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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
  • On Sale
     ARLEN NESS Monster Sucker Air Cleaner - Black 600-087  ARLEN NESS Monster Sucker Air Cleaner - Black 600-087

    ARLEN NESS Monster Sucker Air Cleaner - Black 600-087

    ARLEN NESS

    MSRP: $499.95
    Now: $454.95
    Was: $499.95
    The ARLEN NESS Monster Sucker Air Cleaner delivers unrestricted airflow to your engine while eliminating the clutter of external breather hoses and hardware. Its hidden breather design channels air efficiently from the throttle body, giving you cleaner...
    10102852
    SKU:
    10102852
    Availability:
    Ships Same Business Day
    Weight:
    4.80 LBS
    MSRP: $499.95
    Now: $454.95
    Was: $499.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $499.95
    Now: $454.95
    Was: $499.95
    Subtotal:
  • On Sale
     ARLEN NESS Monster Sucker Air Cleaner - Chrome 600-088  ARLEN NESS Monster Sucker Air Cleaner - Chrome 600-088

    ARLEN NESS Monster Sucker Air Cleaner - Chrome 600-088

    ARLEN NESS

    MSRP: $499.95
    Now: $454.95
    Was: $499.95
    The ARLEN NESS Monster Sucker Air Cleaner eliminates unnecessary complexity from your intake system while delivering measurable airflow improvements. By consolidating breather function into a single, hidden design, you gain cleaner engine breathing...
    10102853
    SKU:
    10102853
    Availability:
    Ships Same Business Day
    Weight:
    6.66 LBS
    MSRP: $499.95
    Now: $454.95
    Was: $499.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $499.95
    Now: $454.95
    Was: $499.95
    Subtotal:
  • On Sale
     ARLEN NESS Monster Sucker Air Cleaner - Chrome 600-089  ARLEN NESS Monster Sucker Air Cleaner - Chrome 600-089

    ARLEN NESS Monster Sucker Air Cleaner - Chrome 600-089

    ARLEN NESS

    MSRP: $499.95
    Now: $454.95
    Was: $499.95
    The ARLEN NESS Monster Sucker Air Cleaner delivers a cleaner, more efficient intake path by eliminating external breather hoses that restrict airflow and complicate engine bay aesthetics. Its hidden breather design channels air directly through the...
    10102854
    SKU:
    10102854
    Availability:
    Ships Same Business Day
    Weight:
    6.16 LBS
    MSRP: $499.95
    Now: $454.95
    Was: $499.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $499.95
    Now: $454.95
    Was: $499.95
    Subtotal:
  • On Sale
     ARLEN NESS Monster Sucker Air Cleaner - Chrome 600-091  ARLEN NESS Monster Sucker Air Cleaner - Chrome 600-091

    ARLEN NESS Monster Sucker Air Cleaner - Chrome 600-091

    ARLEN NESS

    MSRP: $449.95
    Now: $409.45
    Was: $449.95
    The Arlen Ness Monster Sucker Air Cleaner delivers measurable airflow gains without the complexity of external breather lines or additional hardware. Its hidden breather design integrates seamlessly into your intake system while the inverted filter...
    10102856
    SKU:
    10102856
    Availability:
    Ships Same Business Day
    Weight:
    0.01 LBS
    MSRP: $449.95
    Now: $409.45
    Was: $449.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $449.95
    Now: $409.45
    Was: $449.95
    Subtotal:
  • On Sale
     ARLEN NESS Replacement Breather Bolt Cover Plate - Inverted/Method/Clear Tear/Sidekick - Left - Black 600-056  ARLEN NESS Replacement Breather Bolt Cover Plate - Inverted/Method/Clear Tear/Sidekick - Left - Black 600-056

    ARLEN NESS Replacement Breather Bolt Cover Plate - Inverted/Method/Clear Tear/Sidekick - Left - Black 600-056

    ARLEN NESS

    MSRP: $13.45
    Now: $12.24
    Was: $13.45
    Exposed breather bolts create visual clutter and detract from a clean engine aesthetic. The ARLEN NESS Replacement Breather Bolt Cover Plate delivers a refined finish while protecting critical fasteners from debris and moisture. This CNC-machined...
    10140316
    SKU:
    10140316
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MSRP: $13.45
    Now: $12.24
    Was: $13.45
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $13.45
    Now: $12.24
    Was: $13.45
    Subtotal:
  • On Sale
     ARLEN NESS Replacement Breather Bolt Cover Plate - Inverted/Method/Clear Tear/Sidekick - Left - Chrome 600-057

    ARLEN NESS Replacement Breather Bolt Cover Plate - Inverted/Method/Clear Tear/Sidekick - Left - Chrome 600-057

    ARLEN NESS

    MSRP: $13.45
    Now: $12.24
    Was: $13.45
    Exposed breather bolts detract from an otherwise clean engine bay aesthetic and leave functional hardware unprotected from debris and moisture. This precision CNC-machined cover plate secures those fasteners behind a polished chrome finish while...
    10140317
    SKU:
    10140317
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MSRP: $13.45
    Now: $12.24
    Was: $13.45
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $13.45
    Now: $12.24
    Was: $13.45
    Subtotal:
  • On Sale
     ARLEN NESS Replacement Breather Bolt Cover Plate - Inverted/Method/Clear Tear/Sidekick - Right - Black 600-058  ARLEN NESS Replacement Breather Bolt Cover Plate - Inverted/Method/Clear Tear/Sidekick - Right - Black 600-058

    ARLEN NESS Replacement Breather Bolt Cover Plate - Inverted/Method/Clear Tear/Sidekick - Right - Black 600-058

    ARLEN NESS

    MSRP: $14.95
    Now: $13.60
    Was: $14.95
    Exposed breather bolts disrupt the clean lines of your bike's engine bay—this CNC-machined cover plate eliminates that visual clutter while protecting critical hardware from debris and moisture. If you're running an Inverted, Method, Clear Tear, or...
    10140318
    SKU:
    10140318
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MSRP: $14.95
    Now: $13.60
    Was: $14.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $14.95
    Now: $13.60
    Was: $14.95
    Subtotal:
  • On Sale
     ARLEN NESS Replacement Breather Bolt Cover Plate - Inverted/Method/Clear Tear/Sidekick - Right - Chrome 600-059

    ARLEN NESS Replacement Breather Bolt Cover Plate - Inverted/Method/Clear Tear/Sidekick - Right - Chrome 600-059

    ARLEN NESS

    MSRP: $13.45
    Now: $12.24
    Was: $13.45
    A clean engine bay starts with attention to detail. This CNC-machined cover plate eliminates unsightly breather bolts, giving your engine a finished, professional appearance while maintaining full functionality. Whether you're building a show-quality...
    10140319
    SKU:
    10140319
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MSRP: $13.45
    Now: $12.24
    Was: $13.45
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $13.45
    Now: $12.24
    Was: $13.45
    Subtotal:
  • On Sale
     ARLEN NESS Replacement Breather Bolt Cover Plate - Inverted/Method/Clear Tear/Sidekick - Left - Black 600-060  ARLEN NESS Replacement Breather Bolt Cover Plate - Inverted/Method/Clear Tear/Sidekick - Left - Black 600-060

    ARLEN NESS Replacement Breather Bolt Cover Plate - Inverted/Method/Clear Tear/Sidekick - Left - Black 600-060

    ARLEN NESS

    MSRP: $13.45
    Now: $12.24
    Was: $13.45
    A clean engine bay starts with clean aesthetics. This CNC-machined cover plate eliminates the visual clutter of exposed breather bolts, giving your engine a finished, professional appearance while maintaining full functionality. Whether you're building a...
    10140320
    SKU:
    10140320
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MSRP: $13.45
    Now: $12.24
    Was: $13.45
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $13.45
    Now: $12.24
    Was: $13.45
    Subtotal:
  • On Sale
     ARLEN NESS Replacement Breather Bolt Cover Plate - Inverted/Method/Clear Tear/Sidekick - Left - Chrome 600-061

    ARLEN NESS Replacement Breather Bolt Cover Plate - Inverted/Method/Clear Tear/Sidekick - Left - Chrome 600-061

    ARLEN NESS

    MSRP: $13.45
    Now: $12.24
    Was: $13.45
    A clean engine bay starts with attention to detail. This CNC-machined breather bolt cover plate eliminates unsightly fasteners while maintaining the functional integrity of your Inverted, Method, Clear Tear, or Sidekick model. The chrome finish delivers...
    10140321
    SKU:
    10140321
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MSRP: $13.45
    Now: $12.24
    Was: $13.45
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $13.45
    Now: $12.24
    Was: $13.45
    Subtotal:
  • On Sale
     ARLEN NESS Replacement Breather Bolt Cover Plate - Inverted/Method/Clear Tear/Sidekick - Right - Black 600-062  ARLEN NESS Replacement Breather Bolt Cover Plate - Inverted/Method/Clear Tear/Sidekick - Right - Black 600-062

    ARLEN NESS Replacement Breather Bolt Cover Plate - Inverted/Method/Clear Tear/Sidekick - Right - Black 600-062

    ARLEN NESS

    MSRP: $13.45
    Now: $12.24
    Was: $13.45
    If you're running an Inverted, Method, Clear Tear, or Sidekick setup, exposed breather bolts create visual clutter and detract from an otherwise refined build. This CNC-machined cover plate eliminates that eyesore while protecting critical hardware from...
    10140322
    SKU:
    10140322
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MSRP: $13.45
    Now: $12.24
    Was: $13.45
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $13.45
    Now: $12.24
    Was: $13.45
    Subtotal:
  • On Sale
     ARLEN NESS Replacement Breather Bolt Cover Plate - Inverted/Method/Clear Tear/Sidekick - Right - Chrome 600-063

    ARLEN NESS Replacement Breather Bolt Cover Plate - Inverted/Method/Clear Tear/Sidekick - Right - Chrome 600-063

    ARLEN NESS

    MSRP: $13.45
    Now: $12.24
    Was: $13.45
    A clean engine bay starts with attention to detail. This CNC-machined cover plate conceals unsightly breather bolts while maintaining the professional appearance your custom build deserves. Whether you're running an Inverted, Method, Clear Tear, or...
    10140323
    SKU:
    10140323
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MSRP: $13.45
    Now: $12.24
    Was: $13.45
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $13.45
    Now: $12.24
    Was: $13.45
    Subtotal:
  • On Sale
     ARLEN NESS Replacement Breather Bolt Cover Plate - Inverted/Method/Clear Tear/Sidekick - Left - Black 600-064  ARLEN NESS Replacement Breather Bolt Cover Plate - Inverted/Method/Clear Tear/Sidekick - Left - Black 600-064

    ARLEN NESS Replacement Breather Bolt Cover Plate - Inverted/Method/Clear Tear/Sidekick - Left - Black 600-064

    ARLEN NESS

    MSRP: $13.45
    Now: $12.24
    Was: $13.45
    Breather bolts are functional necessities, but they don't have to look like it. This CNC-machined cover plate from Arlen Ness seamlessly conceals those unsightly fasteners while adding a refined, finished appearance to your engine bay. It's a...
    10140324
    SKU:
    10140324
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MSRP: $13.45
    Now: $12.24
    Was: $13.45
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $13.45
    Now: $12.24
    Was: $13.45
    Subtotal:
  • On Sale
     ARLEN NESS Replacement Breather Bolt Cover Plate - Inverted/Method/Clear Tear/Sidekick - Left - Chrome 600-065

    ARLEN NESS Replacement Breather Bolt Cover Plate - Inverted/Method/Clear Tear/Sidekick - Left - Chrome 600-065

    ARLEN NESS

    MSRP: $13.45
    Now: $12.24
    Was: $13.45
    Exposed breather bolts detract from an otherwise clean engine bay—this CNC-machined cover plate eliminates that visual distraction while protecting critical fasteners from debris and moisture. Designed specifically for Inverted, Method, Clear Tear, and...
    10140325
    SKU:
    10140325
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MSRP: $13.45
    Now: $12.24
    Was: $13.45
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $13.45
    Now: $12.24
    Was: $13.45
    Subtotal:
  • On Sale
     ARLEN NESS Replacement Breather Bolt Cover Plate - Inverted/Method/Clear Tear/Sidekick - Right - Black 600-066  ARLEN NESS Replacement Breather Bolt Cover Plate - Inverted/Method/Clear Tear/Sidekick - Right - Black 600-066

    ARLEN NESS Replacement Breather Bolt Cover Plate - Inverted/Method/Clear Tear/Sidekick - Right - Black 600-066

    ARLEN NESS

    MSRP: $13.45
    Now: $12.24
    Was: $13.45
    Breather bolts are functional necessities, but they don't have to dominate your engine bay aesthetics. This Arlen Ness cover plate delivers a clean, finished look by concealing those exposed fasteners while maintaining the precision engineering your...
    10140326
    SKU:
    10140326
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MSRP: $13.45
    Now: $12.24
    Was: $13.45
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $13.45
    Now: $12.24
    Was: $13.45
    Subtotal:
  • On Sale
     ARLEN NESS Replacement Breather Bolt Cover Plate - Inverted/Method/Clear Tear/Sidekick - Right - Chrome 600-067

    ARLEN NESS Replacement Breather Bolt Cover Plate - Inverted/Method/Clear Tear/Sidekick - Right - Chrome 600-067

    ARLEN NESS

    MSRP: $13.45
    Now: $12.24
    Was: $13.45
    Exposed breather bolts disrupt the clean lines of a custom build and leave functional hardware competing for attention with your design. The ARLEN NESS Replacement Breather Bolt Cover Plate eliminates this visual compromise by concealing bolt hardware...
    10140327
    SKU:
    10140327
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MSRP: $13.45
    Now: $12.24
    Was: $13.45
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $13.45
    Now: $12.24
    Was: $13.45
    Subtotal:
  • On Sale
     ARLEN NESS Monster Sucker Air Cleaner Cover - Drift - Black 600-092

    ARLEN NESS Monster Sucker Air Cleaner Cover - Drift - Black 600-092

    ARLEN NESS

    MSRP: $299.95
    Now: $272.95
    Was: $299.95
    A high-quality air cleaner cover does more than protect your intake system—it completes the aesthetic of your build while maintaining proper airflow dynamics. The ARLEN NESS Monster Sucker Air Cleaner Cover delivers the aggressive "Drift" styling that...
    10140328
    SKU:
    10140328
    Availability:
    Ships Same Business Day
    Weight:
    1.85 LBS
    MSRP: $299.95
    Now: $272.95
    Was: $299.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $299.95
    Now: $272.95
    Was: $299.95
    Subtotal:
  • On Sale
     ARLEN NESS Monster Sucker Air Cleaner Cover - Drift - Black 600-093

    ARLEN NESS Monster Sucker Air Cleaner Cover - Drift - Black 600-093

    ARLEN NESS

    MSRP: $269.95
    Now: $229.27
    Was: $269.95
    If you're running a Monster Sucker air intake kit, this Drift Black cover delivers the aesthetic refinement and protective durability your setup deserves. Forged billet construction withstands thermal cycling and vibration while maintaining a clean,...
    10140329
    SKU:
    10140329
    Availability:
    Ships Same Business Day
    Weight:
    2.10 LBS
    MSRP: $269.95
    Now: $229.27
    Was: $269.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $269.95
    Now: $229.27
    Was: $269.95
    Subtotal:
  • On Sale
     ARLEN NESS Monster Sucker Air Cleaner Cover - Drift - Chrome 600-094

    ARLEN NESS Monster Sucker Air Cleaner Cover - Drift - Chrome 600-094

    ARLEN NESS

    MSRP: $299.95
    Now: $272.95
    Was: $299.95
    A quality air cleaner cover does more than protect your Monster Sucker intake—it completes the aesthetic while maintaining unrestricted airflow for optimal performance. The ARLEN NESS Monster Sucker Air Cleaner Cover in chrome delivers the iconic Drift...
    10140330
    SKU:
    10140330
    Availability:
    Ships Same Business Day
    Weight:
    0.01 LBS
    MSRP: $299.95
    Now: $272.95
    Was: $299.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $299.95
    Now: $272.95
    Was: $299.95
    Subtotal:
  • On Sale
     ARLEN NESS Monster Sucker Air Cleaner Cover - Crossfire - Black 600-095

    ARLEN NESS Monster Sucker Air Cleaner Cover - Crossfire - Black 600-095

    ARLEN NESS

    MSRP: $299.95
    Now: $272.95
    Was: $299.95
    The ARLEN NESS Monster Sucker Air Cleaner Cover elevates the visual impact of your intake system while protecting internal components from debris and moisture. This forged billet cover delivers the aggressive aesthetic serious riders demand, with the...
    10140331
    SKU:
    10140331
    Availability:
    Ships Same Business Day
    Weight:
    0.01 LBS
    MSRP: $299.95
    Now: $272.95
    Was: $299.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $299.95
    Now: $272.95
    Was: $299.95
    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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