Harley Carburetor Rebuild Kits
Harley-Davidson Carburetor Rebuild Kits at JJ Motorsports
Restore crisp throttle response on your Harley with premium carburetor rebuild kits from JJ Motorsports, featuring high-quality jets, needles, gaskets, and seals for Mikuni HSR 42/45, S&S Super B, and classic CV carbs on Sportster, Big Twin, and Evo models. These complete kits make carb refresh fast and reliable.
Shop Mikuni, Drag Specialties, and S&S Cycle rebuild kits for proven performance. Explore related categories such as Harley air and fuel for jets and air cleaners, or Harley for exhaust and cams to complete your tuning and ride with perfect carburetion.
Top Harley-Davidson Carburetor Rebuild Kits
- Mikuni HSR Series 42/45 Carburetor Rebuild Kit KHS-016 – Full kit for Mikuni HSR42/45 carbs; includes all seals, jets, and needle for total refresh.
- Drag Specialties Carburetor Rebuild Kit 42 Mikuni I03102-0704 – Complete rebuild for 42mm Mikuni HSR; high-quality parts for Evo and Twin Cam Harleys.
- S&S Cycle Super B Carburetor Rebuild Kit 11-2903 – Rebuild kit for S&S Super B carb; restores performance on classic Big Twins.
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
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On Sale
S&S CYCLE Float Bowl Plug 11-2092
S&S CYCLE
MSRP: $53.95Now: $48.56Was: $53.95Made in the U.S.A.10030041- SKU:
- 10030041
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
- PRODUCT NAME:
- PLUG
- TYPE:
- FLOAT BOWL
MSRP: $53.95Now: $48.56Was: $53.95 -
On Sale
S&S CYCLE Bellows Acceleration Pump Seal 11-2279
S&S CYCLE
MSRP: $24.95Now: $22.46Was: $24.95Replacement gaskets, O-rings and components are made from the highest-quality materials available, Rebuild kits are available in master kits, body-only kits and accelerator pump kits, Made in the U.S.A.10030043- SKU:
- 10030043
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
- BASE COLOR:
- BLACK
- PRODUCT NAME:
- BELLOWS SEAL
- COLOR/FINISH:
- BLACK
- TYPE:
- ACCELERATOR PUMP
- MATERIAL:
- RUBBER
MSRP: $24.95Now: $22.46Was: $24.95 -
On Sale
S&S CYCLE Acceleration Pump Diaphragm Spring 11-2278
S&S CYCLE
MSRP: $15.95Now: $14.36Was: $15.95Made in the U.S.A.10030044- SKU:
- 10030044
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- MODEL:
- SUPER E
- PRODUCT NAME:
- DIAPHRAGM SPRING
- MODEL:
- SUPER G
- TYPE:
- ACCELERATOR PUMP
- UNITS:
- 10 PACK
- RIDING STYLE:
- STREET
MSRP: $15.95Now: $14.36Was: $15.95 -
On Sale
S&S CYCLE Basic E/G Carburetor Rebuild Kit 110-0067
S&S CYCLE
MSRP: $61.95Now: $55.76Was: $61.95Made in the U.S.A.10030312- SKU:
- 10030312
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- REPAIR KIT
- MODEL:
- SUPER E
- UNITS:
- KIT
- MODEL:
- SUPER G
- TYPE:
- CARBURETOR
MSRP: $61.95Now: $55.76Was: $61.95Qty in Cart: 0Quantity:Price:MSRP: $61.95Now: $55.76Was: $61.95Subtotal: -
On Sale
S&S CYCLE Super E Master Rebuild Kit 11-2923
S&S CYCLE
MSRP: $112.95Now: $101.66Was: $112.95Contains a body rebuild kit, accelerator pump rebuild kit, all new fasteners, springs, idle mixture screw, seat and needle assembly112923- SKU:
- 112923
- Availability:
- Ships Same Business Day
- Weight:
- 0.34 LBS
- PRODUCT NAME:
- REPAIR KIT
- MODEL:
- SUPER E
- TYPE:
- CARBURETOR
- UNITS:
- KIT
- RIDING STYLE:
- STREET
MSRP: $112.95Now: $101.66Was: $112.95Qty in Cart: 0Quantity:Price:MSRP: $112.95Now: $101.66Was: $112.95Subtotal: -
DRAG SPECIALTIES Carburetor Rebuild Kit - '76-'78 27006-76A-PBLB1
DRAG SPECIALTIES
$20.75Kit includes the parts necessary for rebuilding Keihin carbs, Feature Viton® (not neoprene) needlesDS289099- SKU:
- DS289099
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- PRODUCT NAME:
- REPAIR KIT
- RIDING STYLE:
- STREET
- TYPE:
- CARBURETOR
- UNITS:
- EACH
$20.75Qty in Cart: 0Quantity:Price:$20.75Subtotal: -
DRAG SPECIALTIES Carburetor Rebuild Kit - '88-'06 CV 03-0024
DRAG SPECIALTIES
$29.07Kits include all necessary parts to rebuild a butterfly-style or CV-style Keihin carb10030292- SKU:
- 10030292
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- TYPE:
- CARBURETOR
- UNITS:
- KIT
- MODEL:
- FOR CV CARBURETORS
- PRODUCT NAME:
- REPAIR KIT
- RIDING STYLE:
- STREET
$29.07Qty in Cart: 0Quantity:Price:$29.07Subtotal: -
On Sale
S&S CYCLE Super E/G Carburetor Float 11-2187
S&S CYCLE
MSRP: $28.95Now: $26.06Was: $28.95Carb float for Super B, E & G gas carbs, Made in the U.S.A.10030353- SKU:
- 10030353
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- MODEL:
- SUPER E
- PRODUCT NAME:
- FLOAT
- TYPE:
- WIRE
- UNITS:
- EACH
- MODEL:
- SUPER B
- MODEL:
- SUPER G
- RIDING STYLE:
- STREET
MSRP: $28.95Now: $26.06Was: $28.95Qty in Cart: 0Quantity:Price:MSRP: $28.95Now: $26.06Was: $28.95Subtotal: -
On Sale
S&S CYCLE Needle Super E/Super G Race 11-2197
S&S CYCLE
MSRP: $81.95Now: $73.76Was: $81.95Sold each10030464- SKU:
- 10030464
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- TYPE:
- INLET
- UNITS:
- EACH
- PRODUCT NAME:
- NEEDLE
- RIDING STYLE:
- STREET
MSRP: $81.95Now: $73.76Was: $81.95 -
On Sale
S&S CYCLE Inlet Carburetor Fuel Swivel 106-2011
S&S CYCLE
MSRP: $40.95Now: $36.86Was: $40.95Replacement gaskets, O-rings and components are made from the highest-quality materials available, Rebuild kits are available in master kits, body-only kits and accelerator pump kits, Made in the U.S.A.10030237- SKU:
- 10030237
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- SWIVEL FUEL INLET
- MODEL:
- SUPER E
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- MODEL:
- SUPER G
- TYPE:
- CARBURETOR
MSRP: $40.95Now: $36.86Was: $40.95Qty in Cart: 0Quantity:Price:MSRP: $40.95Now: $36.86Was: $40.95Subtotal: -
On Sale
S&S CYCLE Super B/D Carburetor Bowl Gasket 11-2091
S&S CYCLE
MSRP: $28.95Now: $26.06Was: $28.95Replacement gaskets, O-rings and components are made from the highest-quality materials available, Rebuild kits are available in master kits, body-only kits and accelerator pump kits, Made in the U.S.A.112091- SKU:
- 112091
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- STREET
- MODEL:
- SUPER D
- PRODUCT NAME:
- GASKET
- UNITS:
- 10 PACK
- MODEL:
- SUPER B
- TYPE:
- FLOAT BOWL
MSRP: $28.95Now: $26.06Was: $28.95Qty in Cart: 0Quantity:Price:MSRP: $28.95Now: $26.06Was: $28.95Subtotal: -
On Sale
S&S CYCLE E/G Carburetor Acceleration Pump Nozzle 106-6124
S&S CYCLE
MSRP: $14.95Now: $13.46Was: $14.95Made in the U.S.A.10030454- SKU:
- 10030454
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- COLOR/FINISH:
- BRASS
- MATERIAL:
- BRASS
- MODEL:
- SUPER E
- PRODUCT NAME:
- EJECTOR NOZZLE
- TYPE:
- ACCELERATOR PUMP
- UNITS:
- EACH
- MODEL:
- SUPER G
- BASE COLOR:
- BRASS
- RIDING STYLE:
- STREET
MSRP: $14.95Now: $13.46Was: $14.95 -
On Sale
S&S CYCLE Acceleration Pump Diaphragm 11-2282
S&S CYCLE
MSRP: $21.95Now: $19.76Was: $21.95Made in the U.S.A.10030045- SKU:
- 10030045
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- MODEL:
- SUPER E
- TYPE:
- ACCELERATOR PUMP
- UNITS:
- EACH
- MODEL:
- SUPER G
- PRODUCT NAME:
- DIAPHRAGM
- RIDING STYLE:
- STREET
MSRP: $21.95Now: $19.76Was: $21.95 -
On Sale
S&S CYCLE Plunger Enrichener 11-2343
S&S CYCLE
MSRP: $19.95Now: $17.96Was: $19.95Made in the U.S.A.10030047- SKU:
- 10030047
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- MODEL:
- SUPER G
- PRODUCT NAME:
- PLUNGER
- MODEL:
- SUPER E
- RIDING STYLE:
- STREET
- TYPE:
- FAST IDLE
- UNITS:
- EACH
MSRP: $19.95Now: $17.96Was: $19.95Qty in Cart: 0Quantity:Price:MSRP: $19.95Now: $17.96Was: $19.95Subtotal: -
On Sale
S&S CYCLE Check Ball Spring 11-2392
S&S CYCLE
MSRP: $14.95Now: $13.46Was: $14.95Made in the U.S.A.10030050- SKU:
- 10030050
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
- MODEL:
- SUPER G
- MODEL:
- SUPER E
- PRODUCT NAME:
- SPRING
- TYPE:
- BALL CHECK
MSRP: $14.95Now: $13.46Was: $14.95 -
On Sale
S&S CYCLE Super E and Super G Carburetor Fuel Inlet 11-2465
S&S CYCLE
MSRP: $18.95Now: $17.06Was: $18.95Made in the U.S.A.10030052- SKU:
- 10030052
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- MODEL:
- SUPER E
- UNITS:
- EACH
- MODEL:
- SUPER G
- RIDING STYLE:
- STREET
- TYPE:
- CARBURETOR
- PRODUCT NAME:
- FUEL INLET
MSRP: $18.95Now: $17.06Was: $18.95Qty in Cart: 0Quantity:Price:MSRP: $18.95Now: $17.06Was: $18.95Subtotal: -
On Sale
S&S CYCLE E/G Carburetors Breather Conversion Kit 17-0486
S&S CYCLE
MSRP: $51.95Now: $46.76Was: $51.95Made in the U.S.A.10030056- SKU:
- 10030056
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
- TYPE:
- BREATHER
- UNITS:
- KIT
- PRODUCT NAME:
- CONVERSION KIT
- RIDING STYLE:
- STREET
MSRP: $51.95Now: $46.76Was: $51.95 -
On Sale
S&S CYCLE Stock Intake O-Ring Heads - 10 Pack 16-0244
S&S CYCLE
MSRP: $60.95Now: $54.86Was: $60.95For use with all current S&S intake manifolds, Made in the U.S.A.10030313- SKU:
- 10030313
- Availability:
- Ships Same Business Day
- Weight:
- 0.17 LBS
- MODEL:
- STOCK HEADS
- PRODUCT NAME:
- O-RING
- RIDING STYLE:
- STREET
- TYPE:
- INTAKE MANIFOLD
- UNITS:
- 10 PACK
MSRP: $60.95Now: $54.86Was: $60.95 -
On Sale
S&S CYCLE Super E/G Carburetor Bowl 11-2388
S&S CYCLE
MSRP: $98.95Now: $89.06Was: $98.95Made in the U.S.A.10030452- SKU:
- 10030452
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- MODEL:
- SUPER G
- TYPE:
- CARBURETOR
- MODEL:
- SUPER E
- PRODUCT NAME:
- BOWL ONLY
- UNITS:
- EACH
- RIDING STYLE:
- STREET
MSRP: $98.95Now: $89.06Was: $98.95Qty in Cart: 0Quantity:Price:MSRP: $98.95Now: $89.06Was: $98.95Subtotal: -
On Sale
S&S CYCLE Master Super B Rebuild Kit 11-2914
S&S CYCLE
MSRP: $104.95Now: $94.46Was: $104.95Made in the U.S.A., For Super B10030453- SKU:
- 10030453
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- TYPE:
- CARBURETOR
- UNITS:
- EACH
- MODEL:
- SUPER B
- PRODUCT NAME:
- REPAIR KIT
- RIDING STYLE:
- STREET
MSRP: $104.95Now: $94.46Was: $104.95Qty in Cart: 0Quantity:Price:MSRP: $104.95Now: $94.46Was: $104.95Subtotal:
Buying Guide and FAQs
Buying Guide: Factors to Consider When Choosing Harley Bike Carburetor Rebuild Kits
- Compatibility: Ensure the kit fits your Harley's carburetor type (e.g., S&S Super E/G, Keihin CV, Mikuni HSR42/45/48, HS40) and model (e.g., Big Twin 1970-2006, XL 1973-1985, Twin Cam 1999-2006). Use the vehicle selector for year-specific matches to avoid incomplete repairs or performance issues.
- Type of Use: For vintage or stock rebuilds, opt for basic kits with gaskets and jets; performance or modified engines benefit from comprehensive sets including diaphragms, needles, and O-rings for smooth throttle response in street or touring conditions.
- Components and Upgrades: Select kits with gaskets, diaphragms, needles, jets, O-rings, springs, and seals; upgrade to ethanol-resistant materials or brass jets for durability against modern fuels.
- Brand and Quality: Choose S&S Cycle for Super E/G kits, K&L Supply for Keihin CV rebuilds, or Mikuni for HSR/HS40 options. Prioritize high-quality, OEM-matching components for reliable sealing and long-term performance.
- Installation and Cost: Kits are designed for DIY carb overhauls with basic tools; prices range from $24.95 for basic sets to $102.95 for premium options—factor in expert support for fitment and free shipping over $99 for value.
Frequently Asked Questions (FAQs)
- What Harley models and carburetors do these rebuild kits support? Kits support models like Big Twin (1970-2006), XL (1973-1985), Twin Cam (1999-2006), with compatibility for S&S Super E/G, Keihin CV, Mikuni HSR42/45/48, and HS40—use the year/make/model filter for exact matches.
- How do rebuild kits restore carburetor performance? They include components to replace worn seals, jets, and diaphragms, ensuring smooth operation, preventing leaks, and improving throttle response for stock or modified engines.
- What is typically included in a kit? Most kits contain gaskets, diaphragms, needles, jets, O-rings, springs, and seals; check details for specific inclusions like accelerator pump or idle mixture screws.
- Are these kits suitable for ethanol fuels? Yes, many feature ethanol-resistant materials to withstand modern E10 blends without degradation.
- What if a kit doesn't fit my Harley? Verify carb type and model before buying. Our returns policy allows exchanges or refunds if it doesn't match.
- Can I find related air and fuel parts? Yes—explore air cleaners, fuel filters, or full carbs in the Harley air and fuel category to complement your rebuild for optimal engine efficiency.
