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
- Horsepower Inc Throttle Body Black 51mm 1.71 HPI-51D1-17B – 51mm black throttle body for M8 engines; direct-fit with improved flow for throttle-by-wire setups.
- ThunderMax Oxygen Sensor 309-355 – Wideband O2 sensor for ThunderMax EFI; precise air/fuel monitoring for self-tuning systems.
- Feuling Oil Pump Corp EV 6 Series Fuel Injector M8 6-1 9935 – EV6 injector for Milwaukee-Eight; high-flow for increased fuel delivery on modified Harleys.
- Feuling Oil Pump Corp MAP Sensor 9953 – Manifold absolute pressure sensor; accurate boost/vacuum readings for EFI tuning.
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
MSRP: $995.95Now: $989.96Was: $995.95Requires 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: $995.95Now: $989.96Was: $995.95 -
S&S CYCLE Throttle Body - 58mm 124" 170-0338
S&S CYCLE
$995.95Requires 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 -
S&S CYCLE Throttle Body - 58mm 111" 170-0339
S&S CYCLE
$995.95Requires 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 -
S&S CYCLE O2 Sensor - '95-'99 EFI 106-2067
S&S CYCLE
$399.95For Magneti Marelli EFI equipped models10220108- 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 -
S&S CYCLE Throttle Body - 58mm 170-0337
S&S CYCLE
$995.95Requires 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 -
S&S CYCLE Throttle Body - 66mm 124" 170-0342
S&S CYCLE
$995.95Requires 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 -
S&S CYCLE Throttle Body - 58mm 124" 170-0345
S&S CYCLE
$995.95Requires 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 -
S&S CYCLE Throttle Body - 58mm 170-0346
S&S CYCLE
$995.95Requires 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 -
S&S CYCLE Throttle Body - 58mm 111" 170-0347
S&S CYCLE
$995.95Requires 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 -
S&S CYCLE Throttle Body - 66mm 170-0349
S&S CYCLE
$995.95Requires 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 -
STANDARD MOTOR PRODUCTS Fuel Injector MC-INJ3
STANDARD MOTOR PRODUCTS
$84.95OEM replacement parts10220077- 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
$84.95Qty in Cart: 0Quantity:Price:$84.95Subtotal: -
FEULING OIL PUMP CORP. Fuel Injector 9942
FEULING OIL PUMP CORP.
$99.95OEM replacements and upgrades available as listed10220114- 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 -
DRAG SPECIALTIES Crank Position Sensor - '00 Softail 63704
DRAG SPECIALTIES
$85.23High-quality replacement sensors10220201- SKU:
- 10220201
- Availability:
- Ships Same Business Day
- Weight:
- 0.14 LBS
- TYPE:
- CRANK POSITION
- UNITS:
- EACH
- PRODUCT NAME:
- SENSOR
- RIDING STYLE:
- STREET
$85.23Qty in Cart: 0Quantity:Price:$85.23Subtotal: -
DRAG SPECIALTIES Crank Position Sensor - '04-'05 XL 63699
DRAG SPECIALTIES
$85.23High-quality replacement sensors10220199- SKU:
- 10220199
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- TYPE:
- CRANK POSITION
- UNITS:
- EACH
- PRODUCT NAME:
- SENSOR
- RIDING STYLE:
- STREET
$85.23Qty in Cart: 0Quantity:Price:$85.23Subtotal: -
DRAG SPECIALTIES Crank Position Sensor - '95-'98 63698
DRAG SPECIALTIES
$93.55High-quality replacement sensors10220198- SKU:
- 10220198
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- PRODUCT NAME:
- SENSOR
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- TYPE:
- CRANK POSITION
$93.55Qty in Cart: 0Quantity:Price:$93.55Subtotal: -
DRAG SPECIALTIES Crank Position Sensor - '99 FLT 63697
DRAG SPECIALTIES
$85.23High-quality replacement sensors10220197- SKU:
- 10220197
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- UNITS:
- EACH
- TYPE:
- CRANK POSITION
- PRODUCT NAME:
- SENSOR
- RIDING STYLE:
- STREET
$85.23Qty in Cart: 0Quantity:Price:$85.23Subtotal: -
DRAG SPECIALTIES Crank Position Sensor 63672
DRAG SPECIALTIES
$89.39High-quality replacement sensors10220202- SKU:
- 10220202
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- TYPE:
- CRANK POSITION
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SENSOR
$89.39Qty in Cart: 0Quantity:Price:$89.39Subtotal: -
DRAG SPECIALTIES Crank Position Sensor - '04-'05 FXD 63713
DRAG SPECIALTIES
$89.39High-quality replacement sensors10220204- SKU:
- 10220204
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- TYPE:
- CRANK POSITION
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SENSOR
- UNITS:
- EACH
$89.39Qty in Cart: 0Quantity:Price:$89.39Subtotal: