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
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FEULING OIL PUMP CORP. EV-6 Series Fuel Injector Adapter 9931
FEULING OIL PUMP CORP.
$22.95If you're upgrading to modern EV6 fuel injectors but running a legacy EV1 harness, this adapter bridges that gap without rewiring your entire fuel system. The Feuling EV-6 Series adapter ensures...10220225- SKU:
- 10220225
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- FUEL INJECTOR ADAPTER
$22.95 -
FEULING OIL PUMP CORP. EV-6 Series Fuel Injector - M8 - 5.3 9934
FEULING OIL PUMP CORP.
$149.95OEM replacements and upgrades available as listed10220229- SKU:
- 10220229
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- PRODUCT NAME:
- FUEL INJECTOR
- FLOW RATE IMPERIAL:
- 42.06 LB/H
- PRODUCT NAME:
- FUEL INJECTOR RACE ONLY
$149.95 -
DAYTONA TWIN TEC LLC Injector - 6.2 Grams 20062
DAYTONA TWIN TEC LLC
$327.95Precision fuel delivery is the foundation of consistent, repeatable performance—and the DAYTONA TWIN TEC LLC Injector delivers exactly that. With a 6.2-gram flow rate and modern injector technology,...10220138- SKU:
- 10220138
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- FLOW RATE IMPERIAL:
- 49.21 LB/H
- RIDING STYLE:
- STREET
- UNITS:
- SET
- SPRAY ANGLE:
- 25°
- PRODUCT NAME:
- FUEL INJECTOR
$327.95 -
DAYTONA TWIN TEC LLC Injector - 7.1 Grams 20071
DAYTONA TWIN TEC LLC
$335.95Precision fuel delivery is the foundation of engine performance, and the DAYTONA TWIN TEC LLC Injector (20071) delivers exactly that with consistent 7.1-gram pulse characteristics built on proven...10220139- SKU:
- 10220139
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- FLOW RATE IMPERIAL:
- 56.35 LB/H
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- FUEL INJECTOR
- SPRAY ANGLE:
- 25°
- UNITS:
- SET
$335.95 -
DAYTONA TWIN TEC LLC Injector - 7.8 Grams 20078
DAYTONA TWIN TEC LLC
$351.95Precision fuel delivery is the foundation of reliable engine performance, especially when you're pushing your build to its limits. The DAYTONA TWIN TEC LLC 7.8-gram injector delivers consistent...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
$361.95Precision fuel delivery is the foundation of consistent engine performance, and the DAYTONA TWIN TEC LLC 8.5-gram injector delivers that reliability with flow characteristics engineered for modern...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
$381.95Precision fuel delivery is the foundation of consistent performance, and the DAYTONA TWIN TEC LLC Injector ensures accurate atomization across your entire RPM range. Whether you're tuning 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
$317.95Precision fuel delivery is the foundation of engine performance, and the DAYTONA TWIN TEC LLC Injector delivers exactly that. This 5.4-gram injector offers the atomization and flow characteristics...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
$317.95 -
DAYTONA TWIN TEC LLC Injector - 6.2 Grams 21062
DAYTONA TWIN TEC LLC
$327.95Precision fuel delivery is non-negotiable in high-performance racing, and the DAYTONA TWIN TEC LLC 6.2-gram injector delivers the metering accuracy your engine demands. Whether you're tuning 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
$331.95Precision fuel delivery is foundational to consistent engine performance, and the DAYTONA TWIN TEC LLC 7.1-gram injector delivers the metering accuracy your fuel system demands. Whether you're tuning...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
$357.95Precision fuel delivery is foundational to consistent engine performance, and the DAYTONA TWIN TEC LLC Injector delivers measurable accuracy across the RPM band. Whether you're tuning a carbureted...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
$361.95Precise fuel delivery is the foundation of consistent performance, and the DAYTONA TWIN TEC LLC Injector puts that control directly in your hands. This 8.5-gram unit is engineered for racers and...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°
$361.95Qty in Cart: 0Quantity:Price:$361.95Subtotal: -
DAYTONA TWIN TEC LLC Injector - 9.2 Grams 21092
DAYTONA TWIN TEC LLC
$371.95Precision fuel delivery is non-negotiable in high-performance racing applications, and the DAYTONA TWIN TEC LLC 9.2-gram injector delivers consistent atomization and flow rates critical for tuning...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
$461.95Precision fuel delivery is non-negotiable in high-performance racing applications, and the DAYTONA TWIN TEC LLC Injector (21106) delivers the exact atomization and flow consistency your engine...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
$292.95Precision fuel delivery is non-negotiable when you're chasing consistent performance across varied engine loads and RPM ranges. The DAYTONA TWIN TEC LLC 3.9-gram injector delivers metered fuel...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
$317.95Precision fuel atomization is critical for consistent combustion and peak engine performance, especially in high-demand racing applications. The DAYTONA TWIN TEC LLC Injector delivers metered fuel...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
$81.27A failing crank position sensor doesn't just trigger a check engine light—it compromises ignition timing, fuel delivery, and throttle response, leaving your V-Rod Screaming Eagle running rough or...10220200- SKU:
- 10220200
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- PRODUCT NAME:
- SENSOR
- TYPE:
- CRANK POSITION
$81.27Qty in Cart: 0Quantity:Price:$81.27Subtotal: -
On Sale
EASTERN MOTORCYCLE PARTS Fuel Injector V-13-225
EASTERN MOTORCYCLE PARTS
MSRP: $114.95Now: $104.60Was: $114.95A fuel injector is critical to your engine's efficiency and performance—it directly controls fuel atomization and combustion timing. If you're experiencing rough idle, hesitation, or poor fuel...10220181- SKU:
- 10220181
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- PRODUCT NAME:
- FUEL INJECTOR
MSRP: $114.95Now: $104.60Was: $114.95 -
FEULING OIL PUMP CORP. EV-1 Series Fuel Injector Adapter 9930
FEULING OIL PUMP CORP.
$19.95The Feuling Oil Pump Corp. EV-1 Series Fuel Injector Adapter 9930 ensures precise fuel delivery and reliable engine performance by providing OEM-specification compatibility with your fuel injection...10220180- 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
$81.27A faulty crank position sensor can cripple engine timing and fuel delivery, leaving your vehicle running rough or refusing to start altogether. The DRAG SPECIALTIES Crank Position Sensor 63903 is a...10220261- SKU:
- 10220261
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- TYPE:
- CRANK POSITION
- UNITS:
- EACH
- PRODUCT NAME:
- SENSOR
- RIDING STYLE:
- STREET
$81.27Qty in Cart: 0Quantity:Price:$81.27Subtotal:
