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
-
DAYTONA TWIN TEC LLC Injector - 7.8 Grams 20078
DAYTONA TWIN TEC LLC
$351.95Detailed test report included with each set, Made using the latest injector technology, Made in the U.S.A.10220140- SKU:
- 10220140
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- UNITS:
- SET
- RIDING STYLE:
- STREET
- FLOW RATE IMPERIAL:
- 61.91 LB/H
- PRODUCT NAME:
- FUEL INJECTOR
- SPRAY ANGLE:
- 25°
$351.95 -
DAYTONA TWIN TEC LLC Injector - 8.5 Grams 20085
DAYTONA TWIN TEC LLC
$361.95Detailed test report included with each set, Made using the latest injector technology, Made in the U.S.A.10220141- SKU:
- 10220141
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- UNITS:
- SET
- PRODUCT NAME:
- FUEL INJECTOR
- SPRAY ANGLE:
- 25°
- FLOW RATE IMPERIAL:
- 67.46 LB/H
- RIDING STYLE:
- STREET
$361.95 -
DAYTONA TWIN TEC LLC Injector - 9.2 Grams 20092
DAYTONA TWIN TEC LLC
$381.95Detailed test report included with each set, Made using the latest injector technology, Made in the U.S.A.10220142- SKU:
- 10220142
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- FLOW RATE IMPERIAL:
- 73.02 LB/H
- RIDING STYLE:
- STREET
- UNITS:
- SET
- SPRAY ANGLE:
- 25°
- PRODUCT NAME:
- FUEL INJECTOR
$381.95Qty in Cart: 0Quantity:Price:$381.95Subtotal: -
DAYTONA TWIN TEC LLC Injector - 5.4 Grams 21054
DAYTONA TWIN TEC LLC
$317.95Detailed test report included with each set, Made using the latest injector technology, Made in the U.S.A.10220145- SKU:
- 10220145
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- FLOW RATE IMPERIAL:
- 42.86 LB/H
- RIDING STYLE:
- STREET
- SPRAY ANGLE:
- 18°
- UNITS:
- SET
- PRODUCT NAME:
- FUEL INJECTOR
$317.95Qty in Cart: 0Quantity:Price:$317.95Subtotal: -
DAYTONA TWIN TEC LLC Injector - 6.2 Grams 21062
DAYTONA TWIN TEC LLC
$327.95Detailed test report included with each set, Made using the latest injector technology, Made in the U.S.A.10220146- SKU:
- 10220146
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- FLOW RATE IMPERIAL:
- 49.21 LB/H
- RIDING STYLE:
- STREET
- SPRAY ANGLE:
- 18°
- UNITS:
- SET
- PRODUCT NAME:
- FUEL INJECTOR
$327.95 -
DAYTONA TWIN TEC LLC Injector - 7.1 Grams 21071
DAYTONA TWIN TEC LLC
$331.95Detailed test report included with each set, Made using the latest injector technology, Made in the U.S.A.10220147- SKU:
- 10220147
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- RIDING STYLE:
- STREET
- UNITS:
- SET
- FLOW RATE IMPERIAL:
- 56.35 LB/H
- SPRAY ANGLE:
- 18°
- PRODUCT NAME:
- FUEL INJECTOR
$331.95 -
DAYTONA TWIN TEC LLC Injector - 7.8 Grams 21078
DAYTONA TWIN TEC LLC
$357.95Detailed test report included with each set, Made using the latest injector technology, Made in the U.S.A.10220148- SKU:
- 10220148
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- FLOW RATE IMPERIAL:
- 61.91 LB/H
- PRODUCT NAME:
- FUEL INJECTOR
- SPRAY ANGLE:
- 18°
- UNITS:
- SET
- RIDING STYLE:
- STREET
$357.95Qty in Cart: 0Quantity:Price:$357.95Subtotal: -
DAYTONA TWIN TEC LLC Injector - 8.5 Grams 21085
DAYTONA TWIN TEC LLC
$361.95Detailed test report included with each set, Made using the latest injector technology, Made in the U.S.A.10220149- SKU:
- 10220149
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- FLOW RATE IMPERIAL:
- 67.46 LB/H
- RIDING STYLE:
- STREET
- UNITS:
- SET
- PRODUCT NAME:
- FUEL INJECTOR
- SPRAY ANGLE:
- 18°
$361.95 -
DAYTONA TWIN TEC LLC Injector - 9.2 Grams 21092
DAYTONA TWIN TEC LLC
$371.95Detailed test report included with each set, Made using the latest injector technology, Made in the U.S.A.10220150- SKU:
- 10220150
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- RIDING STYLE:
- STREET
- SPRAY ANGLE:
- 18°
- UNITS:
- SET
- FLOW RATE IMPERIAL:
- 73.02 LB/H
- PRODUCT NAME:
- FUEL INJECTOR
$371.95 -
DAYTONA TWIN TEC LLC Injector - 10.6 Grams 21106
DAYTONA TWIN TEC LLC
$461.95Detailed test report included with each set, Made using the latest injector technology, Made in the U.S.A.10220152- SKU:
- 10220152
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- FLOW RATE IMPERIAL:
- 84.13 LB/H
- RIDING STYLE:
- STREET
- SPRAY ANGLE:
- 18°
- UNITS:
- SET
- PRODUCT NAME:
- FUEL INJECTOR
$461.95 -
DAYTONA TWIN TEC LLC Injector - 3.9 Grams 20039
DAYTONA TWIN TEC LLC
$292.95Detailed test report included with each set, Made using the latest injector technology, Made in the U.S.A.10220136- SKU:
- 10220136
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- UNITS:
- SET
- FLOW RATE IMPERIAL:
- 30.95 LB/H
- PRODUCT NAME:
- FUEL INJECTOR
- SPRAY ANGLE:
- 25°
- RIDING STYLE:
- STREET
$292.95 -
DAYTONA TWIN TEC LLC Injector - 5.4 Grams 20054
DAYTONA TWIN TEC LLC
$317.95Detailed test report included with each set, Made using the latest injector technology, Made in the U.S.A.10220137- SKU:
- 10220137
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- RIDING STYLE:
- STREET
- UNITS:
- SET
- FLOW RATE IMPERIAL:
- 42.86 LB/H
- PRODUCT NAME:
- FUEL INJECTOR
- SPRAY ANGLE:
- 25°
$317.95 -
DRAG SPECIALTIES Crank Position Sensor - V-Rod Screaming Eagle 63700
DRAG SPECIALTIES
$78.99High-quality replacement sensors10220200- SKU:
- 10220200
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- PRODUCT NAME:
- SENSOR
- TYPE:
- CRANK POSITION
$78.99 -
EASTERN MOTORCYCLE PARTS Fuel Injector V-13-225
EASTERN MOTORCYCLE PARTS
$114.95Meets OE stock specifications, EV-6 USCAR connector10220181- SKU:
- 10220181
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- PRODUCT NAME:
- FUEL INJECTOR
$114.95 -
FEULING OIL PUMP CORP. EV-1 Series Fuel Injector Adapter 9930
FEULING OIL PUMP CORP.
$19.95OEM replacement10220180- SKU:
- 10220180
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- FUEL INJECTOR ADAPTER
- UNITS:
- EACH
$19.95 -
DRAG SPECIALTIES Crank Position Sensor 63903
DRAG SPECIALTIES
$78.99High-quality replacement sensors10220261- SKU:
- 10220261
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- TYPE:
- CRANK POSITION
- UNITS:
- EACH
- PRODUCT NAME:
- SENSOR
- RIDING STYLE:
- STREET
$78.99 -
On Sale
S&S CYCLE Air Control Motor Idle 55-5085
S&S CYCLE
MSRP: $163.95Now: $147.56Was: $163.95For single bore throttle bodies10220209- SKU:
- 10220209
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- RIDING STYLE:
- STREET
- BASE COLOR:
- BLACK
- TYPE:
- IDLE AIR CONTROL
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- MOTOR KIT
MSRP: $163.95Now: $147.56Was: $163.95 -
On Sale
S&S CYCLE Air Intake Sensor 55-5041
S&S CYCLE
MSRP: $109.95Now: $98.96Was: $109.95For single bore throttle bodies10220211- SKU:
- 10220211
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- TYPE:
- AIR TEMPERATURE
- PRODUCT NAME:
- SENSOR
MSRP: $109.95Now: $98.96Was: $109.95 -
On Sale
S&S CYCLE Throttle Body - 58mm 117" 170-0340
S&S CYCLE
MSRP: $995.95Now: $896.36Was: $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...10220185- SKU:
- 10220185
- Availability:
- Ships Same Business Day
- Weight:
- 3.20 LBS
- BORE SIZE METRIC:
- 58.00 MM
- PRODUCT NAME:
- THROTTLE BODY
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- MANIFOLD SIZE:
- 408
MSRP: $995.95Now: $896.36Was: $995.95 -
On Sale
S&S CYCLE Throttle Body - 66mm 170-0341
S&S CYCLE
MSRP: $995.95Now: $896.36Was: $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...10220186- SKU:
- 10220186
- Availability:
- Ships Same Business Day
- Weight:
- 3.05 LBS
- UNITS:
- KIT
- BORE SIZE METRIC:
- 66.00 MM
- MANIFOLD SIZE:
- 417
- PRODUCT NAME:
- THROTTLE BODY
- RIDING STYLE:
- STREET
MSRP: $995.95Now: $896.36Was: $995.95
