Primary
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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V-Twin - 42-0601 - Oval Inspection Chrome
V-Twin
$25.35V-Twin - 42-0601 - Oval Inspection ChromeDescriptionChrome oval inspection cover has a smooth chrome finish with 4 screw holes. Fits:FL 1970-1984FLST 1986-2006FXST 1984-2006Additional Information OEM No.60572-78 UOM1 - EA ManufacturerV-Twin ...$25.35 -
V-Twin - 42-0600 - Oval Inspection Chrome Finned Type
V-Twin
$13.86V-Twin - 42-0600 - Oval Inspection Chrome Finned TypeDescriptionFinned oval inspection chrome for primary covers on Big Twin models. Fits:FL 1970-1984FLST 1986-2006FXST 1984-2006Additional Information UOM1 - EA ManufacturerV-Twin OriginImported 2025...$13.86 -
V-Twin - 42-0385 - Replica Outer Primary Cover Chrome Kit
V-Twin
$230.76V-Twin - 42-0385 - Replica Outer Primary Cover Chrome KitDescriptionReplica chrome outer primary cover kit includes original style chrome cover, chrome derby cover, chrome inspection cover, gaskets and screw kit.. Fits:FL 1955-1964Additional Information ...$230.76 -
V-Twin - 42-0360 - Primary Cover Trim Black
V-Twin
$136.66V-Twin - 42-0360 - Primary Cover Trim BlackDescriptionBlack primary cover trim is open derby type. Trim fully covers the existing primary and is secured in place by the 5 existing screws. Fits:XL 1994-2003Additional Information UOM1 - EA ...$136.66 -
V-Twin - 42-0314 - Inner Primary Trim Chrome
V-Twin
$43.51V-Twin - 42-0314 - Inner Primary Trim ChromeDescriptionChrome inner primary trim easily adapts to stock cast inner primary without complicated disassembly. Fits:FL 1971-1984FX 1971-1984Additional Information UOM1 - EA ManufacturerV-Twin OriginImported...$43.51 -
V-Twin - 42-0234 - 45 inch Replica Outer Primary Cover Black
V-Twin
$234.07V-Twin - 42-0234 - 45 inch Replica Outer Primary Cover BlackDescription45" replica black outer primary cover Fits:G 1941-1963Additional Information OEM No.60504-32 UOM1 - EA ManufacturerV-Twin OriginImported 2025 Catalog Pages814$234.07 -
V-Twin - 40-9982 - Rear Chain Oiler T
Wyatt Gatling
$19.86V-Twin - 40-9982 - Rear Chain Oiler TDescriptionRear chain oiler T is for use with a primary cover. Fits:FX 1971-1978FL 1970-1978Additional Information OEM No.63541-70 UOM1 - EA ManufacturerWyatt Gatling OriginImported 2025 Catalog Pages161$19.86 -
V-Twin - 40-9976 - Chain Oiler Fitting
Wyatt Gatling
$19.86V-Twin - 40-9976 - Chain Oiler FittingDescriptionSide hole type chain oiler fitting is for extra chain oil. Fits:FL 1970-1984FX 1971-1984Additional Information UOM1 - EA ManufacturerWyatt Gatling OriginImported 2025 Catalog Pages745$19.86 -
V-Twin - 40-9968 - Side Valve Primary Chain Oiler Tube
Wyatt Gatling
$21.86V-Twin - 40-9968 - Side Valve Primary Chain Oiler Tube Description Primary chain oiler tube for 74", 80" and 45" Side Valve models, presses into the left side engine case. Fits: G 1937-1973 U 1937-1948 W 1937-1952 Additional...$21.86 -
V-Twin - 40-0524 - Chain Oiler Fitting
Wyatt Gatling
$19.76V-Twin - 40-0524 - Chain Oiler FittingDescriptionFitting attaches to inner primary cover with external hose barb connection. Fits:FL 1970-1984FX 1971-1984Additional Information OEM No.60549-70 UOM1 - EA ManufacturerWyatt Gatling OriginImported 2025...$19.76 -
V-Twin - 40-0176 - Primary Oil Fitting
Colony
$31.13V-Twin - 40-0176 - Primary Oil FittingDescriptionPrimary fitting for cover. Fits:FL 1936-1964Additional Information OEM No.60548-36 UOM3 - PK ManufacturerColony OriginImported 2025 Catalog Pages556$31.13 -
V-Twin - 37-9030 - Chain Tensioner Screws
V-Twin Manufacturing
$11.88V-Twin - 37-9030 - Chain Tensioner ScrewsDescriptionChain tensioner screws has phillips flat head Fits:FXD 1991-2005FLST 1986-2006FXST 1984-2006FL 1965-1984FX 1971-1984FLT 1984-2005FXR 1984-1994Additional Information OEM No.1783 UOM10 - PK ...$11.88 -
V-Twin - 37-8999 - Primary Cover Cap Set Chrome
V-Twin
$40.07V-Twin - 37-8999 - Primary Cover Cap Set ChromeDescriptionChrome hex head primary cover filler and clutch hole cap are easily installed and removed with a standard 15/16" wrench. Fits:XL 1971-1976Additional Information UOM1 - SET ManufacturerV-Twin ...$40.07 -
V-Twin - 37-8991 - Primary Cap Set Chrome
V-Twin
$40.07V-Twin - 37-8991 - Primary Cap Set ChromeDescriptionInspection Cover Set in rich chrome, hex style, for clutch and chain on primary cover. Years 1986 through 1990.*NOTE: Non-vented type. Fits:XL 1986-1990Additional Information UOM1 - SET ...$40.07 -
V-Twin - 37-8989 - Primary Cover Cap Set Chrome
V-Twin
$41.64V-Twin - 37-8989 - Primary Cover Cap Set ChromeDescriptionChrome hex head primary cover filler and clutch hole cap are easily installed and removaled with a standard 15/16" wrench. Fits:XL 1977-1984Additional Information UOM1 - SET ManufacturerV-Twin ...$41.64 -
V-Twin - 37-8934 - Magnetic Inner Primary Drain Plug
V-Twin
$11.80V-Twin - 37-8934 - Magnetic Inner Primary Drain PlugDescriptionMagnetic drain plug prevents metal particles from circulating through engine, transmission and oil tanks. Plug is 1/8" - 27 national pipe thread. Fits:FLST 1987-1989FXST 1987-1989FXR...$11.80 -
V-Twin - 37-8931 - Primary Cover Seal Washer
V-Twin
$21.78V-Twin - 37-8931 - Primary Cover Seal WasherDescriptionPrimary cover seal washer with o-ring Fits:FLST 1986-2006FXST 1984-2006Additional Information OEM No.31433-84A UOM10 - PK ManufacturerV-Twin OriginImported 2025 Catalog Pages442$21.78 -
V-Twin - 37-8803 - Inner Primary Safety Bolt
V-Twin
$21.98V-Twin - 37-8803 - Inner Primary Safety BoltDescriptionInner primary safety bolt Fits:FL 1971-1984FX 1971-1984Additional Information OEM No.4021 UOM5 - PK ManufacturerV-Twin OriginImported 2025 Catalog Pages443$21.98 -
V-Twin - 37-8801 - Chain Tensioner Adjuster Shoe Bolts
V-Twin
$14.36V-Twin - 37-8801 - Chain Tensioner Adjuster Shoe BoltsDescriptionChain tension adjuster shoe bolts are 1-15/16" long with 1/2"-28 thread. Fits:FXD 1991-2000FXST 1984-2000FL 1965-1984FX 1971-1984FLST 1986-2000FXR 1984-1994FLT 1984-2000Additional...$14.36 -
V-Twin - 37-8690 - Primary Cover Cap Set Chrome
V-Twin
$41.45V-Twin - 37-8690 - Primary Cover Cap Set ChromeDescriptionChrome primary cover cap set Fits:XL 1986-1990Additional Information OEM No.34745-87 UOM1 - SET ManufacturerV-Twin OriginImported 2025 Catalog Pages834$41.45 -
V-Twin - 37-8687 - Primary Cover Cap Set Polished
V-Twin
$32.60V-Twin - 37-8687 - Primary Cover Cap Set PolishedDescriptionPolished primary cover cap set. Fits:XL 1986-1990Additional Information UOM1 - SET ManufacturerV-Twin OriginImported 2025 Catalog Pages834$32.60 -
V-Twin - 37-8668 - Aluminum Inner Primary Mount Kit
V-Twin
$23.88V-Twin - 37-8668 - Aluminum Inner Primary Mount KitDescriptionAluminum inner primary mount kit contains all stock type har dware for mounting aluminum inner chain housing. Fits:FXST 1985-1988FLST 1986-1988Additional Information UOM1 - KIT ...$23.88 -
V-Twin - 37-8349 - Primary Cover Hole Plug Chrome
V-Twin
$23.96V-Twin - 37-8349 - Primary Cover Hole Plug ChromeDescriptionChrome primary cover hole plug Fits:FL 1954-1964Additional Information OEM No.60650-54A UOM5 - PK ManufacturerV-Twin OriginImported 2025 Catalog Pages757$23.96 -
V-Twin - 37-7784 - Primary Cover Cap Set Chrome
V-Twin
$27.78V-Twin - 37-7784 - Primary Cover Cap Set ChromeDescriptionChrome stock type primary cover filler and clutch hole cap are easily installed and removable with a standard primary plug wrench.Both caps are non-vented. Fits:XL 1977-1984Additional Information ...$27.78 -
V-Twin - 37-7377 - Chrome Primary Cover Cap Set
V-Twin
$33.65V-Twin - 37-7377 - Chrome Primary Cover Cap SetDescriptionChrome primary cover cap set is for filler and clutch adjustment holes on XL models. These are machined smaller for special application.*NOTE: Threads are clearanced to fit for installation on...$33.65 -
V-Twin - 37-7376 - Chrome Primary Cover Cap Set
V-Twin
$33.65V-Twin - 37-7376 - Chrome Primary Cover Cap SetDescriptionChrome primary cover cap set is for filler and clutch adjustment holes on XL models. These are machined smaller for special application.*NOTE: Threads are clearanced for fitting for installation...$33.65 -
V-Twin - 37-7276 - Polished Primary Cover Cap Set
V-Twin
$31.67V-Twin - 37-7276 - Polished Primary Cover Cap SetDescriptionPolished primary cover cap set is for filler and clutch adjustment holes on XL models.*NOTE: For use with polished outer covers. ...$31.67 -
V-Twin - 37-1201 - Primary Allen Type Screw Kit
V-Twin
$46.33V-Twin - 37-1201 - Primary Allen Type Screw KitDescriptionPrimary allen type screw kit. Fits:XL 2004-UPAdditional Information UOM1 - KIT ManufacturerV-Twin OriginImported 2025 Catalog Pages839$46.33 -
V-Twin - 37-0452 - Primary Cover Filler Cap Chrome
V-Twin
$23.51V-Twin - 37-0452 - Primary Cover Filler Cap ChromeDescriptionStock single slot primary cover filler and clutch hole cap are easily installed and removaled with a standard 15/16" wrench. These are sold each and two are required. Fits:XL...$23.51 -
V-Twin - 37-0451 - Primary Cover Filler Cap Alloy
V-Twin
$19.86V-Twin - 37-0451 - Primary Cover Filler Cap AlloyDescriptionStock single slot primary cover filler and clutch hole caps are easily installed and removed with a standard 15/16" wrench. These are sold each and two are required. Fits:XL 1952-1970Additional...$19.86 -
V-Twin - 37-0095 - Magnetic Inner Primary Drain Plug
V-Twin
$10.18V-Twin - 37-0095 - Magnetic Inner Primary Drain PlugDescriptionMagnetic drain plug prevents metal particles from circulating. Plug is 1/2" - 20 UNF. Fits:FXST 1984-1986FL 1965-1984FX 1971-1984FXR 1984-1986Additional Information OEM No.60348-65B UOM1 -...$10.18 -
V-Twin - 37-0050 - Primary Cover Cap Set Chrome
V-Twin
$35.65V-Twin - 37-0050 - Primary Cover Cap Set ChromeDescriptionChrome stock type primary cover filler and clutch hole cap are easily installed and removable with a standard primary plug wrench.Threaded plugs are 1-1/2" x 12 and 1-3/8" x 12T, not undersize...$35.65 -
V-Twin - 35-1768 - Friction Spring Throttle Tension Screw
V-Twin
$11.88V-Twin - 35-1768 - Friction Spring Throttle Tension ScrewDescriptionFriction spring throttle tension screw fits 1974-2022 with single or dual throttle.Sold in a pack of 10. Fits:XL 1974-2022FXR 1982-1994FL 1974-1984FX 1974-1984FXD 1991-2017FLST...$11.88 -
V-Twin - 3397-11 - Primary Cover Allen Screw Kit
Colony
$16.36V-Twin - 3397-11 - Primary Cover Allen Screw KitDescriptionPrimary cover allen screw kit features the original stock finish. Fits:XL 1977-1984Additional Information UOM1 - KIT ManufacturerColony OriginUSA 2025 Catalog Pages834$16.36 -
V-Twin - 3111-2 - Inner Primary Mount Plug Tool
Colony
$22.50V-Twin - 3111-2 - Inner Primary Mount Plug ToolDescriptionFront chain guard inner primary mount plug tool is used to secure the tool to the plugs to remove or intall them. Fits:G 1939-1973W 1939-1952Additional Information UOM1 - SET ManufacturerColony ...$22.50 -
V-Twin - 3049-7 - Chain Oiler Adjuster Screw Kit Parkerized
Colony
$14.74V-Twin - 3049-7 - Chain Oiler Adjuster Screw Kit ParkerizedDescriptionChain oiler adjuster screw kit features a parkerized finish and includes screws and washers. Fits:G 1932-1950FL 1932-1950 Early 1932Additional Information OEM No.26383-32 UOM1 - KIT ...$14.74 -
V-Twin - 2879-1 - Primary Cover Filler and Clutch Hole Cap
Colony
$26.65V-Twin - 2879-1 - Primary Cover Filler and Clutch Hole CapDescriptionPrimary cover filler and clutch hole cap features no vent hole. Fits:XL 1977-1985Additional Information OEM No.34742-77B UOM1 - EA ManufacturerColony OriginUSA 2025 Catalog Pages835$26.65 -
V-Twin - 28-0568 - Primary Chain Nylon Liner Red
V-Twin
$13.86V-Twin - 28-0568 - Primary Chain Nylon Liner RedDescriptionRed nylon liner for primary chain Fits:FXD 1991-2000FXST 1984-2000FL 1965-1984FX 1971-1984FLST 1986-2000FXR 1984-1994FLT 1984-2000Additional Information UOM1 - EA ManufacturerV-Twin ...$13.86 -
V-Twin - 28-0483 - Replacement Tensioner Shoe Only
V-Twin
$41.80V-Twin - 28-0483 - Replacement Tensioner Shoe OnlyDescriptionReplacement rensioner shoe only for the solo 32 tooth solid compensator and tensioner shoe kit. Fits:FLT 2007-2016FLST 2007-2017FXD 2006-2006FXST 2007-2017Additional Information UOM1 - EA ...$41.80 -
V-Twin - 28-0234 - Chain Tension Nylon Pad
V-Twin
$12.12V-Twin - 28-0234 - Chain Tension Nylon PadDescriptionNylon pad for chain tension Fits:FXST 2001-2006FXD 2001-2005FLT 2001-2005FLST 2001-2006Additional Information OEM No.39976-01 UOM1 - EA ManufacturerV-Twin OriginImported 2025 Catalog Pages213$12.12
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.