Primary
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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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
Barnett - Clear Derby Cover Black fits '99-'06 Big Twin Models
Barnett
$234.74Barnett - Clear Derby Cover Black fits '99-'06 Big Twin Models Feature a quarter inch thick, clear polycarbonate window to your clutch. The outer cover is CNC machinced from billet aluminum, chrome plated and then the scratch and discoloration...$234.74 -
Colony - 1-1/4" Sprocket/Belt Pulley Mounting Hardware Kit with Nuts fits '73-'92 FL, FX & XL Models (OEM #41197-73)
Colony Machine
$25.95Colony - 1-1/4" Sprocket/Belt Pulley Mounting Hardware Kit with Nuts fits '73-'92 FL, FX & XL Models (OEM #41197-73) Features: Brake rotor, sprocket and belt mounting kits Available to fit virtually all H-D brakes, chain and belt...$25.95 -
Drag Specialties - Outer Primary Cover - fits '84-'85 FXST and '71-'84 FX/FXWG
Drag Specialties
$240.67 - $276.37Drag Specialties Outer Primary Cover fits '84-'85 FXST and '71-'84 FX/FXWG 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...$240.67 - $276.37 -
Drag Specialties - Chrome Outer Primary Cover - fits '70-'84 FL
Drag Specialties
$276.37Drag Specialties - Chrome Outer Primary Cover - fits '70-'84 FL 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...$276.37 -
Belt Drives Ltd. - 2" Drive Belt fits '07-'17 Softail w/ Mechanical Clutch (Except FXSB/SE, FXCW/C) & '06-'17 Dyna w/ Forward Controls
Belt Drives Ltd
$3,033.95 - $3,510.95Belt Drives Ltd. - 2" Drive Belt fits '07-'17 Softail w/ Mechanical Clutch (Except FXSB/SE, FXCW/C) & '06-'17 Dyna w/ Forward Controls Features: Ball-bearing lockup clutch provides approximately 60% more surface contact area than the stock clutch...$3,033.95 - $3,510.95 -
Belt Drives Ltd. - " Electric Start 8mm Belt Drive with Lock-Up fits '99-'05 Dyna Glide Models
Belt Drives Ltd
$2,871.95Belt Drives Ltd. - " Electric Start 8mm Belt Drive with Lock-Up fits '99-'05 Dyna Glide Models Features: Direct bolt-in applications All systems come with the Quiet Clutch and ball-bearing lockup design pressure plate Lockup design applies extra...$2,871.95 -
Belt Drives Ltd. - 1-5/8" Belt Drive Kit fits '00-'06 FXST/FLST & '99-'05 Dyna Models
Belt Drives Ltd
$1,116.95Belt Drives Ltd. - 1-5/8" Belt Drive Kit fits '00-'06 FXST/FLST & '99-'05 Dyna Models Features: 1-5/8" kits include front pulley, belt, clutch hub, clutch basket and aramid clutch set (consists of two half plates, four full plates and five steel...$1,116.95 -
Belt Drives Ltd. - 2.75" Drive Belt fits '07-'17 Softail with Mechanical Clutch (Except FXSB/SE, FXCW/C) & '06-'17 Dyna w/ Forward Controls
Belt Drives Ltd
$3,033.95 - $3,511.95Belt Drives Ltd. - 2.75" Drive Belt fits '07-'17 Softail with Mechanical Clutch (Except FXSB/SE, FXCW/C) & '06-'17 Dyna w/ Forward Controls Features: Feature BDL's ball-bearing lockup clutch with ring gear Kit includes motor plate, 52-tooth...$3,033.95 - $3,511.95 -
Belt Drives Ltd. - 2" Black Belt Drive Kit fits '07-'17 Softail (Except FXSB/SE, FXCW/C) & '06-'15 Dyna w/ Mechanical Clutch and Forward Controls
Belt Drives Ltd
$3,644.95Belt Drives Ltd. - 2" Black Belt Drive Kit fits '07-'17 Softail (Except FXSB/SE, FXCW/C) & '06-'15 Dyna w/ Mechanical Clutch and Forward Controls Features: Features a two-piece motor plate design and 2" primary belt 52/69 pulley combination for...$3,644.95 -
Colony - 2-1/4" Socket-Head Belt Pulley Mounting Hardware Kit with Washers fits '00-'06 Softail, '00-'05 Dyna Models (OEM #3737)
Colony Machine
$32.95Colony - 2-1/4" Socket-Head Belt Pulley Mounting Hardware Kit with Washers fits '00-'06 Softail, '00-'05 Dyna Models (OEM #3737) Features: Brake rotor, sprocket and belt mounting kits Available to fit virtually all H-D brakes, chain and belt...$32.95 -
Colony - 7/16"-14 x 1-1/2" Sprocket Pulley Mounting Hardware Kit with Washers fits '73-'98 FL, FX & XL Models (OEM #3769)
Colony Machine
$30.95Colony - 7/16"-14 x 1-1/2" Sprocket Pulley Mounting Hardware Kit with Washers fits '73-'98 FL, FX & XL Models (OEM #3769) Features: Brake rotor, sprocket and belt mounting kits Available to fit virtually all H-D brakes, chain and belt...$30.95 -
Colony - Acorn Front Belt Drive Pulley Nut fits '99-'06 Twin Cam Models
Colony Machine
$14.95Colony - Acorn Front Belt Drive Pulley Nut fits '99-'06 Twin Cam Models Features: Chrome front pulley nut for open primary belt drive applications Made in the U.S.A. Fitment 2006 Harley-Davidson Softail Heritage EFI...$14.95 -
Drag Specialties - Inner Primary Mainshaft Bearing/Seal Kit fits '89-'99 Evolution Big Twin & '99-'06 Big Twin Models (Exc. Dyna Glide Models)
Drag Specialties
$50.95Drag Specialties - Inner Primary Mainshaft Bearing/Seal Kit fits '89-'99 Evolution Big Twin & '99-'06 Big Twin Models (Exc. Dyna Glide Models) This kit comes with a pinion seal, a main shaft seal, bearing snap rings, an inner bearing race and a...$50.95 -
Drag Specialties - Chrome Outer Primary Covers fits Dyna/Softail Models (See Desc.)
Drag Specialties
$448.75 - $457.93Drag Specialties - Chrome Outer Primary Covers fits '06-'17 Dyna/Softail Models The Drag Specialties Chrome Outer Primary Cover is available in two different fitments. Part #1107-0324 fits '07-'17 Softail Models and is a replacement for OEM #60782-06,...$448.75 - $457.93 -
Out of stock
Thrashin Supply Harley Twin Cam Derby Covers, Dished
Thrashin Supply
$139.95Thrashin Supply Co. Dished Derby Cover for Harley Twin Cam Models The Thrashin Supply Co. Dished 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...$139.95 -
Out of stock
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 -
Out of stock
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 -
Out of stock
Jims Tools - Primary Locking Bar for 5-Speed FXR/FLT/FLHT Models
Jims Tools
$43.95Jims Tools - 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 -
Out of stock
Drag Specialties - Primary Drive Kit - fits '99-'06 Harley Big Twin
Drag Specialties
$898.57Drag Specialties Primary Drive Kit fits '99-'06 Harley Big Twin Drag Specialties is known for having quality products at reasonable prices. This primary drive kit is just that. This kit has got just about everything covered, it comes with the...$898.57
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.