Transmission & Drivetrain

Drag Specialties

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.

James Gasket

James Gasket - 4 Speed Transmission Seal Kit Harley Big Twin FL/FLH Double Lip Main Seal - 1936-1979

Transmission seal and gasket kit for 1936-1979 4-Speed FL/FH models with double lip main seal. Made in the U.S.A. YEARMAKEMODEL 1979 Harley-Davidson 1200 Fat Bob - FXEF 1977 - 1979 Harley-Davidson 1200 Low Rider - FXS 1971 -...

Universal Cycle

Shovelhead Tin Inner Primary Cover - Chrome

Tin inner primary cover will allow you to mount a vintage Big Twin style primary cover to your alternator Shovelhead engine.  This is a custom product that is to be used with an early style tin primary covers.  This cannot be used with a...

James Gasket

James Gasket - Big Twin 4- Speed Transmission Gasket/Seal Kit - 1936-1986 OEM #33031-36

Harley Big Twin 4-Speed transmission complete gasket and seal kit.  Replaces Harley OEM # 33031-36 Made in the U.S.A. YEARMAKEMODEL 1979 - 1980 Harley-Davidson 1200 Fat Bob - FXEF 1977 - 1979 Harley-Davidson 1200 Low Rider -...

Universal Cycle

Complete 5-Stud Clutch Hub for 1936-1984 big Twin

Complete 5 stud clutch hub for Harley Big Twin from 1936-1984.   Includes hub, liner, rollers/retainer, adjusting nuts, and plate Fits Knuckehead, Panhead, Shovelhead  

VTwin MFG

Sportster Chain Drive Conversion Kit - 2000-2006

This transmission sprocket conversion kit is used to convert belt drive XL Sportster models to chain drive.  The kit includes a 23 tooth front sprocket and a 51 tooth rear sprocket with special nut to accept sprocket, plus a chain breaker tool...

VTwin MFG

Sportster Chain Drive Conversion Kit - 1991-1999

Belts are for pants! This kit converts your evolution Harley Sportster from a belt drive to chain drive.  Why? Because chains are just freaking cool!  The kit includes a 108 link 530 chain (67.5") , a 22 tooth front sprocket, and 48 tooth...

American Prime Manufacturing

Harley Big Twin Transmission Bearing Support - 1965 & Up 4 speed Transmissions

This Bracket supports the transmission main shaft when the inner primary was discarded for an open belt on Harley Big Twin motorcycles using a 4 speed transmission. The American Prime Manufacturing transmission main shaft bearing support is cast from 356...

Universal Cycle

Lee Style Clutch Pedal For Jockey Shift

Lee style chrome pedal and cast bracket attaches to the OE style mount plate for foot clutch operation. The inner shifter arm is removable from the pedal shaft.  The Lee style jockey pedal will bolt to this original bracket with hardware included...

Chicago Motorcycle Supply

Chicago Motorcycle Supply - Kicker Pedal - Black

Chicago Motorcycle Supply is still alive and producing these quality plastic kicker pedals from the original molds.  Just like back in the day, these are still 100% made is the USA.  The steel spindle is fit for Harley Davidsons.  We...

VTwin MFG

Harley Kicker Return Spring 1936 - 1986

Kicker return spring for Harley Big Twin 4-speed transmissions used from 1936 to 1986. Exact replacement  Chrome finish

Belt Drives

BDL 8mm 1.5" wide Primary Belt Drive Kit for Shovelhead, Panhead, Knucklehead

Replace you're old motorcycles dirty chain primary with a clean maintenance free primary belt from Belt Drives LTD.  These belt drive primaries are made in the USA and built to last.  The kit includes belt, clutch basket, front pulley, nut and...

Drag Specialties

Drag Specialties - Shovelhead Transmission Throw-Out Bearing Pushrod Kit 1973-1980

Heavy duty replacement throw out bearing kit for Harley 4-speed transmissions. Contains parts required to update clutch pushrod thrust bearing Includes pushrod, oil slinger, thrust washers, release finger, rod bushing and a heavy-duty bearing ...

Chicago Motorcycle Supply

Chicago Motorcycle Supply - Kicker Pedal - White

These white hard plastic kickers from Chicago Motorcycle Supply are continued production runs from the original molds. These are still being made in the USA. Features: Plastic construction Machined steel spindle  

Drag Specialties

Primary Chain Adjusting Shoe for Harley Big Twin 1965-2000

Replacement primary chain adjustment shoe for Harley Big Twin from 1965-2000. YEARMAKEMODEL 1979 - 1980 Harley-Davidson 1200 Fat Bob - FXEF 1977 - 1979 Harley-Davidson 1200 Low Rider - FXS 1971 - 1978 Harley-Davidson 1200 Super...

Drag Specialties

Dished Rear Sprocket for 2000-2018 Harley Chain Conversion - Gloss Black

Rear chain sprocket for Harley Davidson with 2.22" center bore and dished with .23" offset.  Used to convert your late model Harley from belt drive to 530 pitch chain drive.   Steel with a gloss black finish Available in flat or...

Drag Specialties

Big Twin Harley Clutch Release Lever - 1937-1964 - Chrome

Knucklehead and Panhead clutch release lever.  OEM replacement. Chrome plated.  For use with tin primaries.   Fitments YEAR MAKE MODEL 1958-1964 Harley-Davidson Duo Glide FLH 1958-1964 Harley-Davidson Duo Glide...

Drag Specialties

Drag Specialties - Harley Big twin Clutch Release Shaft and Finger - 36'-86'

Replacement clutch release shaft and finger fits 1936-'86 Big Twin 4-speed Harley transmissions. OEM Replacement

Universal Cycle

Knucklehead Panhead Outer Primary Cover Chrome - 1936-1954 OEM # 60505-36

Fumbling to get old beat up primary covers to fit can be a total bummer.  Replace yours with this stamped steel reproduction. Direct replacement for Harley Knucklehead and Panhead motorcycles from 1936-1954.  Replaces OEM # 60505-36 Stamped...

Universal Cycle

Panhead Outer Primary Cover Chrome - 1955-1964

Fumbling to get old beat up primary covers to fit can be a total bummer.  Replace yours with this stamped steel reproduction. Direct replacement for Harley Panhead motorcycles from 1955-1964.   Stamped steel Chrome plated

Extended Rear Drive Belt for use with Sportster Hardtail Kit

This extended length belt is the perfect size for use with the Throttle Addiction Hardtail Sportster kit.  Our Hardtail kit extends your bike by 2 inches so running the stock belt isn't possible.  If you prefer the reliability and simplicity of...

Chicago Motorcycle Supply

Chicago Motorcycle Supply - Kicker Pedal - Red

Chicago Motorcycle Supply is still alive and producing these quality plastic kicker pedals from the original molds.  Just like back in the day, these are still 100% made is the USA.   The steel spindle is fit for Harley Davidsons.  We...

Drag Specialties

Rear Sprocket for 2000-2018 Harley Chain Conversion - Gloss Black

Rear sprocket used to convert late model Harley Davidson from belt drive to chain drive.  Features center bore of 2.22" and no offset.  Fits standard 530 chains.  Fits Big Twin and Sportster. Steel with a gloss black...

Kickstarter Rebuild Kit 1936 - 1986

Everything required for a complete rebuild on your 4 speed transmission kicker assembly.  Kit includes shaft, gears, bushings, seals, O-rings, gaskets and other internal components. Note: This is only the kicker assembly rebuild kit NOT an entire...

Drag Specialties

HD Style Kick Pedal

Standard popsicle kick pedal used on numerous Harley Davidson models.  Wide pedal features a brilliantly chromed swivel.

Chicago Motorcycle Supply

Chicago Motorcycle Supply - Kicker Pedal - Cast Bronze

Chicago Motorcycle Supply is still alive and producing this quality cast bronze kicker pedal from the original molds.  Just like back in the day, these are still 100% made is the USA.   The steel spindle fit for Harley Davidsons Measures 3.25"...

Drag Specialties

Drag Specialties - Complete 3-Stud Clutch Hub for Big Twin 1936-1984

Complete 3 stud clutch hub for Harley Big Twin motorcycles from 1936-1984. Include hub, liner, rollers/retainer, adjusting nuts and plate Available with three or five studs  

Drag Specialties

Drag Specialties - Clutch Friction Plates - Wet or Dry - Shovelhead 1968-1984 OEM #37930-68

Standard OEM replacement friction plates can be run in a wet or dry primary.  Plates meet or exceed all OEM #37930-68 specs. Contains five friction plates and one hub liner with rivets  

Drag Specialties

Bicycle Style Kick Pedal

Classic bicycle style kick pedal popular on many early Harley motorcycles. Chrome steel and rubber

Chicago Motorcycle Supply

Chicago Motorcycle Supply - Kicker Pedal - Marble Blue

This marble blue kicker from Chicago Motorcycle Supply is a genuine New Old Stock (NOS).  All remaining stock was purchased along with the tooling and molds to continue producing these iconic aftermarket accessories.  The NOS pedals are paired...

Drag Specialties

Dished Rear Sprocket for 1986-1999 Harley Chain Conversion - Gloss Black

Rear chain sprocket for Harley Davidson with 1.9" center bore and .46" offset.   Used to convert your late model Harley from belt drive to 530 pitch chain drive.  Fits Sportster and Big Twin. Steel with a gloss black...

Barnett

Barnett - Heavy-Duty Clutch Spring Set - Big Twin 1941-1984

Heavy duty clutch spring set for Harley Big Twin Knucklehead, Panhead and Shovelhead drivetrains from 1941-early 1984 Includes 10 heavy-duty springs Made in the U.S.A. MFG Part # 501-90-10069   

Belt Drives

Belt Drives LTD. - Kevlar Clutch Plate Kit - Big Twin 1941-1984

Standard Harley Davidson clutch plate kit includes five Kevlar friction plates with 6061-T6 aluminum cores and a maximum depth pattern for efficient heat dissipation and oil circulation and four tempered steel drive plates are also included. Fits...

Drag Specialties

Brass Kick Pedal

Kick pedal features a heavy-duty construction made from brass with a steel liner core. Includes bushing and clip  

Drag Specialties

Primary Primary Chain 428-2 x 82 - Harley Big Twin 1936-1999 OEM #40007-36A/B

Stock Harley primary chain replaces OEM # 40007-36A/B.  Fits 84-99FXST/SLST, '91-'98 Dyna and '36-'86 Big Twin (4-speed). Improved fatigue resistance Pre-loaded to reduce initial elongation Endless construction using high-quality raw materials...

Universal Cycle

Panhead Inner Primary Cover Chrome - 1955-1964 OEM # 60620-55

Making old bent up inner primary covers fit can be a total bummer.  Replace yours with this stamped steel version. Direct replacement for Harley Panhead motorcycles from 1955-1964.  OEM # 60620-55