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Harley Fuel Injection Parts

Harley Fuel Injection Parts

Harley Fuel Injection Parts

Harley-Davidson Fuel Injection Parts at JJ Motorsports

Enhance your Harley's EFI system with premium fuel injection parts from JJ Motorsports, featuring throttle bodies, oxygen sensors, high-flow injectors, and MAP sensors for precise fuel delivery and optimized performance on Milwaukee-Eight, Twin Cam, and Touring models. These high-quality components ensure smoother throttle response, better atomization, and dyno-level gains.

Shop Horsepower Inc, ThunderMax, and Feuling Oil Pump Corp fuel injection parts for race-proven reliability. Explore related categories such as Harley air and fuel for air cleaners and jets, or Harley for exhaust and cams to complete your EFI upgrades and unleash V-Twin potential.

Top Harley-Davidson Fuel Injection Parts

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
  • On Sale
    S&S CYCLE Throttle Body - 66mm 124" 170-0348

    S&S CYCLE Throttle Body - 66mm 124" 170-0348

    S&S CYCLE

    MSRP: $995.95
    Now: $989.96
    Was: $995.95
    Requires throttle body specific Stealth air cleaners (available separately) for 58mm and 66mm bodies, Sealed, stainless steel throttle shaft with dual roller bearings for smooth operation and no air leaks, One-piece throttle body/manifold design for easy...
    10220193
    SKU:
    10220193
    Availability:
    Ships Same Business Day
    Weight:
    2.80 LBS
    RIDING STYLE:
    STREET
    BORE SIZE METRIC:
    66.00 MM
    MANIFOLD SIZE:
    417
    PRODUCT NAME:
    THROTTLE BODY
    UNITS:
    KIT
    MSRP: $995.95
    Now: $989.96
    Was: $995.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $995.95
    Now: $989.96
    Was: $995.95
    Subtotal:
  • S&S CYCLE Throttle Body - 58mm 124" 170-0338

    S&S CYCLE Throttle Body - 58mm 124" 170-0338

    S&S CYCLE

    $995.95
    Requires throttle body specific Stealth air cleaners (available separately) for 58mm and 66mm bodies, Sealed, stainless steel throttle shaft with dual roller bearings for smooth operation and no air leaks, One-piece throttle body/manifold design for easy...
    10220183
    SKU:
    10220183
    Availability:
    Ships Same Business Day
    Weight:
    3.25 LBS
    BORE SIZE METRIC:
    58.00 MM
    MANIFOLD SIZE:
    417
    PRODUCT NAME:
    THROTTLE BODY
    RIDING STYLE:
    STREET
    UNITS:
    KIT
    $995.95
    Qty in Cart: 0
    Quantity:
    Price:
    $995.95
    Subtotal:
  • S&S CYCLE Throttle Body - 58mm 111" 170-0339

    S&S CYCLE Throttle Body - 58mm 111" 170-0339

    S&S CYCLE

    $995.95
    Requires throttle body specific Stealth air cleaners (available separately) for 58mm and 66mm bodies, Sealed, stainless steel throttle shaft with dual roller bearings for smooth operation and no air leaks, One-piece throttle body/manifold design for easy...
    10220184
    SKU:
    10220184
    Availability:
    Ships Same Business Day
    Weight:
    3.20 LBS
    BORE SIZE METRIC:
    58.00 MM
    MANIFOLD SIZE:
    398
    UNITS:
    KIT
    PRODUCT NAME:
    THROTTLE BODY
    RIDING STYLE:
    STREET
    $995.95
    Qty in Cart: 0
    Quantity:
    Price:
    $995.95
    Subtotal:
  • S&S CYCLE O2 Sensor - '95-'99 EFI 106-2067

    S&S CYCLE O2 Sensor - '95-'99 EFI 106-2067

    S&S CYCLE

    $399.95
    For Magneti Marelli EFI equipped models
    10220108
    SKU:
    10220108
    Availability:
    Ships Same Business Day
    Weight:
    1.40 LBS
    TYPE:
    NARROW-BAND O2
    OXYGEN SENSOR PLUG SIZE IMPERIAL:
    0.71'
    PRODUCT NAME:
    SENSOR
    UNITS:
    KIT
    RIDING STYLE:
    STREET
    $399.95
    Qty in Cart: 0
    Quantity:
    Price:
    $399.95
    Subtotal:
  • S&S CYCLE Throttle Body - 58mm 170-0337

    S&S CYCLE Throttle Body - 58mm 170-0337

    S&S CYCLE

    $995.95
    Requires throttle body specific Stealth air cleaners (available separately) for 58mm and 66mm bodies, Sealed, stainless steel throttle shaft with dual roller bearings for smooth operation and no air leaks, One-piece throttle body/manifold design for easy...
    10220182
    SKU:
    10220182
    Availability:
    Ships Same Business Day
    Weight:
    3.30 LBS
    BORE SIZE METRIC:
    58.00 MM
    MANIFOLD SIZE:
    410
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    THROTTLE BODY
    UNITS:
    KIT
    $995.95
    Qty in Cart: 0
    Quantity:
    Price:
    $995.95
    Subtotal:
  • S&S CYCLE Throttle Body - 66mm 124" 170-0342

    S&S CYCLE Throttle Body - 66mm 124" 170-0342

    S&S CYCLE

    $995.95
    Requires throttle body specific Stealth air cleaners (available separately) for 58mm and 66mm bodies, Sealed, stainless steel throttle shaft with dual roller bearings for smooth operation and no air leaks, One-piece throttle body/manifold design for easy...
    10220187
    SKU:
    10220187
    Availability:
    Ships Same Business Day
    Weight:
    3.05 LBS
    BORE SIZE METRIC:
    66.00 MM
    MANIFOLD SIZE:
    410
    PRODUCT NAME:
    THROTTLE BODY
    RIDING STYLE:
    STREET
    UNITS:
    KIT
    $995.95
    Qty in Cart: 0
    Quantity:
    Price:
    $995.95
    Subtotal:
  • S&S CYCLE Throttle Body - 58mm 124" 170-0345

    S&S CYCLE Throttle Body - 58mm 124" 170-0345

    S&S CYCLE

    $995.95
    Requires throttle body specific Stealth air cleaners (available separately) for 58mm and 66mm bodies, Sealed, stainless steel throttle shaft with dual roller bearings for smooth operation and no air leaks, One-piece throttle body/manifold design for easy...
    10220190
    SKU:
    10220190
    Availability:
    Ships Same Business Day
    Weight:
    3.30 LBS
    PRODUCT NAME:
    THROTTLE BODY
    BORE SIZE METRIC:
    58.00 MM
    MANIFOLD SIZE:
    417
    RIDING STYLE:
    STREET
    UNITS:
    KIT
    $995.95
    Qty in Cart: 0
    Quantity:
    Price:
    $995.95
    Subtotal:
  • S&S CYCLE Throttle Body - 58mm 170-0346

    S&S CYCLE Throttle Body - 58mm 170-0346

    S&S CYCLE

    $995.95
    Requires throttle body specific Stealth air cleaners (available separately) for 58mm and 66mm bodies, Sealed, stainless steel throttle shaft with dual roller bearings for smooth operation and no air leaks, One-piece throttle body/manifold design for easy...
    10220191
    SKU:
    10220191
    Availability:
    Ships Same Business Day
    Weight:
    3.35 LBS
    UNITS:
    KIT
    BORE SIZE METRIC:
    58.00 MM
    MANIFOLD SIZE:
    405
    PRODUCT NAME:
    THROTTLE BODY
    RIDING STYLE:
    STREET
    $995.95
    Qty in Cart: 0
    Quantity:
    Price:
    $995.95
    Subtotal:
  • S&S CYCLE Throttle Body - 58mm 111" 170-0347

    S&S CYCLE Throttle Body - 58mm 111" 170-0347

    S&S CYCLE

    $995.95
    Requires throttle body specific Stealth air cleaners (available separately) for 58mm and 66mm bodies, Sealed, stainless steel throttle shaft with dual roller bearings for smooth operation and no air leaks, One-piece throttle body/manifold design for easy...
    10220192
    SKU:
    10220192
    Availability:
    Ships Same Business Day
    Weight:
    3.30 LBS
    MANIFOLD SIZE:
    398
    UNITS:
    KIT
    BORE SIZE METRIC:
    58.00 MM
    PRODUCT NAME:
    THROTTLE BODY
    RIDING STYLE:
    STREET
    $995.95
    Qty in Cart: 0
    Quantity:
    Price:
    $995.95
    Subtotal:
  • S&S CYCLE Throttle Body - 66mm 170-0349

    S&S CYCLE Throttle Body - 66mm 170-0349

    S&S CYCLE

    $995.95
    Requires throttle body specific Stealth air cleaners (available separately) for 58mm and 66mm bodies, Sealed, stainless steel throttle shaft with dual roller bearings for smooth operation and no air leaks, One-piece throttle body/manifold design for easy...
    10220194
    SKU:
    10220194
    Availability:
    Ships Same Business Day
    Weight:
    2.90 LBS
    RIDING STYLE:
    STREET
    UNITS:
    KIT
    MANIFOLD SIZE:
    405
    BORE SIZE METRIC:
    66.00 MM
    PRODUCT NAME:
    THROTTLE BODY
    $995.95
    Qty in Cart: 0
    Quantity:
    Price:
    $995.95
    Subtotal:
  • STANDARD MOTOR PRODUCTS Fuel Injector MC-INJ3

    STANDARD MOTOR PRODUCTS Fuel Injector MC-INJ3

    STANDARD MOTOR PRODUCTS

    $84.95
    OEM replacement parts
    10220077
    SKU:
    10220077
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    PRODUCT NAME:
    FUEL INJECTOR
    UNITS:
    EACH
    FLOW RATE IMPERIAL:
    31.75 LB/H
    RIDING STYLE:
    STREET
    Qty in Cart: 0
    Quantity:
    Price:
    $84.95
    Subtotal:
  • FEULING OIL PUMP CORP. Fuel Injector 9942

    FEULING OIL PUMP CORP. Fuel Injector 9942

    FEULING OIL PUMP CORP.

    $99.95
    OEM replacements and upgrades available as listed
    10220114
    SKU:
    10220114
    Availability:
    Ships Same Business Day
    Weight:
    1.69 LBS
    PRODUCT NAME:
    FUEL INJECTOR
    PRODUCT NAME:
    FUEL INJECTOR RACE ONLY
    FLOW RATE IMPERIAL:
    38.89 LB/H
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    $99.95
    Qty in Cart: 0
    Quantity:
    Price:
    $99.95
    Subtotal:
  • DRAG SPECIALTIES Crank Position Sensor - '00 Softail 63704

    DRAG SPECIALTIES Crank Position Sensor - '00 Softail 63704

    DRAG SPECIALTIES

    $85.23
    High-quality replacement sensors
    10220201
    SKU:
    10220201
    Availability:
    Ships Same Business Day
    Weight:
    0.14 LBS
    TYPE:
    CRANK POSITION
    UNITS:
    EACH
    PRODUCT NAME:
    SENSOR
    RIDING STYLE:
    STREET
    Qty in Cart: 0
    Quantity:
    Price:
    $85.23
    Subtotal:
  • DRAG SPECIALTIES Crank Position Sensor - '04-'05 XL 63699

    DRAG SPECIALTIES Crank Position Sensor - '04-'05 XL 63699

    DRAG SPECIALTIES

    $85.23
    High-quality replacement sensors
    10220199
    SKU:
    10220199
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    TYPE:
    CRANK POSITION
    UNITS:
    EACH
    PRODUCT NAME:
    SENSOR
    RIDING STYLE:
    STREET
    Qty in Cart: 0
    Quantity:
    Price:
    $85.23
    Subtotal:
  • DRAG SPECIALTIES Crank Position Sensor - '95-'98 63698

    DRAG SPECIALTIES Crank Position Sensor - '95-'98 63698

    DRAG SPECIALTIES

    $93.55
    High-quality replacement sensors
    10220198
    SKU:
    10220198
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    PRODUCT NAME:
    SENSOR
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    TYPE:
    CRANK POSITION
    Qty in Cart: 0
    Quantity:
    Price:
    $93.55
    Subtotal:
  • DRAG SPECIALTIES Crank Position Sensor - '99 FLT 63697

    DRAG SPECIALTIES Crank Position Sensor - '99 FLT 63697

    DRAG SPECIALTIES

    $85.23
    High-quality replacement sensors
    10220197
    SKU:
    10220197
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    UNITS:
    EACH
    TYPE:
    CRANK POSITION
    PRODUCT NAME:
    SENSOR
    RIDING STYLE:
    STREET
    Qty in Cart: 0
    Quantity:
    Price:
    $85.23
    Subtotal:
  • DRAG SPECIALTIES Crank Position Sensor 63672

    DRAG SPECIALTIES Crank Position Sensor 63672

    DRAG SPECIALTIES

    $89.39
    High-quality replacement sensors
    10220202
    SKU:
    10220202
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    TYPE:
    CRANK POSITION
    UNITS:
    EACH
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    SENSOR
    Qty in Cart: 0
    Quantity:
    Price:
    $89.39
    Subtotal:
  • DRAG SPECIALTIES Crank Position Sensor - '04-'05 FXD 63713

    DRAG SPECIALTIES Crank Position Sensor - '04-'05 FXD 63713

    DRAG SPECIALTIES

    $89.39
    High-quality replacement sensors
    10220204
    SKU:
    10220204
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    TYPE:
    CRANK POSITION
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    SENSOR
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $89.39
    Subtotal:
  • Total: items /

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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.

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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!

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