Harley Hardware
Harley Bike Hardware at JJ Motorsports
Finish your Harley build with premium hardware from JJ Motorsports, featuring chrome rotor bolts, exhaust stud kits, and grommet assortments for clean installation and long-lasting reliability on Sportster, Big Twin, Evo, Twin Cam, and M8 models. These high-quality fasteners and grommets ensure perfect fit and show-ready finish.
Shop Performance Tool, Gardner Westcott, and Feuling hardware for proven strength. Explore related categories such as Harley frame and body for fenders and covers, or Harley for seats and exhaust to complete your custom build.
Top Harley Hardware
- Performance Tool Grommet Assortment W5214 – 125-piece rubber grommet kit; perfect for wiring, frame, and tank mounting protection.
- Gardner Westcott Rotor Bolt Set Cast Chrome C-61-32T – Chrome rotor bolt set for cast wheels; polished finish with Torx head for secure mounting.
- Feuling Oil Pump Corp Exhaust Stud Kit 3048 – High-strength exhaust stud kit; includes nuts and washers for leak-free header installation.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
DRAG SPECIALTIES Acorn 1/4-28 Society of Automotive Engineer (5) MBP10405
DRAG SPECIALTIES
$6.43Acorn nuts might seem like a small detail, but they're essential for a clean, professional-looking assembly—especially when exposed fasteners are part of your build's aesthetic. These chrome SAE acorn nuts provide corrosion resistance and a finished...DS190301- SKU:
- DS190301
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- MEASUREMENT SYSTEM:
- SAE
- RIDING STYLE:
- STREET
- TYPE:
- ACORN
- UNITS:
- 5 PACK
- BASE FINISH:
- CHROME
- COLOR/FINISH:
- CHROME
- DIAMETER - THREAD SIZE IMPERIAL:
- 1/4-28
- PRODUCT NAME:
- NUT
$6.43 -
DRAG SPECIALTIES Acorn Cylinder Base Set - '74 MK235
DRAG SPECIALTIES
$30.19Proper fastener specification is critical for engine reliability, especially in high-vibration environments like drag racing where loose hardware can lead to catastrophic failure. These Drag Specialties acorn cylinder base sets are engineered to OEM...DS190108- SKU:
- DS190108
- Availability:
- Ships Same Business Day
- Weight:
- 0.44 LBS
- BASE COLOR:
- SILVER
- RIDING STYLE:
- STREET
- UNITS:
- SET
- BASE FINISH:
- CHROME
- NUT TYPE:
- ACORN
- PRODUCT NAME:
- HARDWARE KIT
- APPLICATION:
- CYLINDER BASE
- TYPE:
- BOLT
- TYPE:
- NUT
$30.19 -
GARDNER-WESTCOTT Nut Flange 1/2-20 Chrome 07-44555
GARDNER-WESTCOTT
$18.20A properly secured fastener is non-negotiable in high-performance applications where vibration and thermal cycling can loosen critical connections. The GARDNER-WESTCOTT Nut Flange 1/2-20 Chrome delivers the locking reliability you need with a wide...DS190048- SKU:
- DS190048
- Availability:
- Ships Same Business Day
- Weight:
- 0.44 LBS
- MEASUREMENT SYSTEM:
- SAE
- RIDING STYLE:
- STREET
- UNITS:
- 10 PACK
- BASE COLOR:
- SILVER
- PRODUCT NAME:
- NUT
- STYLE:
- FINE THREAD
- APPLICATION:
- MULTI FUNCTIONAL
- BASE FINISH:
- CHROME
- DIAMETER - THREAD SIZE IMPERIAL:
- 1/2-20
- TYPE:
- FLANGE
$18.20 -
GARDNER-WESTCOTT Nut Flange 1/2-13 Chrome 07-44554
GARDNER-WESTCOTT
$15.50A properly secured fastener is the foundation of any reliable assembly, and this Gardner-Westcott nut flange delivers precision engineering where it matters most. The flange design distributes clamping force across a wider surface area, reducing the risk...DS190047- SKU:
- DS190047
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- BASE COLOR:
- SILVER
- STYLE:
- COARSE THREAD
- UNITS:
- 10 PACK
- APPLICATION:
- MULTI FUNCTIONAL
- BASE FINISH:
- CHROME
- MEASUREMENT SYSTEM:
- SAE
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- NUT
- DIAMETER - THREAD SIZE IMPERIAL:
- 1/2-13
- TYPE:
- FLANGE
$15.50 -
GARDNER-WESTCOTT Nut Flange 3/8-24 Chrome 07-44551
GARDNER-WESTCOTT
$9.30A properly secured fastener is the foundation of any reliable engine or drivetrain assembly. This Gardner-Westcott chrome flange nut delivers consistent clamping force and corrosion resistance in high-heat environments where standard fasteners fail...DS190043- SKU:
- DS190043
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- BASE FINISH:
- CHROME
- MEASUREMENT SYSTEM:
- SAE
- RIDING STYLE:
- STREET
- STYLE:
- FINE THREAD
- TYPE:
- FLANGE
- UNITS:
- 10 PACK
- BASE COLOR:
- SILVER
- APPLICATION:
- MULTI FUNCTIONAL
- DIAMETER - THREAD SIZE IMPERIAL:
- 3/8-24
- PRODUCT NAME:
- NUT
$9.30 -
GARDNER-WESTCOTT Nut Flange 3/8-16 Chrome 07-44550
GARDNER-WESTCOTT
$13.90A properly secured fastener is the foundation of any reliable assembly, and this Gardner-Westcott nut flange delivers the clamping force and corrosion resistance your build demands. Chrome plating ensures longevity in harsh engine bays and weather...DS190042- SKU:
- DS190042
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- BASE FINISH:
- CHROME
- MEASUREMENT SYSTEM:
- SAE
- RIDING STYLE:
- STREET
- BASE COLOR:
- SILVER
- PRODUCT NAME:
- NUT
- APPLICATION:
- MULTI FUNCTIONAL
- DIAMETER - THREAD SIZE IMPERIAL:
- 3/8-16
- STYLE:
- COARSE THREAD
- TYPE:
- FLANGE
- UNITS:
- 10 PACK
$13.90Qty in Cart: 0Quantity:Price:$13.90Subtotal: -
GARDNER-WESTCOTT Nut Flange 5/16-24 Chrome 07-44549
GARDNER-WESTCOTT
$11.00A properly secured fastener is the foundation of reliable engine assembly and fuel system integrity. This Gardner-Westcott nut flange provides the precision fit and corrosion resistance required for critical connections in high-vibration racing...DS190041- SKU:
- DS190041
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- MEASUREMENT SYSTEM:
- SAE
- RIDING STYLE:
- STREET
- APPLICATION:
- MULTI FUNCTIONAL
- BASE FINISH:
- CHROME
- DIAMETER - THREAD SIZE IMPERIAL:
- 5/16'-24
- TYPE:
- FLANGE
- UNITS:
- 10 PACK
- BASE COLOR:
- SILVER
- PRODUCT NAME:
- NUT
- STYLE:
- FINE THREAD
$11.00Qty in Cart: 0Quantity:Price:$11.00Subtotal: -
GARDNER-WESTCOTT Nut Flange 1/4-20 Chrome 07-44546
GARDNER-WESTCOTT
$15.00A properly secured fastener is the foundation of reliable assembly, and this Gardner-Westcott nut flange delivers the locking security your high-performance build demands. The flange design distributes clamping force across a wider surface area, reducing...DS190038- SKU:
- DS190038
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- BASE COLOR:
- SILVER
- PRODUCT NAME:
- NUT
- APPLICATION:
- MULTI FUNCTIONAL
- BASE FINISH:
- CHROME
- STYLE:
- COARSE THREAD
- TYPE:
- FLANGE
- UNITS:
- 10 PACK
- DIAMETER - THREAD SIZE IMPERIAL:
- 1/4-20
- MEASUREMENT SYSTEM:
- SAE
- RIDING STYLE:
- STREET
$15.00 -
DRAG SPECIALTIES 3/8 X 3/4 X 1 Chrome Spacer MPB518
DRAG SPECIALTIES
$17.23Precision wheel and brake assembly work demands exacting tolerances, and inferior spacers introduce runout and misalignment that compromise both safety and performance. Drag Specialties' chrome spacers are manufactured to exact specifications, ensuring...DS190018- SKU:
- DS190018
- Availability:
- Ships Same Business Day
- Weight:
- 0.42 LBS
- MATERIAL:
- STEEL
- TYPE:
- REPLACEMENT
- FOR BOLT SIZE:
- 3/8'
- LENGTH IMPERIAL:
- 1'
- UNITS:
- 5 PACK
- BASE FINISH:
- CHROME
- MEASUREMENT SYSTEM:
- SAE
- OUTSIDE DIAMETER IMPERIAL:
- 0.75'
- PRODUCT NAME:
- SPACER
- RIDING STYLE:
- STREET
- APPLICATION:
- MULTI FUNCTIONAL
- BASE COLOR:
- SILVER
- STYLE:
- SMOOTH
$17.23 -
DRAG SPECIALTIES 3/8 X 3/4 X 1/2 Chrome Spacer MPB516
DRAG SPECIALTIES
$15.07When wheel fitment is critical, precision spacers are non-negotiable. The DRAG SPECIALTIES 3/8 X 3/4 X 1/2 Chrome Spacer (MPB516) maintains exact hub-to-wheel clearance while preventing brake rub and ensuring proper brake cooling airflow. Whether you're...DS190016- SKU:
- DS190016
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPACER
- TYPE:
- REPLACEMENT
- BASE COLOR:
- SILVER
- FOR BOLT SIZE:
- 3/8'
- LENGTH IMPERIAL:
- 1/2'
- APPLICATION:
- MULTI FUNCTIONAL
- BASE FINISH:
- CHROME
- MEASUREMENT SYSTEM:
- SAE
- OUTSIDE DIAMETER IMPERIAL:
- 0.75'
- RIDING STYLE:
- STREET
- STYLE:
- SMOOTH
- UNITS:
- 5 PACK
$15.07 -
DRAG SPECIALTIES 3/8 X 3/4 X 3/8 Chrome Spacer MPB515
DRAG SPECIALTIES
$11.83Precision wheel spacers are critical for achieving proper brake clearance, correcting offset issues, and maintaining perfect hub geometry on high-performance applications. The Drag Specialties 3/8 X 3/4 X 3/8 Chrome Spacer is a direct replacement...DS190015- SKU:
- DS190015
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPACER
- APPLICATION:
- MULTI FUNCTIONAL
- BASE FINISH:
- CHROME
- LENGTH IMPERIAL:
- 3/8'
- OUTSIDE DIAMETER IMPERIAL:
- 0.75'
- BASE COLOR:
- SILVER
- TYPE:
- REPLACEMENT
- FOR BOLT SIZE:
- 3/8'
- MEASUREMENT SYSTEM:
- SAE
- RIDING STYLE:
- STREET
- STYLE:
- SMOOTH
- UNITS:
- 5 PACK
$11.83 -
DRAG SPECIALTIES 3/8 X 3/4 X 1/4 Chrome Spacer MPB514
DRAG SPECIALTIES
$10.75Precision spacing is critical when building or rebuilding brake and drivetrain systems—misalignment leads to binding, premature wear, and safety compromises. The Drag Specialties 3/8 x 3/4 x 1/4 Chrome Spacer is engineered to exacting tolerances,...DS190014- SKU:
- DS190014
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- SPACER
- BASE COLOR:
- SILVER
- TYPE:
- REPLACEMENT
- APPLICATION:
- MULTI FUNCTIONAL
- LENGTH IMPERIAL:
- 1/4'
- MATERIAL:
- STEEL
- BASE FINISH:
- CHROME
- FOR BOLT SIZE:
- 3/8'
- MEASUREMENT SYSTEM:
- SAE
- OUTSIDE DIAMETER IMPERIAL:
- 0.75'
- RIDING STYLE:
- STREET
- STYLE:
- SMOOTH
- UNITS:
- 5 PACK
$10.75 -
DRAG SPECIALTIES 3/8 X 3/4 X 1/8 Chrome Spacer MPB513
DRAG SPECIALTIES
$9.67Precision spacing is critical when assembling high-performance drivetrain components, and undersized or worn spacers compromise alignment and introduce play that degrades shifting performance and bearing longevity. The DRAG SPECIALTIES 3/8 X 3/4 X 1/8...DS190013- SKU:
- DS190013
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- APPLICATION:
- MULTI FUNCTIONAL
- PRODUCT NAME:
- SPACER
- LENGTH IMPERIAL:
- 1/8'
- MATERIAL:
- STEEL
- STYLE:
- SMOOTH
- BASE COLOR:
- SILVER
- TYPE:
- REPLACEMENT
- BASE FINISH:
- CHROME
- FOR BOLT SIZE:
- 3/8'
- MEASUREMENT SYSTEM:
- SAE
- OUTSIDE DIAMETER IMPERIAL:
- 0.75'
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
$9.67 -
DRAG SPECIALTIES 5/16 X 5/8 X 1 Chrome Spacer MPB512
DRAG SPECIALTIES
$16.15Precision spacers are fundamental to maintaining accurate bolt spacing and alignment in high-performance applications. Whether you're rebuilding a transmission assembly, adjusting brake component geometry, or fine-tuning suspension geometry, OEM-spec...DS190012- SKU:
- DS190012
- Availability:
- Ships Same Business Day
- Weight:
- 0.28 LBS
- APPLICATION:
- MULTI FUNCTIONAL
- BASE COLOR:
- SILVER
- PRODUCT NAME:
- SPACER
- RIDING STYLE:
- STREET
- TYPE:
- REPLACEMENT
- LENGTH IMPERIAL:
- 1'
- MATERIAL:
- STEEL
- STYLE:
- SMOOTH
- UNITS:
- 5 PACK
- BASE FINISH:
- CHROME
- FOR BOLT SIZE:
- 5/16'
- MEASUREMENT SYSTEM:
- SAE
- OUTSIDE DIAMETER IMPERIAL:
- 0.65'
$16.15 -
DRAG SPECIALTIES 5/16 X 5/8 X 3/4 Chrome Spacer MPB511
DRAG SPECIALTIES
$15.07Precision spacers are critical for maintaining proper wheel alignment, brake geometry, and suspension geometry in high-performance applications. The Drag Specialties 5/16 X 5/8 X 3/4 Chrome Spacer is engineered to exact tolerances, ensuring repeatability...DS190011- SKU:
- DS190011
- Availability:
- Ships Same Business Day
- Weight:
- 0.22 LBS
- APPLICATION:
- MULTI FUNCTIONAL
- BASE COLOR:
- SILVER
- LENGTH IMPERIAL:
- 3/4'
- MATERIAL:
- STEEL
- STYLE:
- SMOOTH
- UNITS:
- 5 PACK
- MEASUREMENT SYSTEM:
- SAE
- PRODUCT NAME:
- SPACER
- RIDING STYLE:
- STREET
- BASE FINISH:
- CHROME
- FOR BOLT SIZE:
- 5/16'
- OUTSIDE DIAMETER IMPERIAL:
- 0.65'
- TYPE:
- REPLACEMENT
$15.07 -
DRAG SPECIALTIES 5/16 X 5/8 X 1/2 Chrome Spacer MPB510
DRAG SPECIALTIES
$13.99Precision wheel and brake assembly work demands components you can trust to maintain exact tolerances and structural integrity. The Drag Specialties 5/16 X 5/8 X 1/2 Chrome Spacer is a critical fastener solution for professional and dedicated builds...DS190010- SKU:
- DS190010
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- APPLICATION:
- MULTI FUNCTIONAL
- BASE COLOR:
- SILVER
- MEASUREMENT SYSTEM:
- SAE
- PRODUCT NAME:
- SPACER
- RIDING STYLE:
- STREET
- MATERIAL:
- STEEL
- STYLE:
- SMOOTH
- UNITS:
- 5 PACK
- BASE FINISH:
- CHROME
- FOR BOLT SIZE:
- 5/16'
- LENGTH IMPERIAL:
- 1/2'
- OUTSIDE DIAMETER IMPERIAL:
- 0.65'
- TYPE:
- REPLACEMENT
$13.99 -
DRAG SPECIALTIES 5/16 X 5/8 X 3/8 Chrome Spacer MPB509
DRAG SPECIALTIES
$10.75Proper wheel spacing is critical to suspension geometry, brake clearance, and overall handling characteristics on a race vehicle. These OEM-spec chrome spacers maintain precise fitment tolerances while resisting corrosion in high-moisture environments...DS190009- SKU:
- DS190009
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- BASE FINISH:
- CHROME
- FOR BOLT SIZE:
- 5/16'
- MEASUREMENT SYSTEM:
- SAE
- OUTSIDE DIAMETER IMPERIAL:
- 0.65'
- RIDING STYLE:
- STREET
- TYPE:
- REPLACEMENT
- LENGTH IMPERIAL:
- 3/8'
- MATERIAL:
- STEEL
- STYLE:
- SMOOTH
- UNITS:
- 5 PACK
- APPLICATION:
- MULTI FUNCTIONAL
- BASE COLOR:
- SILVER
- PRODUCT NAME:
- SPACER
$10.75 -
DRAG SPECIALTIES 5/16 X 5/8 X 1/4 Chrome Spacer MPB508
DRAG SPECIALTIES
$9.67Precision spacers are critical for maintaining accurate wheel alignment, brake caliper positioning, and suspension geometry in high-performance applications. The Drag Specialties 5/16 X 5/8 X 1/4 Chrome Spacer ensures repeatable fitment and eliminates...DS190008- SKU:
- DS190008
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- BASE FINISH:
- CHROME
- FOR BOLT SIZE:
- 5/16'
- MEASUREMENT SYSTEM:
- SAE
- OUTSIDE DIAMETER IMPERIAL:
- 0.65'
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
- LENGTH IMPERIAL:
- 1/4'
- MATERIAL:
- STEEL
- STYLE:
- SMOOTH
- BASE COLOR:
- SILVER
- TYPE:
- REPLACEMENT
- APPLICATION:
- MULTI FUNCTIONAL
- PRODUCT NAME:
- SPACER
$9.67 -
DRAG SPECIALTIES 5/16 X 5/8 X 1/8 Chrome Spacer MPB507
DRAG SPECIALTIES
$9.67Precision spacers are essential for maintaining accurate wheel alignment and brake clearance in high-performance applications. These chrome-plated 5/16" spacers prevent brake rub and ensure consistent geometry across your drivetrain, whether you're...DS190007- SKU:
- DS190007
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MEASUREMENT SYSTEM:
- SAE
- RIDING STYLE:
- STREET
- STYLE:
- SMOOTH
- UNITS:
- 5 PACK
- BASE COLOR:
- SILVER
- FOR BOLT SIZE:
- 5/16'
- OUTSIDE DIAMETER IMPERIAL:
- 0.65'
- TYPE:
- REPLACEMENT
- APPLICATION:
- MULTI FUNCTIONAL
- BASE FINISH:
- CHROME
- LENGTH IMPERIAL:
- 1/8'
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPACER
$9.67 -
DRAG SPECIALTIES 1/4 X 5/8 X 1 Chrome Spacer MPB506
DRAG SPECIALTIES
$16.15When you're dialing in suspension geometry or spacing brake components, precision matters—and cheap spacers won't cut it. The Drag Specialties 1/4 X 5/8 X 1 Chrome Spacer delivers exact tolerances and corrosion resistance you need for consistent...DS190006- SKU:
- DS190006
- Availability:
- Ships Same Business Day
- Weight:
- 0.34 LBS
- BASE COLOR:
- SILVER
- RIDING STYLE:
- STREET
- STYLE:
- SMOOTH
- UNITS:
- 5 PACK
- APPLICATION:
- MULTI FUNCTIONAL
- BASE FINISH:
- CHROME
- MEASUREMENT SYSTEM:
- SAE
- PRODUCT NAME:
- SPACER
- FOR BOLT SIZE:
- 1/4'
- LENGTH IMPERIAL:
- 1'
- OUTSIDE DIAMETER IMPERIAL:
- 0.65'
- MATERIAL:
- STEEL
- TYPE:
- REPLACEMENT
$16.15
