bolt On Sissybar - 1994-2003

      Bolt on short sissy bar designed to fit 1994 - 2003 Sportster models.  This is a raw steel sissy bar so you can powdercoat, chrome or rattle can it to your liking.   Sissy bar sits roughly 14" above the top of the fender...

      $139.99
      Out of Stock
    • Chrome Battery Rod Set throttle addiction

      Chrome 6 Volt Battery Rod Set

      Enhance the look of your motorcycle with our chrome battery rod set. Set includes wing nuts and battery pads. Rods will hold down your stock 6 volt top battery cover.  Fits:EL 1936-1940FL 1941-1964UL 1937-1948  

      $17.99
      Add to Cart
    • Sportster Hardtail Sissy bar Short - Throttle Addiction Sportster Hardtail Sissy bar Short - Throttle Addiction

      Hardtail Sissybar - Short

      These hardtail sissy bars designed for use with our Evo Sportster Hardtail Kit, and 5" flat fender, but can fit on most hardtail frames.  Sissy bars are TIG welded and ready for installation. Constructed of 9/16" round stock with 1/4'" fender...

      $169.99
      Add to Cart
    • Speed Merchant Skid Plate Harley Dyna 1991-2005 Throttle Addiction Speed Merchant Skid Plate Harley Dyna 1991-2005 Throttle Addiction

      Speed Merchant - Skid Plate Harley Dyna 1991-2005 - Black

      Add a killer hand-made custom look to your Dyna with this trick skid plate from Speed Merchant. Fits: '91-'05 Dyna models Hand-made from aluminum Available in brushed finish or black powder-coat Bolt up to stock HD frame; no cutting or welding Mounting...

      $254.95
      Add to Cart
    • Battery Top Cover - 6 Volt - Chrome Throttle Addiction

      Battery Top Cover - 6 Volt - Chrome

      Reproduction battery cover for early Harley Big Twins with a 6 volt battery.  Fits Knucklehead and Panhead. For a 6 volt battery.  Fits:EL 1936-1940FL 1941-1964UL 1938-1948 

      $35.99
      Add to Cart
    • Speed Merchant Skid Plate Harley Dyna 2006-2017 Throttle Addiction Speed Merchant Skid Plate Harley Dyna 2006-2017 Throttle Addiction

      Speed Merchant - Skid Plate Harley Dyna 2006-2017 - Black

      Add a killer hand-made custom look to your Dyna with this trick skid plate from Speed Merchant. Fits: '06-'17 Dyna models Hand-made from aluminum in the USA Available in brushed finish or black powder-coat Bolt up to stock HD frame; no cutting or...

      $254.95
      Add to Cart
    • Sportster evolution bolt on sissy bar 1994-2003 Sportster Short sissy bar 1994-2003

      Sportster Bolt On Sissy Bar - 1994-2003 - 12" tall

      Bolt on short 12" tall sissy bar designed to fit 1994 - 2003 Sportster models.  This is a raw steel sissy bar so you can powder coat, chrome or rattle can it to your liking.  These sissy bars mount on the front fender mount and the hole where...

      $109.00
      Add to Cart
    • Speed Merchant Skid Plate Harley Softail 2018 Throttle Addiction Speed Merchant Skid Plate Harley Softail 2018 Throttle Addiction

      Speed Merchant - Skid Plate Harley Softail 2018 - Black

      Add some attitude and protection to your new 2018 Harley Softail. Fits: 2018 Harley Softail Models Hand-made from aluminum in the USA Available in brushed finish or semi-gloss black powder-coat Mounting hardware included Bolts up to stock HD frame, no...

      $254.95
      Add to Cart
    • Speed Merchant Skid Plate Harley FXR Throttle Addiction Speed Merchant Skid Plate Harley FXR Throttle Addiction

      Speed Merchant - Skid Plate Harley FXR - Brushed Aluminum

      If you're looking for a way to beef up your FXR and add some protection then this skid plate from Speed Merchant is a good fit for you. Fits: 1982-1994 and 1999-2000 Harley FXR models Hand-made from aluminum Available in brushed finish or black...

      $234.95
      Add to Cart
    • Speed Merchant Skid Plate Harley FXR Throttle Addiction Speed Merchant Skid Plate Harley FXR Throttle Addiction

      Speed Merchant - Skid Plate Harley FXR - Black

      If you're looking for a way to beef up your FXR and add some protection then this skid plate from Speed Merchant is a good fit for you. Fits: 1982-1994 and 1999-2000 Harley FXR models Hand-made from aluminum Available in brushed finish or black...

      $254.95
      Add to Cart
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