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
- TODD'S CYCLE Mikuni Choke Bracket - Stainless MKE-1 – Relocates enrichener cable for HSR carbs, made in the U.S.A.
- PAUGHCO Ribbed Teardrop Air Cleaner 701-200 – Chrome-plated aluminum with mini filter and hardware.
- VANCE & HINES VO2 America Air Cleaner - M8 42045FG – High-flow with CNC billet cover and ARP hardware.
- UNI FILTER Old Style Air Cleaner - 6" NU-2439 – Polyurethane for maximum airflow and filtration.
- PINGEL Round Fuel Valve - Flag Chrome - 22mm 6311CRL – High-flow brass valve with adapter nut.
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
JOKER MACHINE Smooth Joker Gas Cap - Clear 10-442S
JOKER MACHINE
MSRP: $84.95Now: $76.46Was: $84.95If you're tired of wrestling with a stock gas cap that's difficult to grip and remove, the JOKER MACHINE Smooth Joker Gas Cap delivers the precision engineering and ergonomic design that separates quality parts from the rest. This CNC-machined billet...07030378- SKU:
- 07030378
- Availability:
- Ships Same Business Day
- Weight:
- 0.37 LBS
- BASE FINISH:
- ANODIZED
- COLOR/FINISH:
- CLEAR
- COLOR/FINISH:
- SILVER
- MATERIAL:
- CNC BILLET ALUMINUM
- OUTSIDE DIAMETER IMPERIAL:
- 3'
- BASE COLOR:
- SILVER
- OUTSIDE DIAMETER METRIC:
- 76.2 MM
- OVERALL THICKNESS IMPERIAL:
- 9/16'
- RIDING STYLE:
- STREET
- STYLE:
- SMOOTH
- MODEL:
- SERRATED SERIES
- OVERALL THICKNESS METRIC:
- 14.3 MM
- PRODUCT NAME:
- FUEL CAP
- TYPE:
- VENTED
- MOUNTING STYLE:
- RIGHT-HAND THREAD
- UNITS:
- EACH
MSRP: $84.95Now: $76.46Was: $84.95 -
On Sale
JOKER MACHINE Joker Gas Cap - Black 10-441B
JOKER MACHINE
MSRP: $84.95Now: $76.46Was: $84.95A quality gas cap might seem like a minor detail, but constantly fumbling with a smooth-sided stock cap wastes time and frustration—especially in the pits or during track days. The JOKER MACHINE Joker Gas Cap eliminates this hassle with purposeful...07030352- SKU:
- 07030352
- Availability:
- Ships Same Business Day
- Weight:
- 0.34 LBS
- BASE COLOR:
- BLACK
- MOUNTING STYLE:
- RIGHT-HAND THREAD
- OUTSIDE DIAMETER METRIC:
- 76.2 MM
- OVERALL THICKNESS IMPERIAL:
- 9/16'
- BASE FINISH:
- ANODIZED
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- SILVER
- MATERIAL:
- CNC BILLET ALUMINUM
- OUTSIDE DIAMETER IMPERIAL:
- 3'
- OVERALL THICKNESS METRIC:
- 14.3 MM
- STYLE:
- JOKER™
- TYPE:
- VENTED
- MODEL:
- SERRATED SERIES
- PRODUCT NAME:
- FUEL CAP
- RIDING STYLE:
- STREET
- UNITS:
- EACH
MSRP: $84.95Now: $76.46Was: $84.95 -
On Sale
JOKER MACHINE Smooth Gas Cap - Black 10-442B
JOKER MACHINE
MSRP: $84.95Now: $76.46Was: $84.95A quality gas cap is one of those details that separates a dialed-in machine from a neglected one. The JOKER MACHINE Smooth Gas Cap cuts the frustration of wrestling with a stock cap while delivering a genuinely clean aesthetic that complements modern...07030353- SKU:
- 07030353
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- BASE COLOR:
- BLACK
- MOUNTING STYLE:
- RIGHT-HAND THREAD
- PRODUCT NAME:
- FUEL CAP
- UNITS:
- EACH
- BASE FINISH:
- ANODIZED
- MODEL:
- SERRATED SERIES
- OVERALL THICKNESS METRIC:
- 14.3 MM
- TYPE:
- VENTED
- MATERIAL:
- CNC BILLET ALUMINUM
- OUTSIDE DIAMETER METRIC:
- 76.2 MM
- OVERALL THICKNESS IMPERIAL:
- 9/16'
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- OUTSIDE DIAMETER IMPERIAL:
- 3'
- STYLE:
- SMOOTH
MSRP: $84.95Now: $76.46Was: $84.95 -
DRAG SPECIALTIES Air Temperature Sensor MC-DRAG039
DRAG SPECIALTIES
$81.57Accurate air temperature readings are critical for precise fuel mapping and ignition timing in high-performance engines. A faulty air temperature sensor causes rich or lean conditions, costing you horsepower and reliability on the track or street. The...DS289144- SKU:
- DS289144
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- PRODUCT NAME:
- SENSOR
- BASE COLOR:
- BLACK
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- TYPE:
- AIR TEMPERATURE
$81.57 -
DRAG SPECIALTIES Tune Up Kit - '48-'69 Big Twin/ '57-'70 XLH MC-DRAG011
DRAG SPECIALTIES
$17.07A reliable ignition system is the foundation of consistent engine performance, and worn contact sets or a compromised condenser will leave you stranded or unreliable on the track. This DRAG SPECIALTIES Tune Up Kit delivers OEM-spec components engineered...DS242027- SKU:
- DS242027
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- PRODUCT NAME:
- TUNEUP KIT
- RIDING STYLE:
- STREET
- UNITS:
- KIT
$17.07 -
DRAG SPECIALTIES Throttle Position Sensor MC-DRAG058
DRAG SPECIALTIES
$68.85A faulty throttle position sensor compromises throttle response, fuel delivery precision, and overall engine performance—critical issues for both street and track applications. The DRAG Specialties MC-DRAG058 is an OEM-specification replacement that...21031002- SKU:
- 21031002
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- PRODUCT NAME:
- THROTTLE POSITION SENSOR
- RIDING STYLE:
- STREET
- BASE COLOR:
- BLACK
- UNITS:
- EACH
$68.85 -
DRAG SPECIALTIES Air Control Motor Idle MC-DRAG063
DRAG SPECIALTIES
$78.06If your idle is hunting or unstable, a faulty air control motor can be the culprit—and it's one of the most common causes of rough idling on stock Harley engines. The DRAG Specialties Air Control Motor is a direct OEM replacement that restores smooth,...10220084- SKU:
- 10220084
- Availability:
- Ships Same Business Day
- Weight:
- 0.32 LBS
- PRODUCT NAME:
- CONTROL MODULE
- RIDING STYLE:
- STREET
- TYPE:
- IDLE AIR
- UNITS:
- EACH
$78.06 -
DRAG SPECIALTIES Throttle Position Sensor MC-DRAG078
DRAG SPECIALTIES
$45.96A faulty throttle position sensor compromises throttle response and fuel mapping, degrading both drivability and performance. The DRAG SPECIALTIES MC-DRAG078 is a direct OEM replacement that restores precise throttle signal accuracy to your engine...10220021- SKU:
- 10220021
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- TYPE:
- THROTTLE POSITION
- PRODUCT NAME:
- SENSOR
$45.96Qty in Cart: 0Quantity:Price:$45.96Subtotal: -
DRAG SPECIALTIES Air Controller Idle MC-DRAG080
DRAG SPECIALTIES
$67.36If your idle is hunting, surging, or unstable, an air controller malfunction is often the culprit—and this OEM replacement restores precise idle quality and fuel efficiency without aftermarket guesswork. The DRAG Specialties Air Controller MC-DRAG080 is...10220022- SKU:
- 10220022
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- PRODUCT NAME:
- CONTROL MODULE
- TYPE:
- IDLE AIR
- UNITS:
- EACH
- RIDING STYLE:
- STREET
$67.36 -
DRAG SPECIALTIES Intake Flange Kit - Chrome - '86-'05 59-432-PB
DRAG SPECIALTIES
$34.19Stock intake flanges deteriorate over time, leading to air leaks, rough idle, and loss of combustion efficiency. This Drag Specialties chrome replacement kit restores a proper seal at the intake manifold while upgrading your engine bay with polished,...DS289212- SKU:
- DS289212
- Availability:
- Ships Same Business Day
- Weight:
- 0.32 LBS
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
- TYPE:
- SINGLE BORE
- UNITS:
- SET
- PRODUCT NAME:
- FLANGE INTAKE
- BASE FINISH:
- CHROME
$34.19 -
DRAG SPECIALTIES Crankcase Breather Kit - '91-'06 XL 120087-BC514
DRAG SPECIALTIES
$119.79A properly functioning crankcase breather system is essential for protecting your engine and maximizing performance on late-model XL platforms. This complete kit eliminates the complexity of retrofitting aftermarket air cleaners by providing all...DS289126- SKU:
- DS289126
- Availability:
- Ships Same Business Day
- Weight:
- 1.81 LBS
- BASE COLOR:
- SILVER
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- CRANKCASE BREATHER/SUPPORT BRACKET KIT
- UNITS:
- KIT
$119.79 -
DRAG SPECIALTIES Accelerator Pump for/Bendix Carburetor 012619-HC3
DRAG SPECIALTIES
$14.93A worn or failing accelerator pump can leave you struggling with hesitation and flat spots off the line—exactly what you can't afford in competition or street driving. This Drag Specialties unit for Bendix carburetors restores crisp throttle response and...DS289097- SKU:
- DS289097
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- RIDING STYLE:
- STREET
- TYPE:
- CARBURETOR
- PRODUCT NAME:
- ACCELERATOR PUMP
- UNITS:
- EACH
$14.93 -
DRAG SPECIALTIES Air Cleaner with Breather - '93-'17 Big Twin 120049-BC315
DRAG SPECIALTIES
$88.76Upgrading 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 -
DRAG SPECIALTIES Air Cleaner Bracket - XL '88-'06 120046-BC315
DRAG SPECIALTIES
$48.10A 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 -
DRAG SPECIALTIES Carburetor Support Breather - '93-'14 Big Twin 120084-BC514
DRAG SPECIALTIES
$128.35If 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 -
DRAG SPECIALTIES Round Air Cleaner - Bendix/Keihin Carburetor - 7" 121093-BX-LB2
DRAG SPECIALTIES
$57.73A 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 -
DRAG SPECIALTIES Carburetor Support Bracket - Big Twin '84-'89 121143-BC315
DRAG SPECIALTIES
$32.05A 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
$32.05Qty in Cart: 0Quantity:Price:$32.05Subtotal: -
DRAG SPECIALTIES One-Piece Gas Tank Mounting Kit 346103-PB-LB1
DRAG SPECIALTIES
$83.69A 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 -
DRAG SPECIALTIES Replacement Mounting Kit 345283-HC4
DRAG SPECIALTIES
$104.89If 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
$104.89Qty in Cart: 0Quantity:Price:$104.89Subtotal: -
DRAG SPECIALTIES Flat Side Tank Mounting Kit 345270-HC4
DRAG SPECIALTIES
$121.85A 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
