Transmission & Drivetrain

These white hard plastic kickers from Chicago Motorcycle Supply are continued production runs from the original molds. These are still being made i...

This marble yellow kicker from Chicago Motorcycle Supply is a genuine New Old Stock (NOS).  All remaining stock was purchased along with the toolin...

Chicago Motorcycle Supply is still alive and producing these quality plastic kicker pedals from the original molds.  Just like back in the day, the...

Chicago Motorcycle Supply is still alive and producing these quality plastic kicker pedals from the original molds.  Just like back in the day, the...

This marble blue kicker from Chicago Motorcycle Supply is a genuine New Old Stock (NOS).  All remaining stock was purchased along with the tooling ...

Chicago Motorcycle Supply is still alive and producing this quality cast aluminum kicker pedal from the original molds.  Just like back in the day,...

Chicago Motorcycle Supply is still alive and producing this quality cast bronze kicker pedal from the original molds.  Just like back in the day, t...

Chicago Motorcycle Supply is still alive and producing these quality plastic kicker pedals from the original molds.  Just like back in the day, the...

Making old bent up inner primary covers fit can be a total bummer.  Replace yours with this stamped steel version. Direct replacement for Harley P...

Making old beat up inner primary covers fit can be a total bummer.  Replace yours with this stamped steel version by Paughco. Direct replacemen...

Making old beat up inner primary covers fit can be a total bummer.  Replace yours with this stamped steel version. Direct replacement for Harley K...

Fumbling to get old beat up primary covers to fit can be a total bummer.  Replace yours with this stamped steel reproduction. Direct replacement f...

Fumbling to get old beat up primary covers to fit can be a total bummer.  Replace yours with this stamped steel reproduction. Direct replacement f...

Fumbling to get an old beat up tin primary cover to fit your Panhead or Knucklehead can be a total bummer.  Requires use of matching inner primary ...

Fumbling to get old beat up primary covers to fit can be a total bummer.  Replace yours with this stamped steel reproduction. Direct replacement f...

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...

Kickstarter kit for Harley Big Twin 4-speed transmissions used on Knucklehead, Panhead and Shovelhead motorcycles. Kit includes: 16-tooth...

The heavy-duty kicker cover kit for Harley-Davidson 4-speed transmissions from 1936-1986. Kit includes chrome kick cover, clutch release shaft, clu...

Everything required for a complete rebuild on your 4 speed transmission kicker assembly.  Kit includes shaft, gears, bushings, seals, O-rings, ...

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

Forged, chrome-plated arm is 10 1/4" long overall and includes pinch bolt. Note: Please note location of the pinch bolt; this kicker arm will on...

Chrome forged steel kicker arm is built to meet or exceed OEM specifications. 

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

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

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

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 resistan...

Chicago Motorcycle Supply is still alive and producing these quality plastic kicker pedals from the original molds.  Just like back in the day, the...

Making old beat up inner primary covers fit can be a total bummer.  Replace yours with this stamped steel version. Direct replacement for Harle...

The Estevez snatch ribbed transmission cover is directly inspired by the design of classic finned hot rod speed parts. Installs in place of your OE...

The Estevez Billy Boy primary cover is directly inspired by the design of the classic tin primary covers used on early HD models. Installs in place...

The Estevez snatch ribbed primary cover is directly inspired by the design of the classic finned primary covers from the golden age of choppers. In...

The EMD ribbed Sportster primary cover is a real alternative to the cold and common "billet" world. Manufactured in die cast aluminum with milled g...

Replacement Harley Sportster primary cover in chrome finish.  Fits Sportster models from 2006-2017. Die-cast aluminum construction Available in c...

Replacement Harley Sportster primary cover in chrome-plated finish.  Fits Sportster models from 2004-2005. Die-cast aluminum construction Availab...

Replacement Harley Sportster primary cover in satin black finish. Fits XL models from 2006-2007. Die-cast aluminum construction Black satin finish...

Replacement primary cover for Harley Sportster motors from 2004-2005 in matte black finish. Die-cast aluminum construction Black satin finish Insp...

Harley Big Twin primary chain 428-2x76. Replace your stretched out chain with a new one. Improved fatigue resistance Pre-loaded to reduce initial ...

Primary chain adjusting kit for Harley Big Twin used for updating an old adjuster system or when building a new bike from the ground up. Com...

Replacement primary chain adjustment shoe for Harley Big Twin from 1965-2000. YEAR MAKE MODEL 1979 - 1980 Harley-Davidson 1200 Fat Bob ...

Friction clutch plate set designed to perform under extreme heat condition and allow smooth, precise shifting.  4 plates included.  Replacement f...

Organic clutch plates are designed to perform under extreme heat conditions.5 friction plates included. Replacement for your Panhead or Shovelhead ...

Organic clutch plates designed to perform under extreme heat conditions allowing smooth, precise shiftingReplaces OEM organic plates in Knucklehead...

Steel clutch plates for Harley Big Twin from 1968-1984. Steel plates are manufactured under strict quality-control standards Can be run wet or dry...

3 steel clutch plates for Big Twin drivetrain from 1941-1967 Steel plates are manufactured under strict quality-control standards Can be ...

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 ...

Standard Harley Davidson clutch plate kit includes five Kevlar friction plates with 6061-T6 aluminum cores and a maximum depth pattern for efficien...

KPMI clutch springs are designed to thrive in a high stress environment where they are subjected to elevated temps, as well as high impact and shoc...

10 clutch springs for Harley Shovelhead drivetrain from 1968 - 1984 Includes 10 standard springs Blue coating Made in the U.S.A. MFG Part #501-32-...