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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
  • MAGNUM Fuel Tank Crossover Line - FLHT - 9 1/2" 38204

    MAGNUM Fuel Tank Crossover Line - FLHT - 9 1/2" 38204

    MAGNUM

    $70.95
    Sterling Chromite® II uses patented technology to look like chrome, Braid color and weave matches on all MAGNUM control cables and brake lines, Crystal clear outer jacket offers exceptional protection against scuffing paint or chrome and will never...
    07060027
    SKU:
    07060027
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    INSIDE DIAMETER IMPERIAL:
    5/16'
    MODEL:
    STERLING CHROMITE II
    STYLE:
    BRAIDED
    BASE FINISH:
    CHROME
    COLOR/FINISH:
    CLEAR
    PRODUCT NAME:
    FUEL LINE
    RIDING STYLE:
    STREET
    LENGTH IMPERIAL:
    9-1/2'
    TYPE:
    CROSSOVER
    UNITS:
    EACH
    BASE COLOR:
    CLEAR
    COLOR/FINISH:
    CHROME
    INSIDE DIAMETER METRIC:
    7.9 MM
    LENGTH METRIC:
    24 CM
    MATERIAL:
    STAINLESS STEEL
    $70.95
    Qty in Cart: 0
    Quantity:
    Price:
    $70.95
    Subtotal:
  • On Sale
    ARLEN NESS Monster/Velocity Air Cleaner Gasket/Hardware Kit 602-022

    ARLEN NESS Monster/Velocity Air Cleaner Gasket/Hardware Kit 602-022

    ARLEN NESS

    MSRP: $39.95
    Now: $36.35
    Was: $39.95
    Each kit includes all necessary gaskets & hardware to bring your air cleaner to like new condition, Replacement Hardware Kit for Monster & Velocity Series Intakes, Velocity Series includes both Velocity 65 & Velocity 90 kits, Monster Series includes both...
    10102879
    SKU:
    10102879
    Availability:
    Ships Same Business Day
    Weight:
    0.35 LBS
    DESIGN:
    VELOCITY 65°
    MODEL:
    REPLACEMENT
    UNITS:
    KIT
    DESIGN:
    MONSTER SUCKER
    DESIGN:
    VELOCITY 90°
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    HARDWARE KIT
    MSRP: $39.95
    Now: $36.35
    Was: $39.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $39.95
    Now: $36.35
    Was: $39.95
    Subtotal:
  • MIKUNI 42/45 HSR Series Cover Top - Black KHS-035

    MIKUNI 42/45 HSR Series Cover Top - Black KHS-035

    MIKUNI

    $34.99
    Made in Japan
    10070392
    SKU:
    10070392
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    BASE COLOR:
    BLACK
    PRODUCT NAME:
    COVER
    TYPE:
    CARBURETOR
    UNITS:
    EACH
    COLOR/FINISH:
    BLACK
    MATERIAL:
    ALUMINUM
    RIDING STYLE:
    STREET
    DESIGN:
    WITHOUT MIKUNI LOGO
    $34.99
    Qty in Cart: 0
    Quantity:
    Price:
    $34.99
    Subtotal:
  • MIKUNI 45 HSR Series O-Ring - 4-Pack N124.063

    MIKUNI 45 HSR Series O-Ring - 4-Pack N124.063

    MIKUNI

    $3.08
    Made in Japan
    10070327
    SKU:
    10070327
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    UNITS:
    4 PACK
    PRODUCT NAME:
    O-RING
    TYPE:
    MIKUNI
    RIDING STYLE:
    STREET
    $3.08
    Qty in Cart: 0
    Quantity:
    Price:
    $3.08
    Subtotal:
  • MIKUNI Main Jet Extension Kit HSR Series 48 KHS-034

    MIKUNI Main Jet Extension Kit HSR Series 48 KHS-034

    MIKUNI

    $34.99
    Completely submerges main jet within extender, eliminating chance of air bubbles getting through, Increases amount of fuel to float bowl, Made in Japan
    10060248
    SKU:
    10060248
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    PRODUCT NAME:
    JET KIT
    UNITS:
    KIT
    TYPE:
    MAIN
    RIDING STYLE:
    STREET
    $34.99
    Qty in Cart: 0
    Quantity:
    Price:
    $34.99
    Subtotal:
  • MIKUNI HSR Series 48 Race Custom - Polished 48-2P

    MIKUNI HSR Series 48 Race Custom - Polished 48-2P

    MIKUNI

    $670.00
    These high-performance carbs are ideal for realizing the maximum potential from custom and race engines, Include rubber mounting flange with 78mm bolt hole centers, choke cable and four different main jets, HSR smoothbore carbs offer excellent throttle...
    482P
    SKU:
    482P
    Availability:
    Ships Same Business Day
    Weight:
    3.65 LBS
    COLOR/FINISH:
    CHROME
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    BASE FINISH:
    CHROME
    BASE FINISH:
    POLISHED
    STYLE:
    SMOOTH BORE
    CARBURETOR SIZE METRIC:
    48.00 MM
    COLOR/FINISH:
    POLISHED
    PRODUCT NAME:
    CARBURETOR
    $670.00
    Qty in Cart: 0
    Quantity:
    Price:
    $670.00
    Subtotal:
  • MIKUNI HSR Series 48 Race Custom Kit 48-2

    MIKUNI HSR Series 48 Race Custom Kit 48-2

    MIKUNI

    $550.95
    These high-performance carbs are ideal for realizing the maximum potential from custom and race engines, Include rubber mounting flange with 78mm bolt hole centers, choke cable and four different main jets, HSR smoothbore carbs offer excellent throttle...
    482X
    SKU:
    482X
    Availability:
    Ships Same Business Day
    Weight:
    3.55 LBS
    PRODUCT NAME:
    CARBURETOR
    CARBURETOR SIZE METRIC:
    48.00 MM
    COLOR/FINISH:
    NATURAL
    BASE FINISH:
    NATURAL
    STYLE:
    SMOOTH BORE
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    $550.95
    Qty in Cart: 0
    Quantity:
    Price:
    $550.95
    Subtotal:
  • MIKUNI HSR Series 45 Total Kit Big Twin Evolution 45-2

    MIKUNI HSR Series 45 Total Kit Big Twin Evolution 45-2

    MIKUNI

    $955.95
    Includes a performance intake manifold, rubber flange, 45mm carb, high-flow K&N filter, air cleaner cover, breather kit and hardware, Increase throttle response and power, acceleration and gas mileage, Use stock throttle cables for easier installation,...
    452X
    SKU:
    452X
    Availability:
    Ships Same Business Day
    Weight:
    8.45 LBS
    BASE FINISH:
    CHROME
    BORE SIZE METRIC:
    45.00 MM
    UNITS:
    KIT
    COLOR/FINISH:
    NATURAL
    FEATURES:
    INCLUDES CHROME AIR CLEANER COVER
    FEATURES:
    INCLUDES MANIFOLD
    PRODUCT NAME:
    CARBURETOR KIT
    STYLE:
    SMOOTH BORE
    BASE FINISH:
    NATURAL
    COLOR/FINISH:
    CHROME
    RIDING STYLE:
    STREET
    $955.95
    Qty in Cart: 0
    Quantity:
    Price:
    $955.95
    Subtotal:
  • REDA Single Fuel Can RGC1001 REDA Single Fuel Can RGC1001

    REDA Single Fuel Can RGC1001

    REDA

    $49.95
    Designed to fit most Harley-Davidson® style saddlebags, Vapor- and spill-proof, Made in the U.S.A.
    10300068
    SKU:
    10300068
    Availability:
    Ships Same Business Day
    Weight:
    1.05 LBS
    $49.95
    Qty in Cart: 0
    Quantity:
    Price:
    $49.95
    Subtotal:
  • MIKUNI HSR Series 45 Jet Kit KHS-045

    MIKUNI HSR Series 45 Jet Kit KHS-045

    MIKUNI

    $124.99
    Made in Japan
    10070323
    SKU:
    10070323
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    BASE COLOR:
    BRASS
    RIDING STYLE:
    STREET
    COLOR/FINISH:
    BRASS
    MODEL:
    FOR HSR 45
    MATERIAL:
    BRASS
    UNITS:
    KIT
    PRODUCT NAME:
    JET KIT
    $124.99
    Qty in Cart: 0
    Quantity:
    Price:
    $124.99
    Subtotal:
  • MIKUNI Jet HSR Series 45  Washer - 4-Pack 826-03002

    MIKUNI Jet HSR Series 45 Washer - 4-Pack 826-03002

    MIKUNI

    $4.20
    Made in Japan
    10070324
    SKU:
    10070324
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    PRODUCT NAME:
    WASHER
    RIDING STYLE:
    STREET
    UNITS:
    4 PACK
    $4.20
    Qty in Cart: 0
    Quantity:
    Price:
    $4.20
    Subtotal:
  • MIKUNI Jet Needle E-Ring - 4-Pack BS32/126

    MIKUNI Jet Needle E-Ring - 4-Pack BS32/126

    MIKUNI

    $3.58
    Sold to dealers in packs of 4, sold to consumer as each, Made in Japan
    10070325
    SKU:
    10070325
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    PRODUCT NAME:
    JET
    RIDING STYLE:
    STREET
    UNITS:
    4 PACK
    FEATURES:
    FOR HSR45 CARBURETORS
    TYPE:
    NEEDLE
    $3.58
    Qty in Cart: 0
    Quantity:
    Price:
    $3.58
    Subtotal:
  • MIKUNI HSR Series 48 Carburetor Rebuild Kit KHS-031

    MIKUNI HSR Series 48 Carburetor Rebuild Kit KHS-031

    MIKUNI

    $46.99
    Include top cover gasket, jet needle E-ring and washer, throttle valve seal, pilot air O-ring, fuel joint O-ring, accelerator pump O-ring, needle valve O-ring, needle valve retainer screw, needle valve assembly, float bowl O-ring/gasket, overflow hose,...
    KHS031
    SKU:
    KHS031
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    PRODUCT NAME:
    REPAIR KIT
    MODEL:
    FOR HSR 48
    RIDING STYLE:
    STREET
    UNITS:
    KIT
    TYPE:
    CARBURETOR
    $46.99
    Qty in Cart: 0
    Quantity:
    Price:
    $46.99
    Subtotal:
  • MIKUNI HSR 42/45/48 Smoothbore Carburetors Filter - 2.5" HS42/012

    MIKUNI HSR 42/45/48 Smoothbore Carburetors Filter - 2.5" HS42/012

    MIKUNI

    $128.95
    Made in Japan
    HS42012250
    SKU:
    HS42012250
    Availability:
    Ships Same Business Day
    Weight:
    0.81 LBS
    BASE COLOR:
    BLACK
    FILTER SHAPE:
    ROUND
    MOUNTING FLANGE/INSIDE DIAMETER IMPERIAL:
    2.50'
    UNITS:
    EACH
    PRODUCT NAME:
    AIR FILTER
    FILTER MEDIA MATERIAL:
    COTTON GAUZE
    RIDING STYLE:
    STREET
    COLOR/FINISH:
    BLACK
    STYLE:
    CLAMP-ON
    $128.95
    Qty in Cart: 0
    Quantity:
    Price:
    $128.95
    Subtotal:
  • HORSEPOWER, INC Throttle Body - Black - 51mm /1.71 HPI-51D1-17B

    HORSEPOWER, INC Throttle Body - Black - 51mm /1.71 HPI-51D1-17B

    HORSEPOWER, INC

    $784.95
    Includes throttle body, CNC ported intake manifold, throttle cable bracket, intake flanges and seals, Flow bench-tested and dyno-proven to deliver increased airflow, horsepower and torque, Brass throttle blade resists deflection, which helps maintain...
    10220236
    SKU:
    10220236
    Availability:
    Ships Same Business Day
    Weight:
    2.85 LBS
    MATERIAL:
    ALUMINUM
    MODEL:
    CABLE DRIVENâ„¢
    TYPE:
    SINGLE BORE
    BORE SIZE METRIC:
    51.00 MM
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    COLOR/FINISH:
    BLACK
    PRODUCT NAME:
    THROTTLE BODY
    INTAKE RUNNER LENGTH IMPERIAL:
    1.71'
    $784.95
    Qty in Cart: 0
    Quantity:
    Price:
    $784.95
    Subtotal:
  • HORSEPOWER, INC Throttle Body - Black - 55mm/1.80 HPI-55D1-18B

    HORSEPOWER, INC Throttle Body - Black - 55mm/1.80 HPI-55D1-18B

    HORSEPOWER, INC

    $784.95
    Includes throttle body, CNC ported intake manifold, throttle cable bracket, intake flanges and seals, Flow bench-tested and dyno-proven to deliver increased airflow, horsepower and torque, Brass throttle blade resists deflection, which helps maintain...
    10220237
    SKU:
    10220237
    Availability:
    Ships Same Business Day
    Weight:
    2.65 LBS
    BORE SIZE METRIC:
    55.00 MM
    MODEL:
    CABLE DRIVENâ„¢
    TYPE:
    SINGLE BORE
    UNITS:
    EACH
    COLOR/FINISH:
    BLACK
    INTAKE RUNNER LENGTH IMPERIAL:
    1.80'
    MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    THROTTLE BODY
    RIDING STYLE:
    STREET
    $784.95
    Qty in Cart: 0
    Quantity:
    Price:
    $784.95
    Subtotal:
  • HORSEPOWER, INC Throttle Body - Black - 51mm/1.71 HPI-51D6-17B

    HORSEPOWER, INC Throttle Body - Black - 51mm/1.71 HPI-51D6-17B

    HORSEPOWER, INC

    $784.95
    Includes throttle body, CNC ported intake manifold, throttle cable bracket, intake flanges and seals, Flow bench-tested and dyno-proven to deliver increased airflow, horsepower and torque, Brass throttle blade resists deflection, which helps maintain...
    10220238
    SKU:
    10220238
    Availability:
    Ships Same Business Day
    Weight:
    2.75 LBS
    MATERIAL:
    ALUMINUM
    MODEL:
    CABLE DRIVENâ„¢
    RIDING STYLE:
    STREET
    TYPE:
    SINGLE BORE
    COLOR/FINISH:
    BLACK
    UNITS:
    EACH
    BORE SIZE METRIC:
    51.00 MM
    INTAKE RUNNER LENGTH IMPERIAL:
    1.71'
    PRODUCT NAME:
    THROTTLE BODY
    $784.95
    Qty in Cart: 0
    Quantity:
    Price:
    $784.95
    Subtotal:
  • HORSEPOWER, INC Throttle Body - Black - 55mm/1.80 HPI-55D6-18B

    HORSEPOWER, INC Throttle Body - Black - 55mm/1.80 HPI-55D6-18B

    HORSEPOWER, INC

    $784.95
    Includes throttle body, CNC ported intake manifold, throttle cable bracket, intake flanges and seals, Flow bench-tested and dyno-proven to deliver increased airflow, horsepower and torque, Brass throttle blade resists deflection, which helps maintain...
    10220239
    SKU:
    10220239
    Availability:
    Ships Same Business Day
    Weight:
    2.70 LBS
    BORE SIZE METRIC:
    55.00 MM
    MATERIAL:
    ALUMINUM
    MODEL:
    CABLE DRIVENâ„¢
    RIDING STYLE:
    STREET
    TYPE:
    SINGLE BORE
    PRODUCT NAME:
    THROTTLE BODY
    COLOR/FINISH:
    BLACK
    INTAKE RUNNER LENGTH IMPERIAL:
    1.80'
    UNITS:
    EACH
    $784.95
    Qty in Cart: 0
    Quantity:
    Price:
    $784.95
    Subtotal:
  • HORSEPOWER, INC Throttle Body - Black - 55/1.80 HPI-55MF1-18B

    HORSEPOWER, INC Throttle Body - Black - 55/1.80 HPI-55MF1-18B

    HORSEPOWER, INC

    $884.95
    Completely replaces OEM throttle body and manifold; fully compatible with OEM components, Specifically designed for larger cubic inch motors that require substantial airflow, Equipped with a sealed double roller bearing for smooth throttle operation,...
    10220240
    SKU:
    10220240
    Availability:
    Ships Same Business Day
    Weight:
    3.00 LBS
    COLOR/FINISH:
    BLACK
    MATERIAL:
    ALUMINUM
    MODEL:
    MAX FLOW Iâ„¢
    PRODUCT NAME:
    THROTTLE BODY
    RIDING STYLE:
    STREET
    BASE COLOR:
    BLACK
    INTAKE RUNNER LENGTH IMPERIAL:
    1.80'
    UNITS:
    EACH
    BORE SIZE METRIC:
    55.00 MM
    TYPE:
    SINGLE BORE
    $884.95
    Qty in Cart: 0
    Quantity:
    Price:
    $884.95
    Subtotal:
  • HORSEPOWER, INC Throttle Body - Black - 55/1.80 HPI-55MF6-18B

    HORSEPOWER, INC Throttle Body - Black - 55/1.80 HPI-55MF6-18B

    HORSEPOWER, INC

    $884.95
    Completely replaces OEM throttle body and manifold; fully compatible with OEM components, Specifically designed for larger cubic inch motors that require substantial airflow, Equipped with a sealed double roller bearing for smooth throttle operation,...
    10220241
    SKU:
    10220241
    Availability:
    Ships Same Business Day
    Weight:
    2.85 LBS
    COLOR/FINISH:
    BLACK
    BASE COLOR:
    BLACK
    BORE SIZE METRIC:
    55.00 MM
    TYPE:
    SINGLE BORE
    UNITS:
    EACH
    INTAKE RUNNER LENGTH IMPERIAL:
    1.80'
    MATERIAL:
    ALUMINUM
    MODEL:
    MAX FLOW Iâ„¢
    PRODUCT NAME:
    THROTTLE BODY
    RIDING STYLE:
    STREET
    $884.95
    Qty in Cart: 0
    Quantity:
    Price:
    $884.95
    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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