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 maintain consistent hub-to-rotor clearance and proper...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 rebuilding suspension components, preventing binding and...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 applications, eliminating guesswork during assembly...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 designed for builders and mechanics who need reliable,...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 proper suspension geometry and brake caliper positioning,...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, adjusting shock mounts, or correcting ride height,...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 -
COLONY 12 Point Lift Block 76-99 Big Twin 8708-8
COLONY
$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 load evenly across your engine case, eliminating the...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
$18.95 -
COLONY Acorn Cam Cover - '66-'69 Big Twin 7129-12
COLONY
$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 precision-manufactured acorn bolts and nuts are engineered...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
$35.95Qty in Cart: 0Quantity:Price:$35.95Subtotal: -
COLONY Acorn Generator Bolts - '58-'69 Big Twin 7113-2
COLONY
$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. These U.S.A.-made sets restore proper clamping force and...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
$12.95 -
COLONY Transmission Sprocket Nut 36-86 8408-1
COLONY
$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 under hard acceleration and engine braking,...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
$15.95 -
COLONY Acorn Cylinder Base - '57-'84 XL 7018-16
COLONY
$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 specification for '57-'84 XL models, eliminating guesswork...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
$19.95 -
COLONY Acorn Cylinder Base - '78-'84 Big Twin 7813-8
COLONY
$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 Base bolt and nut sets are engineered to OEM...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
$28.95 -
COLONY Cylinder Base XLR Type 57-84 XL 7623-8
COLONY
$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 ensures proper cylinder sealing and alignment, critical for...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
$35.95 -
COLONY Cylinder Base B Bore 36-84 Big Twin 8600-8
COLONY
$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 sealing, reduces leakage, and maintains consistent...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
$35.95 -
COLONY Cylinder Base Cap Nut - '36-'77 Big Twin 8437-16
COLONY
$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 OEM-correct fitment with the durability and finish...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
$21.95Qty in Cart: 0Quantity:Price:$21.95Subtotal: -
COLONY Cylinder Base Nut Stock 36-77 BT 8104-16
COLONY
$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 leaks or catastrophic engine failure. This COLONY chrome...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
$22.95 -
COLONY Cylinder Base Nut Stock 57-84 XL 8106-16
COLONY
$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 OEM-specification cylinder base nut sets ensure consistent...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
$19.95 -
COLONY Rocker Box Cap - '66-'84 Big Twin 8449-22
COLONY
$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 the reliability your classic Harley demands. Replace...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
$56.95 -
COLONY Rocker Box Nut Chrome 66-84 Big Twin 8608-36
COLONY
$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 delivers corrosion resistance and reliable clamping force...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
$17.95 -
COLONY Motor Sprocket Nut 30-54 Big Twin 7101-1
COLONY
$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, whether you're running stock power or forced induction...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
$13.95
