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 1/4 X 5/8 X 3/4 Chrome Spacer MPB505
DRAG SPECIALTIES
$15.07Precision wheel alignment and suspension geometry depend on exact spacing tolerances—this is where quality spacers become critical. The Drag Specialties 1/4 X 5/8 X 3/4 Chrome Spacer is engineered to...DS190005- SKU:
- DS190005
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- APPLICATION:
- MULTI FUNCTIONAL
- BASE COLOR:
- SILVER
- LENGTH IMPERIAL:
- 3/4'
- STYLE:
- SMOOTH
- FOR BOLT SIZE:
- 1/4'
- OUTSIDE DIAMETER IMPERIAL:
- 0.65'
- UNITS:
- 5 PACK
- BASE FINISH:
- CHROME
- MEASUREMENT SYSTEM:
- SAE
- PRODUCT NAME:
- SPACER
- RIDING STYLE:
- STREET
- MATERIAL:
- STEEL
- TYPE:
- REPLACEMENT
$15.07 -
DRAG SPECIALTIES 1/4 X 5/8 X 1/2 Chrome Spacer MPB504
DRAG SPECIALTIES
$13.99Proper wheel spacing and alignment are critical for suspension geometry, brake clearance, and overall handling precision. These chrome spacers ensure exact fitment tolerances when assembling or...DS190004- SKU:
- DS190004
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- APPLICATION:
- MULTI FUNCTIONAL
- BASE COLOR:
- SILVER
- BASE FINISH:
- CHROME
- MEASUREMENT SYSTEM:
- SAE
- PRODUCT NAME:
- SPACER
- RIDING STYLE:
- STREET
- FOR BOLT SIZE:
- 1/4'
- LENGTH IMPERIAL:
- 1/2'
- OUTSIDE DIAMETER IMPERIAL:
- 0.65'
- STYLE:
- SMOOTH
- UNITS:
- 5 PACK
- MATERIAL:
- STEEL
- TYPE:
- REPLACEMENT
$13.99 -
DRAG SPECIALTIES 1/4 X 5/8 X 3/8 Chrome Spacer MPB503
DRAG SPECIALTIES
$10.75Precision spacers are critical for maintaining exact wheel offsets and brake caliper clearance in high-performance builds. These OEM-quality chrome spacers ensure consistent fitment across multiple...DS190003- SKU:
- DS190003
- Availability:
- Ships Same Business Day
- Weight:
- 0.12 LBS
- APPLICATION:
- MULTI FUNCTIONAL
- BASE COLOR:
- SILVER
- FOR BOLT SIZE:
- 1/4'
- MATERIAL:
- STEEL
- STYLE:
- SMOOTH
- UNITS:
- 5 PACK
- MEASUREMENT SYSTEM:
- SAE
- PRODUCT NAME:
- SPACER
- RIDING STYLE:
- STREET
- BASE FINISH:
- CHROME
- LENGTH IMPERIAL:
- 3/8'
- OUTSIDE DIAMETER IMPERIAL:
- 0.65'
- TYPE:
- REPLACEMENT
$10.75 -
DRAG SPECIALTIES 1/4 X 5/8 X 1/4 Chrome Spacer MPB502
DRAG SPECIALTIES
$9.67Proper wheel alignment and suspension geometry depend on precision spacers that maintain exact tolerances between components. The DRAG SPECIALTIES 1/4 X 5/8 X 1/4 Chrome Spacer is a replacement pack...DS190002- SKU:
- DS190002
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- APPLICATION:
- MULTI FUNCTIONAL
- FOR BOLT SIZE:
- 1/4'
- PRODUCT NAME:
- SPACER
- BASE COLOR:
- SILVER
- RIDING STYLE:
- STREET
- TYPE:
- REPLACEMENT
- LENGTH IMPERIAL:
- 1/4'
- MATERIAL:
- STEEL
- STYLE:
- SMOOTH
- UNITS:
- 5 PACK
- BASE FINISH:
- CHROME
- MEASUREMENT SYSTEM:
- SAE
- OUTSIDE DIAMETER IMPERIAL:
- 0.65'
$9.67 -
DRAG SPECIALTIES 1/4 X 5/8 X 1/8 Chrome Spacer MPB501
DRAG SPECIALTIES
$9.67Precision wheel and brake assembly alignment demands components that maintain exact tolerances under racing conditions. These chrome spacers provide the reliable standoff clearance necessary for...DS190001- SKU:
- DS190001
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- APPLICATION:
- MULTI FUNCTIONAL
- FOR BOLT SIZE:
- 1/4'
- PRODUCT NAME:
- SPACER
- LENGTH IMPERIAL:
- 1/8'
- MATERIAL:
- STEEL
- STYLE:
- SMOOTH
- BASE COLOR:
- SILVER
- TYPE:
- REPLACEMENT
- BASE FINISH:
- CHROME
- MEASUREMENT SYSTEM:
- SAE
- OUTSIDE DIAMETER IMPERIAL:
- 0.65'
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
$9.67 -
DRAG SPECIALTIES Assorted Chrome Spacers MK273
DRAG SPECIALTIES
$319.63Spacer assortments are essential for dial-in work, suspension geometry adjustments, and alignment tasks where precision spacing is non-negotiable. Whether you're fine-tuning brake caliper clearance,...DS190000- SKU:
- DS190000
- Availability:
- Ships Same Business Day
- Weight:
- 5.50 LBS
- COMPARTMENTS:
- 24
- FOR BOLT SIZE:
- 1/4'
- PRODUCT NAME:
- SPACER
- BASE COLOR:
- SILVER
- FOR BOLT SIZE:
- 5/16'
- TYPE:
- ASSORTMENT
- APPLICATION:
- MULTI FUNCTIONAL
- MATERIAL:
- STEEL
- UNITS:
- KIT
- BASE FINISH:
- CHROME
- FOR BOLT SIZE:
- 3/8'
- MEASUREMENT SYSTEM:
- SAE
- RIDING STYLE:
- STREET
- STYLE:
- SMOOTH
$319.63 -
On Sale
COLONY 12 Point Lift Block 76-99 Big Twin 8708-8
COLONY
MSRP: $18.95Now: $17.06Was: $18.95Proper engine lift points are critical for safe, damage-free maintenance and engine work on your Big Twin. The Colony 12 Point Lift Block provides secure, multiple engagement points that distribute...DS189998- SKU:
- DS189998
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- BASE COLOR:
- SILVER
- DIAMETER - THREAD SIZE IMPERIAL:
- 1/4-20
- APPLICATION:
- LIFTER BLOCK
- BASE FINISH:
- CHROME
- HEAD TYPE:
- 12-POINT FLANGE
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SCREW
- UNITS:
- SET
MSRP: $18.95Now: $17.06Was: $18.95 -
On Sale
COLONY Acorn Cam Cover - '66-'69 Big Twin 7129-12
COLONY
MSRP: $35.95Now: $32.36Was: $35.95Your classic Big Twin deserves hardware that matches its pedigree. The COLONY Acorn Cam Cover bolt set restores authentic appearance while providing the secure fastening your engine needs. These...DS189996- SKU:
- DS189996
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- BASE COLOR:
- SILVER
- NUT TYPE:
- ACORN
- PRODUCT NAME:
- HARDWARE KIT
- TYPE:
- NUT
- APPLICATION:
- CAM COVER
- RIDING STYLE:
- STREET
- BASE FINISH:
- CHROME
- TYPE:
- BOLT
- UNITS:
- KIT
MSRP: $35.95Now: $32.36Was: $35.95Qty in Cart: 0Quantity:Price:MSRP: $35.95Now: $32.36Was: $35.95Subtotal: -
On Sale
COLONY Acorn Generator Bolts - '58-'69 Big Twin 7113-2
COLONY
MSRP: $12.95Now: $11.66Was: $12.95Generator bolt failures can leave you stranded or force unnecessary engine tear-downs. COLONY Acorn Generator Bolts deliver OEM-quality fastening with the reliability your classic Big Twin demands...DS189981- SKU:
- DS189981
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- BASE COLOR:
- SILVER
- NUT TYPE:
- ACORN
- PRODUCT NAME:
- HARDWARE KIT
- TYPE:
- NUT
- RIDING STYLE:
- STREET
- APPLICATION:
- GENERATOR
- BASE FINISH:
- CHROME
- TYPE:
- BOLT
- UNITS:
- KIT
MSRP: $12.95Now: $11.66Was: $12.95 -
On Sale
COLONY Transmission Sprocket Nut 36-86 8408-1
COLONY
MSRP: $15.95Now: $14.36Was: $15.95A secure transmission sprocket nut is non-negotiable for reliable power delivery and safety at the track or strip. The COLONY 8408-1 is engineered with left-hand threads to prevent unwanted loosening...DS189975- SKU:
- DS189975
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- APPLICATION:
- TRANSMISSION
- BASE FINISH:
- RAW
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- NUT TYPE:
- LOCK
- PRODUCT NAME:
- NUT
- BASE COLOR:
- SILVER
- MEASUREMENT SYSTEM:
- SAE
MSRP: $15.95Now: $14.36Was: $15.95 -
On Sale
COLONY Acorn Cylinder Base - '57-'84 XL 7018-16
COLONY
MSRP: $19.95Now: $17.96Was: $19.95The COLONY Acorn Cylinder Base fastener set delivers the precision hardware your classic Harley needs for a leak-free, secure cylinder installation. These acorn bolts and nuts are engineered to...DS189968- SKU:
- DS189968
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- APPLICATION:
- CYLINDER BASE
- TYPE:
- BOLT
- UNITS:
- KIT
- TYPE:
- NUT
- BASE FINISH:
- CHROME
- PRODUCT NAME:
- HARDWARE KIT
- RIDING STYLE:
- STREET
- BASE COLOR:
- SILVER
- NUT TYPE:
- ACORN
MSRP: $19.95Now: $17.96Was: $19.95 -
On Sale
COLONY Acorn Cylinder Base - '78-'84 Big Twin 7813-8
COLONY
MSRP: $28.95Now: $26.06Was: $28.95Proper fastening is non-negotiable when it comes to cylinder base integrity on your Big Twin—factory hardware simply doesn't cut it for high-performance or rebuilt engines. The COLONY Acorn Cylinder...DS189967- SKU:
- DS189967
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- APPLICATION:
- CYLINDER BASE
- BASE FINISH:
- CHROME
- PRODUCT NAME:
- HARDWARE KIT
- RIDING STYLE:
- STREET
- TYPE:
- BOLT
- UNITS:
- KIT
- TYPE:
- NUT
- BASE COLOR:
- SILVER
- NUT TYPE:
- ACORN
MSRP: $28.95Now: $26.06Was: $28.95 -
On Sale
COLONY Cylinder Base XLR Type 57-84 XL 7623-8
COLONY
MSRP: $35.95Now: $32.36Was: $35.95The COLONY Cylinder Base XLR Type 57-84 XL delivers the precision engineering required for reliable big-twin performance in classic Harley-Davidson applications. This U.S.-manufactured component...DS189966- SKU:
- DS189966
- Availability:
- Ships Same Business Day
- Weight:
- 0.44 LBS
- APPLICATION:
- CYLINDER BASE
- BASE FINISH:
- CHROME
- DIAMETER - THREAD SIZE IMPERIAL:
- 3/8-24
- PRODUCT NAME:
- NUT
- STYLE:
- HIGH TORQUE
- MEASUREMENT SYSTEM:
- SAE
- RIDING STYLE:
- STREET
- BASE COLOR:
- SILVER
- UNITS:
- SET
MSRP: $35.95Now: $32.36Was: $35.95 -
On Sale
COLONY Cylinder Base B Bore 36-84 Big Twin 8600-8
COLONY
MSRP: $35.95Now: $32.36Was: $35.95A properly sized cylinder base is fundamental to engine reliability and performance in Big Twin applications. The COLONY Cylinder Base B Bore delivers precision engineering that ensures proper...DS189965- SKU:
- DS189965
- Availability:
- Ships Same Business Day
- Weight:
- 0.44 LBS
- APPLICATION:
- CYLINDER BASE
- BASE FINISH:
- CHROME
- DIAMETER - THREAD SIZE IMPERIAL:
- 7/16-20
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- NUT
- STYLE:
- HIGH TORQUE
- BASE COLOR:
- SILVER
- MEASUREMENT SYSTEM:
- SAE
- UNITS:
- SET
MSRP: $35.95Now: $32.36Was: $35.95 -
On Sale
COLONY Cylinder Base Cap Nut - '36-'77 Big Twin 8437-16
COLONY
MSRP: $21.95Now: $19.76Was: $21.95Proper fastener spec is critical on big twin engines—using undersized or incorrect hardware invites oil leaks, stripped threads, and catastrophic failure. The COLONY Cylinder Base Cap Nut delivers...DS189964- SKU:
- DS189964
- Availability:
- Ships Same Business Day
- Weight:
- 0.38 LBS
- HEAD TYPE:
- HEX
- TYPE:
- NUT
- BASE COLOR:
- SILVER
- PRODUCT NAME:
- CAP
- APPLICATION:
- CYLINDER BASE
- UNITS:
- KIT
- BASE FINISH:
- CHROME
- RIDING STYLE:
- STREET
MSRP: $21.95Now: $19.76Was: $21.95Qty in Cart: 0Quantity:Price:MSRP: $21.95Now: $19.76Was: $21.95Subtotal: -
On Sale
COLONY Cylinder Base Nut Stock 36-77 BT 8104-16
COLONY
MSRP: $22.95Now: $20.66Was: $22.95The cylinder base nut is a critical fastening point that directly impacts engine seal integrity and reliability. Using OEM-equivalent hardware ensures proper clamping force and prevents costly air...DS189961- SKU:
- DS189961
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- APPLICATION:
- CYLINDER BASE
- BASE FINISH:
- CHROME
- PRODUCT NAME:
- HARDWARE KIT
- UNITS:
- KIT
- RIDING STYLE:
- STREET
MSRP: $22.95Now: $20.66Was: $22.95 -
On Sale
COLONY Cylinder Base Nut Stock 57-84 XL 8106-16
COLONY
MSRP: $19.95Now: $17.96Was: $19.95A properly secured cylinder base is non-negotiable for engine reliability, especially on vintage Harley-Davidson XL models where vibration and heat cycles can loosen inferior fasteners. COLONY's...DS189960- SKU:
- DS189960
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- BASE FINISH:
- CHROME
- PRODUCT NAME:
- HARDWARE KIT
- RIDING STYLE:
- STREET
- APPLICATION:
- CYLINDER BASE
- UNITS:
- KIT
MSRP: $19.95Now: $17.96Was: $19.95 -
On Sale
COLONY Rocker Box Cap - '66-'84 Big Twin 8449-22
COLONY
MSRP: $56.95Now: $51.26Was: $56.95Properly secured rocker box caps are essential for maintaining oil containment and preventing leaks on vintage Big Twin engines. This COLONY cap nut and bolt set delivers OEM-quality fastening with...DS189951- SKU:
- DS189951
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- PRODUCT NAME:
- CAP
- UNITS:
- KIT
- HEAD TYPE:
- HEX
- TYPE:
- NUT
- BASE FINISH:
- CHROME
- RIDING STYLE:
- STREET
- APPLICATION:
- ROCKER BOX
- BASE COLOR:
- SILVER
MSRP: $56.95Now: $51.26Was: $56.95 -
On Sale
COLONY Rocker Box Nut Chrome 66-84 Big Twin 8608-36
COLONY
MSRP: $17.95Now: $16.16Was: $17.95Rocker box fasteners endure constant thermal cycling and vibration in Big Twin engines, making OEM hardware prone to loosening and corrosion over time. COLONY's chrome-plated nut and bolt set...DS189950- SKU:
- DS189950
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- APPLICATION:
- ROCKER BOX
- PRODUCT NAME:
- HARDWARE KIT
- RIDING STYLE:
- STREET
- BASE FINISH:
- CHROME
- UNITS:
- KIT
MSRP: $17.95Now: $16.16Was: $17.95 -
On Sale
COLONY Motor Sprocket Nut 30-54 Big Twin 7101-1
COLONY
MSRP: $13.95Now: $12.56Was: $13.95A properly secured motor sprocket is non-negotiable for Big Twin reliability and performance. The COLONY Motor Sprocket Nut 7101-1 delivers the clamping force and durability your drivetrain demands,...DS189865- SKU:
- DS189865
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- BASE COLOR:
- SILVER
- MEASUREMENT SYSTEM:
- SAE
- BASE FINISH:
- RAW
- RIDING STYLE:
- STREET
- APPLICATION:
- MOTOR SPROCKET
- PRODUCT NAME:
- NUT
- STYLE:
- OEM STYLE
- UNITS:
- EACH
MSRP: $13.95Now: $12.56Was: $13.95