Primary Parts

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...

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

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 chro...

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 ...

Top quality gaskets, seals and O-rings meet or exceed OEM specifications includes gaskets and seals associated with the primary. Primary gas...

Top quality gaskets, seals and O-rings meet or exceed OEM specifications for primary cover and associated gaskets for Harley Big Twins from 1980-19...

Top quality primary gaskets and O-rings meet or exceed OEM specifications. Foamet gaskets, no seals included.  Fits Harley FL,FLH, FX, FXE, FXWG pr...

Top quality primary gaskets, seals and O-rings meet or exceed OEM specifications for Harley FL, FLH, FXE, FX FXWG and Softail models. Primary gask...

Top quality primary gaskets, seals and O-rings for FXWG and Softail with Foamet. Primary gasket features silicone beading Made in the U.S.A. ...

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 prod...

Replace your old motorcycles dirty chain primary with a clean maintenance free primary belt from Belt Drives LTD. These belt drive primaries are ma...

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 prod...

Drag Specialties Outer Primary Cover - 1998-2006 Softail - Chrome Rugged, die-cast aluminum construction Starter shaft bushings included;...

Drag Specialties Outer Primary Cover - 1995-1998 Softail - Chrome Rugged, die-cast aluminum construction Starter shaft bushings included;...

Drag Specialties Outer Primary Cover - 1989-1993 Softail - Chrome Rugged, die-cast aluminum construction Starter shaft bushings included;...

Drag Specialties Outer Primary Cover - 1999-2006 Softail - Black Rugged, die-cast aluminum construction Starter shaft bushings included; ...

Drag Specialties Outer Primary Cover - 1995-1998 Softail - Black Rugged, die-cast aluminum construction Starter shaft bushings included; ...

Drag Specialties Outer Primary Cover - 1989-1993 Softail - Black Rugged, die-cast aluminum construction Starter shaft bushings included; ...

Replacement Black Harley Shovelhead Outer primary cover.  Aluminum construction with Satin Black powder coat finish.  Hardware and bushing not in...

Drag Specialties Outer Primary Cover - 1970-1984 FL - Chrome Die-cast outer primary covers Standard eight-hole application Hardware an...

Belt Drives LTD. Solid Primary Sprocket Kit - 1999-2006 Eliminates the need for a complete compensator assembly Includes 25-tooth sprocke...

Stock 24 tooth replacement OEM compensating sprocket for shovelhead and big twin evolution models.  Hardened steel for improved wear and longevity...

BDL patented 3- piece design compensating sprocket kit.  Fits 1980-2006 Big Twins, with some model exclusions, check fitment below. Three-p...

BDL patented 3- piece design compensating sprocket kit.  Fits 1980-2006 Big Twins, with some model exclusions, check fitment below. Three-p...

Complete compensating sprocket for 1996-2006 Big Twin Harley applications.  Included sprocket shaft extension, sliding camp, sprocket nut and cove...

Complete compensating sprocket for 1991-1993 Big Twin Harley applications.  Included sprocket shaft extension, sliding camp, sprocket nut and cove...

Complete compensating sprocket for 1984-1990 Big Twin Harley applications.  Included sprocket shaft extension, sliding camp, sprocket nut and cove...

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...

Triumph Primary Gasket - 650/750

James Gasket - Primary Seal/Gasket Kit - Sportster 04 - 2020 Top quality gaskets, seals and O-rings meet or exceed OEM specifications Made in the...

James Gasket Primary Gasket Kit - Sportster 91-03 Top quality gaskets, seals and O-rings meet or exceed OEM specifications Made in the USA Fitmen...

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

TRANSMISSION ADJUSTER KIT FOR BIG TWIN 4 SPEED The best adjuster available - keeps the transmission straight, and prevents chain or belt wear. 4 l...

Belt Drive Alternator Cover- Big Twin Designed to protect your alternator, also helps cool by acting as a heat sink It has a mounting lug for belt...