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Harley Air and Fuel

Harley Air and Fuel

Harley Air and Fuel

Harley Bike Air & Fuel Systems at JJ Motorsports

Optimize your Harley's performance with premium air and fuel components from JJ Motorsports. Our range includes air cleaners, carburetor kits, fuel valves, and enrichener brackets designed for better throttle response, fuel efficiency, and power gains on the road or track. Compatible with Softail, Dyna, Touring, and V-Rod models, these parts feature chrome finishes, high-flow filters, and stainless construction for durability and easy installation.

Shop trusted brands like Vance & Hines for VO2 air cleaners and Pingel for fuel valves. Explore related categories such as Harley engine parts for rebuild kits or Harley exhausts for complete tuning.

Top Harley Air & Fuel Products

Browse our in-stock inventory below with same-day shipping and expert support. Questions? Contact us for fitment advice!

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • DRAG SPECIALTIES Air Cleaner with Breather - '93-'17 Big Twin 120049-BC315

    DRAG SPECIALTIES Air Cleaner with Breather - '93-'17 Big Twin 120049-BC315

    DRAG SPECIALTIES

    $88.76
    Upgrading to an aftermarket air cleaner transforms your Big Twin's breathing potential, delivering improved throttle response and peak horsepower gains while maintaining seamless compatibility with your stock fuel system. This complete kit eliminates the...
    DS289060
    SKU:
    DS289060
    Availability:
    Ships Same Business Day
    Weight:
    1.44 LBS
    RIDING STYLE:
    STREET
    COLOR/FINISH:
    CHROME
    PRODUCT NAME:
    SUPPORT BRACKET KIT
    UNITS:
    KIT
    BASE COLOR:
    SILVER
    $88.76
    Qty in Cart: 0
    Quantity:
    Price:
    $88.76
    Subtotal:
  • DRAG SPECIALTIES Air Cleaner Bracket - XL '88-'06 120046-BC315

    DRAG SPECIALTIES Air Cleaner Bracket - XL '88-'06 120046-BC315

    DRAG SPECIALTIES

    $48.10
    A properly mounted air cleaner bracket is essential for maintaining clean airflow to your engine while keeping your breather system secure and protected from road debris. This DRAG Specialties bracket delivers reliable fitment and durability on Big Twin...
    DS289062
    SKU:
    DS289062
    Availability:
    Ships Same Business Day
    Weight:
    0.63 LBS
    RIDING STYLE:
    STREET
    TYPE:
    AIR CLEANER
    BASE FINISH:
    CHROME
    COLOR/FINISH:
    CHROME
    UNITS:
    KIT
    PRODUCT NAME:
    SUPPORT BRACKET
    $48.10
    Qty in Cart: 0
    Quantity:
    Price:
    $48.10
    Subtotal:
  • DRAG SPECIALTIES Carburetor Support Breather - '93-'14 Big Twin 120084-BC514

    DRAG SPECIALTIES Carburetor Support Breather - '93-'14 Big Twin 120084-BC514

    DRAG SPECIALTIES

    $128.35
    If you're running a '93-'14 Big Twin with factory carburetor or EFI, upgrading to an aftermarket air cleaner means ditching restrictive OEM intake geometry for improved throttle response and airflow efficiency. This DRAG SPECIALTIES support breather kit...
    DS289082
    SKU:
    DS289082
    Availability:
    Ships Same Business Day
    Weight:
    1.94 LBS
    RIDING STYLE:
    STREET
    UNITS:
    KIT
    COLOR/FINISH:
    CHROME
    PRODUCT NAME:
    CRANKCASE BREATHER/SUPPORT BRACKET KIT
    COLOR/FINISH:
    BLACK
    BASE COLOR:
    SILVER
    $128.35
    Qty in Cart: 0
    Quantity:
    Price:
    $128.35
    Subtotal:
  • DRAG SPECIALTIES Round Air Cleaner - Bendix/Keihin Carburetor - 7" 121093-BX-LB2

    DRAG SPECIALTIES Round Air Cleaner - Bendix/Keihin Carburetor - 7" 121093-BX-LB2

    DRAG SPECIALTIES

    $57.73
    A properly sealed intake system is critical to carburetor performance and engine efficiency. This DRAG Specialties round air cleaner delivers a clean aesthetic while maintaining optimal airflow to your Bendix or Keihin carb—no compromises on function...
    DS288998
    SKU:
    DS288998
    Availability:
    Ships Same Business Day
    Weight:
    1.56 LBS
    BASE COLOR:
    SILVER
    AIR CLEANER SHAPE:
    ROUND
    UNITS:
    EACH
    DESIGN:
    SMOOTH
    OUTSIDE DIAMETER IMPERIAL:
    7.00'
    COLOR/FINISH:
    CHROME
    PRODUCT NAME:
    AIR CLEANER
    RIDING STYLE:
    STREET
    $57.73
    Qty in Cart: 0
    Quantity:
    Price:
    $57.73
    Subtotal:
  • DRAG SPECIALTIES Carburetor Support Bracket - Big Twin '84-'89 121143-BC315

    DRAG SPECIALTIES Carburetor Support Bracket - Big Twin '84-'89 121143-BC315

    DRAG SPECIALTIES

    $32.05
    A properly supported carburetor is essential for reliable fuel delivery and engine stability, especially in high-performance Big Twin applications where vibration can compromise tuning and gasket integrity. This Drag Specialties bracket provides secure,...
    DS289053
    SKU:
    DS289053
    Availability:
    Ships Same Business Day
    Weight:
    0.69 LBS
    BASE FINISH:
    CHROME
    UNITS:
    KIT
    PRODUCT NAME:
    SUPPORT BRACKET
    COLOR/FINISH:
    CHROME
    RIDING STYLE:
    STREET
    TYPE:
    AIR CLEANER
    Qty in Cart: 0
    Quantity:
    Price:
    $32.05
    Subtotal:
  • DRAG SPECIALTIES One-Piece Gas Tank Mounting Kit 346103-PB-LB1

    DRAG SPECIALTIES One-Piece Gas Tank Mounting Kit 346103-PB-LB1

    DRAG SPECIALTIES

    $83.69
    A quality gas tank mounting system is fundamental to chassis rigidity and fuel system reliability—especially under the demanding conditions of drag racing where vibration and lateral forces can compromise stock mounts. This one-piece kit from DRAG...
    DS391648
    SKU:
    DS391648
    Availability:
    Ships Same Business Day
    Weight:
    1.06 LBS
    UNITS:
    KIT
    MATERIAL:
    RUBBER
    MOUNTING STYLE:
    BOLT-ON
    PRODUCT NAME:
    MOUNTING KIT
    BASE FINISH:
    CHROME
    COLOR/FINISH:
    BLACK
    COLOR/FINISH:
    CHROME
    MATERIAL:
    ALUMINUM
    RIDING STYLE:
    STREET
    TYPE:
    FUEL TANK
    BASE COLOR:
    BLACK
    $83.69
    Qty in Cart: 0
    Quantity:
    Price:
    $83.69
    Subtotal:
  • DRAG SPECIALTIES Replacement Mounting Kit 345283-HC4

    DRAG SPECIALTIES Replacement Mounting Kit 345283-HC4

    DRAG SPECIALTIES

    $104.89
    If you're running a classic Harley Fat Bob and want that iconic fuel tank look without compromising functionality, this Drag Specialties replacement kit delivers authentic aesthetics paired with reliable performance. The one-piece construction and...
    DS391285
    SKU:
    DS391285
    Availability:
    Ships Same Business Day
    Weight:
    1.88 LBS
    UNITS:
    KIT
    COLOR/FINISH:
    BLACK
    COLOR/FINISH:
    GLOSS
    FEATURES:
    INCLUDES RUBBER MOUNT BRACKETS
    RIDING STYLE:
    STREET
    TYPE:
    FUEL TANK
    MATERIAL:
    RUBBER
    MODEL:
    QUICKBOB®
    MOUNTING STYLE:
    BOLT-ON
    PRODUCT NAME:
    MOUNTING KIT
    STYLE:
    SMOOTH TOP
    BASE COLOR:
    BLACK
    BASE FINISH:
    GLOSS
    Qty in Cart: 0
    Quantity:
    Price:
    $104.89
    Subtotal:
  • DRAG SPECIALTIES Flat Side Tank Mounting Kit 345270-HC4

    DRAG SPECIALTIES Flat Side Tank Mounting Kit 345270-HC4

    DRAG SPECIALTIES

    $121.85
    A reliable tank mounting system is non-negotiable for any build—whether you're updating aging stock hardware or fabricating a custom setup from scratch. This DRAG SPECIALTIES kit delivers the precision-engineered brackets and isolation mounts needed to...
    DS391301
    SKU:
    DS391301
    Availability:
    Ships Same Business Day
    Weight:
    1.31 LBS
    BASE COLOR:
    CLEAR
    MATERIAL:
    RUBBER
    TYPE:
    FUEL TANK
    BASE COLOR:
    BLACK
    PRODUCT NAME:
    MOUNTING KIT
    STYLE:
    FLATSIDE
    UNITS:
    KIT
    COLOR/FINISH:
    BLACK
    COLOR/FINISH:
    CLEAR
    MOUNTING STYLE:
    BOLT-ON
    RIDING STYLE:
    STREET
    $121.85
    Qty in Cart: 0
    Quantity:
    Price:
    $121.85
    Subtotal:
  • DRAG SPECIALTIES Single Vented Locking Gas Cap 011551-BX-LB1

    DRAG SPECIALTIES Single Vented Locking Gas Cap 011551-BX-LB1

    DRAG SPECIALTIES

    $51.89
    A secure fuel system starts with a reliable gas cap. This Drag Specialties locking cap prevents fuel siphoning and theft while maintaining a tight seal during high-performance driving—critical for both street and track applications. The vented design...
    DS390069
    SKU:
    DS390069
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    PRODUCT NAME:
    FUEL CAP
    UNITS:
    EACH
    MOUNTING STYLE:
    RIGHT-HAND THREAD
    FEATURES:
    INCLUDES 2 KEYS
    FEATURES:
    LOCKING
    STYLE:
    VENTED
    TYPE:
    FLUSH MOUNT
    RIDING STYLE:
    STREET
    $51.89
    Qty in Cart: 0
    Quantity:
    Price:
    $51.89
    Subtotal:
  • DRAG SPECIALTIES Vented/Non-Vented Locking Gas Caps - Pair 011549-BX-LB1

    DRAG SPECIALTIES Vented/Non-Vented Locking Gas Caps - Pair 011549-BX-LB1

    DRAG SPECIALTIES

    $102.77
    A secure gas cap is a critical component of any fuel system—poor sealing leads to fuel sloshing, evaporation, and potential safety hazards during high-performance driving or racing. These Drag Specialties locking gas caps provide dependable, leak-free...
    DS390079
    SKU:
    DS390079
    Availability:
    Ships Same Business Day
    Weight:
    0.94 LBS
    PRODUCT NAME:
    FUEL CAP
    MOUNTING STYLE:
    LEFT-HAND THREAD
    TYPE:
    FLUSH MOUNT
    STYLE:
    NON-VENTED
    FEATURES:
    INCLUDES 2 KEYS
    FEATURES:
    LOCKING
    RIDING STYLE:
    STREET
    STYLE:
    VENTED
    UNITS:
    PAIR
    $102.77
    Qty in Cart: 0
    Quantity:
    Price:
    $102.77
    Subtotal:
  • DYNOJET Wideband Power Vision-3 Air Fuel Ratio Individual Dual WB-PV29-2

    DYNOJET Wideband Power Vision-3 Air Fuel Ratio Individual Dual WB-PV29-2

    DYNOJET

    $595.99
    Precision tuning demands accurate, real-time air-fuel ratio data—and the DYNOJET Wideband Power Vision-3 delivers exactly that without the wiring headaches of traditional wideband controllers. By integrating directly into your vehicle's diagnostic port,...
    10203200
    SKU:
    10203200
    Availability:
    Ships Same Business Day
    Weight:
    1.50 LBS
    MODEL:
    POWER VISION CX
    RIDING STYLE:
    STREET
    BASE COLOR:
    BLACK
    PRODUCT NAME:
    TUNING SYSTEM
    TYPE:
    WIDE-BAND
    UNITS:
    EACH
    $595.99
    Qty in Cart: 0
    Quantity:
    Price:
    $595.99
    Subtotal:
  • DYNOJET Auto Tune Power Commander V - '10-'13 FLHT/X AT-100B

    DYNOJET Auto Tune Power Commander V - '10-'13 FLHT/X AT-100B

    DYNOJET

    $592.21
    The DYNOJET Auto Tune Power Commander V puts precise fuel mapping control directly in your hands, letting you optimize air/fuel ratios across every RPM and throttle position for your specific riding conditions. Whether you're chasing peak power on the...
    10201117
    SKU:
    10201117
    Availability:
    Ships Same Business Day
    Weight:
    1.54 LBS
    BASE COLOR:
    BLACK
    MODEL:
    POWER COMMANDER V
    PHYSICAL CONNECTION:
    PLUG-IN (OEM STYLE CONNECTORS)
    PROGRAMMING:
    AUTOTUNE
    UNITS:
    EACH
    COLOR/FINISH:
    RED
    FEATURE:
    INCLUDES OXYGEN SENSOR
    PRODUCT NAME:
    TUNING MODULE
    COLOR/FINISH:
    GRAY
    COLOR/FINISH:
    WHITE
    OXYGEN SENSOR PLUG SIZE IMPERIAL:
    0.71'
    RIDING STYLE:
    STREET
    TYPE:
    AIR/FUEL RATIO
    $592.21
    Qty in Cart: 0
    Quantity:
    Price:
    $592.21
    Subtotal:
  • DYNOJET Power Vision Visor - Black 61300054

    DYNOJET Power Vision Visor - Black 61300054

    DYNOJET

    $34.43
    Maximize visibility during high-intensity dyno sessions and track days with the DYNOJET Power Vision Visor. This sun shade eliminates glare and screen washout, ensuring you can read real-time performance data without interruption. The quick-release...
    10202045
    SKU:
    10202045
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MODEL:
    POWER VISION
    PRODUCT NAME:
    VISOR
    RIDING STYLE:
    STREET
    COLOR/FINISH:
    BLACK
    UNITS:
    EACH
    BASE COLOR:
    BLACK
    $34.43
    Qty in Cart: 0
    Quantity:
    Price:
    $34.43
    Subtotal:
  • DYNOJET Auto Tune Power Commander V - '12-'15 Softail/Dyna AT-101B

    DYNOJET Auto Tune Power Commander V - '12-'15 Softail/Dyna AT-101B

    DYNOJET

    $577.77
    Fine-tuning your air/fuel mixture across the entire throttle range unlocks hidden power while optimizing fuel economy—something the stock ECU simply cannot achieve. The DynoJet Auto Tune module gives you precise control at every RPM and throttle...
    10201559
    SKU:
    10201559
    Availability:
    Ships Same Business Day
    Weight:
    1.25 LBS
    COLOR/FINISH:
    GRAY
    OXYGEN SENSOR PLUG SIZE IMPERIAL:
    0.71'
    PRODUCT NAME:
    TUNING MODULE
    BASE COLOR:
    BLACK
    MODEL:
    POWER COMMANDER V
    TYPE:
    AIR/FUEL RATIO
    PHYSICAL CONNECTION:
    PLUG-IN (OEM STYLE CONNECTORS)
    COLOR/FINISH:
    RED
    COLOR/FINISH:
    WHITE
    FEATURE:
    INCLUDES OXYGEN SENSOR
    PROGRAMMING:
    AUTOTUNE
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $577.77
    Subtotal:
  • DYNOJET Auto Tune Kit - Harley-Davidson AT-110

    DYNOJET Auto Tune Kit - Harley-Davidson AT-110

    DYNOJET

    $688.88
    Fine-tuning your air-fuel ratio across the entire throttle range is the difference between adequate performance and optimized efficiency on every ride. The DYNOJET Auto Tune Kit gives you real-time AFR feedback and semi-automated fuel corrections, so you...
    10201532
    SKU:
    10201532
    Availability:
    Ships Same Business Day
    Weight:
    1.44 LBS
    FEATURE:
    INCLUDES OXYGEN SENSOR
    MODEL:
    POWER VISION
    RIDING STYLE:
    STREET
    PHYSICAL CONNECTION:
    PLUG-IN (OEM STYLE CONNECTORS)
    PROGRAMMING:
    PROGRAMMABLE
    OXYGEN SENSOR PLUG SIZE:
    18,00 MM (0,71')
    OXYGEN SENSOR PLUG SIZE METRIC:
    18.00 MM
    PRODUCT NAME:
    TUNING MODULE
    PROGRAMMING:
    PRE-PROGRAMMED
    TYPE:
    AIR/FUEL RATIO
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $688.88
    Subtotal:
  • DYNOJET Auto Tune Kit - Harley-Davidson AT-110B

    DYNOJET Auto Tune Kit - Harley-Davidson AT-110B

    DYNOJET

    $706.65
    Fine-tuning your air-fuel ratio across the entire throttle range unlocks both fuel economy and peak power—something stock Harley tuning simply can't deliver. The DYNOJET AT-110B Auto Tune Kit gives you real-time AFR feedback and semi-automated...
    10201533
    SKU:
    10201533
    Availability:
    Ships Same Business Day
    Weight:
    1.55 LBS
    TYPE:
    AIR/FUEL RATIO
    UNITS:
    EACH
    OXYGEN SENSOR PLUG SIZE:
    18,00 MM (0,71')
    OXYGEN SENSOR PLUG SIZE METRIC:
    18.00 MM
    PRODUCT NAME:
    TUNING MODULE
    FEATURE:
    INCLUDES OXYGEN SENSOR
    MODEL:
    POWER VISION
    PROGRAMMING:
    PRE-PROGRAMMED
    RIDING STYLE:
    STREET
    FEATURE:
    INCLUDES WELD-IN 18 MM BUNGS
    PHYSICAL CONNECTION:
    PLUG-IN (OEM STYLE CONNECTORS)
    PROGRAMMING:
    PROGRAMMABLE
    $706.65
    Qty in Cart: 0
    Quantity:
    Price:
    $706.65
    Subtotal:
  • DYNOJET Thunderslide Jet Kit - Harley-Davidson 1200 8109

    DYNOJET Thunderslide Jet Kit - Harley-Davidson 1200 8109

    DYNOJET

    $205.54
    If you're running a stock or modified 1200cc Harley with a CV carburetor, throttle response and fuel delivery are often the first limitations you'll hit. The DYNOJET Thunderslide Jet Kit addresses this directly by optimizing how your slide opens relative...
    DS289308
    SKU:
    DS289308
    Availability:
    Ships Same Business Day
    Weight:
    0.69 LBS
    PRODUCT NAME:
    JET KIT
    MODEL:
    THUNDERSLIDE
    RIDING STYLE:
    STREET
    UNITS:
    KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $205.54
    Subtotal:
  • DYNOJET Jet Kit - Harley-Davidson 883 Race Kit 8703

    DYNOJET Jet Kit - Harley-Davidson 883 Race Kit 8703

    DYNOJET

    $136.65
    If you're running a stock Keihin CV carburetor on your 883, you're leaving performance on the table. The DYNOJET Jet Kit recalibrates your fuel and air mixture to unlock the true potential of your engine while maintaining the reliability you need for...
    DS289450
    SKU:
    DS289450
    Availability:
    Ships Same Business Day
    Weight:
    0.63 LBS
    PRODUCT NAME:
    RECALIBRATION KIT RACE ONLY
    RIDING STYLE:
    STREET
    UNITS:
    KIT
    $136.65
    Qty in Cart: 0
    Quantity:
    Price:
    $136.65
    Subtotal:
  • DYNOJET Jet Kit - XL 1200S '98-'03 8103

    DYNOJET Jet Kit - XL 1200S '98-'03 8103

    DYNOJET

    $155.63
    If you're running a stock Keihin CV carburetor on your XL 1200S, you're leaving performance on the table. The DYNOJET Jet Kit recalibrates your fuel delivery across the entire throttle range, unlocking the power your engine is capable of while preserving...
    DS289451
    SKU:
    DS289451
    Availability:
    Ships Same Business Day
    Weight:
    0.63 LBS
    UNITS:
    KIT
    PRODUCT NAME:
    RECALIBRATION KIT
    RIDING STYLE:
    STREET
    Qty in Cart: 0
    Quantity:
    Price:
    $155.63
    Subtotal:
  • DYNOJET Thunderslide Jet Kit - '98-'03 1200S 8112

    DYNOJET Thunderslide Jet Kit - '98-'03 1200S 8112

    DYNOJET

    $192.25
    If you're running a stock or modified '98-'03 Harley-Davidson 1200S, carburetor tuning is the difference between leaving power on the table and extracting real performance gains. The DYNOJET Thunderslide Jet Kit optimizes fuel delivery and throttle...
    DS289454
    SKU:
    DS289454
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    PRODUCT NAME:
    JET KIT
    MODEL:
    THUNDERSLIDE
    RIDING STYLE:
    STREET
    UNITS:
    KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $192.25
    Subtotal:
  • Total: items /

Adding your products to cart

Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

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