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Drag Specialties - Derby Covers - Fits '99-'18 Big Twin (Except '16 Dressers, '15 FLHTCUL/FLHTKL)
Drag Specialties
$38.71 - $42.79Drag Specialties - Derby Covers These Domed Design Deby Covers have a clean simple look. Features Die-cast construction Available in multiple finishes Includes mounting hardware Fitment 2020 Harley-Davidson Softail Low Rider S...$38.71 - $42.79 -
Cometic - Twin Cam Primary Cover Gasket Kit - fits '06-Up Dyna, '07-Up Softail
$111.09Cometic - Twin Cam Primary Cover Gasket Kit - fits '06-Up Dyna, '07-Up Softail Cometic AFM primary gasket kit includes everything to reseal your inner/ outer primary. Fits: FXD 2006-UP FXST 2007-UP FLST 2007-UP$111.09 -
Drag Specialties - Derby Covers - Fits '94-'03 XL
Drag Specialties
$29.53 - $31.57Drag Specialties - Derby Covers These Domed Design Deby Covers have a clean simple look. Features: Die-cast construction Available in multiple finishes Includes mounting hardware Fitment: Fits '94-'03 XL$29.53 - $31.57 -
Drag Specialties - Derby Covers - Fits '04-'18 XL
Drag Specialties
$37.69 - $48.91Drag Specialties - Derby Covers These Domed Design Derby Covers have a clean simple look. Features: Die-cast construction Available in multiple finishes Includes mounting hardware Fitment: Fits '04-'18 XL$37.69 - $48.91 -
PSR - Manual Primary Chain Tensioner fits '17-'21 M8 Models
PSR
$222.95PSR - Manual Primary Chain Tensioner fits '17-'21 M8 Models Features Helps with overtightening; easy to adjust Heavy-duty manual tensioner Precision machined from billet aluminum Mounts with OEM hardware Comes in smooth black...$222.95 -
Drag Specialties - Inspection Covers - fits '91-'03 XL
Drag Specialties
$19.33 - $25.45Drag Specialties Inspection Covers for Harley Sportster These Inspection Covers by Drag are available in Black, Chrome or Polished. Features: Machined from billet aluminum Multiple styles of finish available Fitment: '91-'03 XL$19.33 - $25.45 -
Drag Specialties - Derby Covers - Fits '84-'98 Big Twin
Drag Specialties
$29.53 - $32.59Drag Specialties - Derby Covers These Domed Design Deby Covers have a clean simple look. Features Die-cast construction Available in multiple finishes Includes mounting hardware Fitment 1999 Harley-Davidson Softail Night Train...$29.53 - $32.59 -
Thrashin Supply Harley Derby Covers - Twin Cam/ Evo
Thrashin Supply
$119.95 - $129.95Thrashin Supply Harley Derby Covers - Twin Cam/ Evo The Thrashin Supply Co. Classic Derby Cover is constructed from tough billet aluminum. Not only does this look super clean and sleek but it's durable so it'll last. Available in your choice of polished...$119.95 - $129.95 -
Drag Specialties - Primary Chain Inspection Covers - fits '00-'06 FXST/FLST, '99-'05 FXDWG
Drag Specialties
$14.23Drag Specialties Primary Chain Inspection Covers Features: Machined from steel Available with a chrome, black wrinkle or flat black finish Sold each Fitment: (Repl. OEM 60572-78) YearMakeModel 2005 Harley-Davidson 15th Anniversary...$14.23 -
V-Twin - Inner Primary Mounting Bolt for Twin Cam (OEM #786A)
V-Twin Manufacturing
$39.29V-Twin - Inner Primary Mounting Bolt for Twin Cam (OEM #786A) Inner primary mounting bolt for Twin Cam is a grade 5 bolt with built in sealing washer under bolt flange. Fitment: FXBB 2018-UP FXFB 2018-UP FXD 2006-2017 FLST 2007-2017 FXLR...$39.29 -
Drag Specialties - Harley Davidson Primary Chain
Drag Specialties
$110.16 - $132.60Drag Specialties Primary Chain This primary chain by Drag was designed to last made using high quality raw materials. Features: Improved fatigue resistance Pre-loaded to reduce initial elongation Endless construction using...$110.16 - $132.60 -
PSR - Manual Primary Chain Tensioner fits '07-'17 Softail & '06-'17 Dyna Models
PSR
$222.95PSR - Manual Primary Chain Tensioner fits '07-'17 Softail & '06-'17 Dyna Models PSR's Manual Primary Chain Tensioner is precision-machined from billet aluminum. It helps with over-tightening and is easy to adjust. Features Heavy-duty manual...$222.95 -
Trask Assault Series Derby Cover - fits '99-'11 Softail, '99-'17 Dyna, '99-'15 FL
Trask Performance
$279.95Trask Assault Series Derby Cover - fits '99-'11 Softail, '99-'17 Dyna, '99-'15 FL Upgrade the look of your Harley Davidson's primary with this see-through derby cover from Trask performance. Available in Chrome, Gloss Black, and Raw Machined...$279.95 -
James Gaskets - Primary Cover Gasket Seal Kit - fits '80-'93 FLT, FXR
James Gaskets
$67.95James Gaskets Gasket Kits use state of the art materials and production methods to make the best gaskets available. Made in the USA Fitment: '80-'93 FLT, FXR$67.95 -
James Gaskets - Primary Gasket, Seal & O-Ring Kit W/ Silicone Bead fits '94-'06 Softail & '94-'05 Dyna Glide Models
James Gaskets
$96.95James Gaskets - Primary Gasket, Seal & O-Ring Kit W/ Silicone Bead fits '94-'06 Softail & '94-'05 Dyna Glide Models This kit features top-quality gaskets, seals and O-rings that meet or exceed OEM specifications. Features Primary gasket...$96.95 -
Drag Specialties - Inspection Covers - fits '04-'18 XL
Drag Specialties
$34.63 - $39.73Drag Specialties Inspection Covers for Harley Sportster These Inspection Covers by Drag are available in Black or Chrome. Features: Machined from billet aluminum; includes gasket and hardware Multiple styles of finish...$34.63 - $39.73 -
Drag Specialties - XL Primary Covers - fits '94-'03 XL
Drag Specialties
$288.61 - $304.93Drag Specialties XL Primary Covers for '94-'03 Sportsters These Primary Covers by Drag are a great stock replacement option for your Sportster. They are available in Chrome or Black Satin finish. Features: Die-cast aluminum construction Available...$288.61 - $304.93 -
Baker - High Torque Bearing/Seal Kit fits '99-'06 Harley Twin Cam
Baker
$66.00Baker - High Torque Bearing/Seal Kit fits '99-'06 Harley Twin Cam If your Harley has got some serious horsepower then this is just what you need. The Baker High Torque Bearing/Seal Kit is made to replace the two-piece bearing and seal in the inner...$66.00 -
James Gaskets - Inspection-Derby Cover Gasket Kit - fits '99-06 Softail, Dyna (except '06 Dyna)
James Gaskets
$27.95James Gaskets Twin Cam Gasket Kits uses state of the art materials and production methods to make the best gaskets available. Made in the USA Fitment: '99-06 Softail, Dyna (except '06 Dyna)$27.95 -
James Gaskets - Primary Gasket, Seal & O-Ring Kit fits '91-'03 XL Models W/ Silicone Bead
James Gaskets
$33.95James Gaskets - Primary Gasket, Seal & O-Ring Kit fits '91-'03 XL Models W/ Silicone Bead This kit features top quality gaskets, seals and O-rings that meet or exceed OEM specifications, and the primary gasket features silicone beading. Made in the...$33.95 -
On Sale
All Balls Racing - Inner Primary Bearing Kit fits '08-'13 Big Twin Models
All Balls Racing
MSRP: $45.95Now: $40.99Was: $50.95All Balls Racing - Inner Primary Bearing Kit fits '08-'13 Big Twin ModelsMSRP: $45.95Now: $40.99Was: $50.95 -
Trask - Gloss Black Assault Derby Cover fits '18-Up M8 Softails W/ Narrow Primary Covers
Trask
$279.95Trask - Gloss Black Assault Derby Cover fits '18-Up M8 Softails W/ Narrow Primary Covers Trask's Assault Derby Covers are built with billet machined 6061-T6 aluminum construction and feature an acrylic see-through window. The covers match the Trask...$279.95 -
Baker - High Torque Replacement Seal fits '99-'06 Harley Twin Cam
Baker
$17.50Baker - High Torque Replacement Seal fits '99-'06 Harley Twin Cam If your Harley has got some serious horsepower then this is just what you need. The Baker High Torque Replacement Seal is made to replace the seal in Baker High Torque Bearing/Seal...$17.50 -
Barnett - Clear Derby Cover - Black - Fits '07-'18 Twin Cam
Barnett
MSRP: $239.95$234.74Barnett - Clear Derby Cover - Black - Fits '07-'18 Big Twin Features a .25"-thick, clear polycarbonate window to your clutch The scratch- and discoloration-resistant window is firmly secured and sealed with an O-ring gasket The outer cover area is...MSRP: $239.95$234.74 -
Trask Assault Series Derby Cover - fits '16-'21 Harley Touring Models
Trask Performance
$279.95Trask Assault Series Derby Cover - fits '16-'21 Harley Touring Models Upgrade the look of your Harley Davidson's primary with this see-through derby cover from Trask performance. Available in Chrome, Gloss Black, and Raw Machined. Features: Billet...$279.95 -
Feuling - 12-Point External Primary/Transmission Engine Fastener Kit fits '99-'05 Dyna Models
Feuling
$289.95Feuling - 12-Point External Primary/Transmission Engine Fastener Kit fits '99-'05 Dyna Models The 12-Point External Primary/Transmission Engine Fastener Kit allows you to secure your engine with complete confidence. The kit comes with all of the...$289.95 -
V-Twin - Black Inner Primary Cover fits '37-'48 UL, '36-'40 EL, '46-'54 FL Models (OEM #60620-36)
V-Twin Manufacturing
$143.37V-Twin - Black Inner Primary Cover fits '37-'48 UL, '36-'40 EL, '46-'54 FL Models (OEM #60620-36) Steel inner primary cover has a small hole at engine end and features a bloss black finish. Does not include oil drain holes. Note: Installer may...$143.37 -
PSR - Manual Primary Chain Tensioner fits '07-'16 Touring Models
PSR
$222.95PSR - Manual Primary Chain Tensioner fits '07-'16 Touring Models PSR's Manual Primary Chain Tensioner is precision-machined from billet aluminum. It helps with over-tightening and is easy to adjust. Features Heavy-duty manual tensioner Mounts with...$222.95 -
James Gaskets - Primary Gasket, Seal & O-Ring Kit W/ Silicone Bead fits '77-'03 Sportster Models
James Gaskets
$33.95James Gaskets - Primary Gasket, Seal & O-Ring Kit W/ Silicone Bead fits '77-'03 Sportster Models This kit features top-quality gaskets, seals and O-rings that meet or exceed OEM specifications. Features Primary gasket features silicone...$33.95 -
James Gaskets - Primary Gasket, Seal & O-Ring Kit W/ Foamet® fits '94-'06 Softail & '94-'05 Dyna Glide Models
James Gaskets
$119.95James Gaskets - Primary Gasket, Seal & O-Ring Kit W/ Foamet® fits '94-'06 Softail & '94-'05 Dyna Glide Models This kit features top-quality gaskets, seals and O-rings that meet or exceed OEM specifications. Features Primary gasket...$119.95 -
James Gaskets - Primary Gasket, Seal & O-Ring Kit W/ Silicone Bead fits '04-'21 Sportster Models (Exc. '21 Sportster S/RH1250S)
James Gaskets
$39.95James Gaskets - Primary Gasket, Seal & O-Ring Kit W/ Silicone Bead fits '04-'21 Sportster Models (Exc. '21 Sportster S/RH1250S) This kit features top-quality gaskets, seals and O-rings that meet or exceed OEM specifications. Features Primary...$39.95 -
Baker - Armored Attitude Chain Adjuster fits '06-'17 Dyna, '07-'17 Softail and '07-'23 Touring Models
Baker
$299.00Baker - Armored Attitude Chain Adjuster fits '06-'17 Dyna, '07-'17 Softail and '07-'23 Touring Models Features 28% finer teeth spacing (compared to '01-'06 chain adjuster) for more accurate adjustments Active Plate and Back Support Plate investment...$299.00 -
Energy Suspension - Poly Cush Drive fits '09 & Up Touring Models
Energy Suspension
$46.99Energy Suspension - Poly Cush Drive fits '09 & Up Touring Models Features Manufactured with proprietary Hyer-Flex™ Polyurethane Out performs and outlasts OEM rubber Resists Oils and Chemicals Smoother ride Fitment 2019 - FLHR Road...$46.99 -
Jims - 2317 Primary Locking Bar for 5-Speed FXR/FLT/FLHT Models
Jims
$43.95Jims - 2317 Primary Locking Bar for 5-Speed FXR/FLT/FLHT Models This bar is to be used to lock primary for service work. Features Immobilizes primary drive Allows for tightening with a torque wrench or loosening with a breaker bar Prevents...$43.95 -
Drag Specialties - Derby Covers - Fits '16-'18 FLHT/FLHX/FLTRS, '15 FLHTCUL/FLHTKL
Drag Specialties
$64.21 - $66.25Drag Specialties - Derby Covers These Domed Design Derby Covers have a clean simple look. Features: Die-cast construction Available in multiple finishes Includes mounting hardware Fitment: '16-'18 FLHT/FLHX/FLTRS '15 FLHTCUL/FLHTKL$64.21 - $66.25 -
Drag Specialties - Outer Primary Cover - fits Dyna & Softail Models
Drag Specialties
$312.07 - $317.17Drag Specialties Outer Primary Cover fits Dyna and Softail Models Drag Specialties outer primary kit is just what you need for your Harley Davidson if you're looking to switch it up a bit. Made from durable aluminum, this cover can withstand just about...$312.07 - $317.17 -
James Gaskets - Primary Cover Gasket Kit, Paper w/ Bead - fits '06-Up Dyna, '07-Up Softail
James Gaskets
$75.95James Gaskets Twin Cam Gasket Kits uses state of the art materials and production methods to make the best gaskets available. Made in the USA Fitment: '06-Up Dyna, '07-Up Softail$75.95 -
Drag Specialties - Manual Primary Chain Adjuster fits '07-'16 Touring, '09-'16 H-D FL Trike, '07-'17 Softail & '06-'17 Dyna Models
Drag Specialties
$151.93Drag Specialties - Manual Primary Chain Adjuster fits '07-'16 Touring, '09-'16 H-D FL Trike, '07-'17 Softail & '06-'17 Dyna Models The Manual Primary Chain Adjuster allows for the proper adjustment of the primary chain to the factory requirements of...$151.93 -
James Gaskets - Primary Cover Gasket Kit, Foamet w/ Bead - fits '06-Up Dyna, '07-Up Softail
James Gaskets
$101.95James Gaskets Twin Cam Gasket Kits uses state of the art materials and production methods to make the best gaskets available. Made in the USA Fitment: '06-Up Dyna, '07-Up Softail$101.95 -
Paughco - Inner Primary Covers - fits '36-'54/'55-'64 Big Twin Models
Drag Specialties
$249.95 - $261.95Paughco Inner Primary Covers fits '36-'54/'55-'64 Big Twin Models Looking to switch up your Hydra or Duo Glide? Paughco has developed these inner primary covers that can do just that for you. Being a well known, reputable company, you can trust that...$249.95 - $261.95
Harley Primary
Upgrade your Harley primary system with premium components designed for peak performance and durability. Found under our Clutch, Driveline & Transmission category, these parts are engineered to ensure smoother power delivery, reduced vibration, and more efficient drivetrain operation. Whether you're maintaining or upgrading, a strong Harley primary setup is key to getting the most out of your ride.
Our collection includes high-quality Harley primary covers, primary chains, compensator sprockets, clutch baskets, and both inner and outer primary components—all crafted from durable materials like forged steel and precision-machined aluminum. Built to handle aggressive riding and tough conditions, these parts meet or exceed OEM standards.
Don’t settle for less. Explore our full range of Harley primary parts and Harley primary covers today and feel the performance difference every time you hit the throttle.