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...

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. 80-06 FLT/FXR Improved fatigue resistance Pre-loaded to r...

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 - Big Twin 4 Speed The best adjuster available - keeps the transmission straight, and prevents chain or belt wear. 4 loc...

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...

Harley Big Twin primary chain 428-2x82. Replace your stretched out chain with a new one. 36-86 Big Twin 4 Speed, 84-06 FXST/FLST, 91-05 Dyna Impro...

Harley Big Twin primary chain 35-3 x 96. Replace your stretched out chain with a new one. 04-22 Sportster 1200 Improved fatigue resistance Pre-loa...

Harley Big Twin primary chain 35-3 x 94. Replace your stretched out chain with a new one. 57-03 Sportster, 04-22 Sportster 883 Improved fatigue re...

Ultima 2" Old School open primary belt drive assembly. Includes High Performance USA made Alto clutch plates and a 2" Goodyear belt. This high qual...