Feuling PartsIn StockEngine Performance

Feuling High Volume 5.3 g/s Fuel Injector Set - Harley M8

SKU: FEU-9943MPN: 9943•High-Flow Electronic Fuel Injectors
Verified Motorcycle Compatibility:

Harley-Davidson Milwaukee-Eight (2017-2024)

Essential fueling support for modified Milwaukee-Eight engines, ensuring cylinder heads receive finely atomized fuel at peak demand.

Cape Town stock, 1-3 business days delivery
1-Year Limited Manufacturer Warranty
Fitment Guaranteed
Feuling High Volume 5.3 g/s Fuel Injector Set - M8 Engines - Feuling Parts High-Flow Electronic Fuel Injectors (FEU-9943)
Feuling Parts Authentic SpecSKU: FEU-9943
Commercial Fitment Service
Pricing & Availability
Price on Request

Includes currency-adjusted exchange rate, South African customs clearance, and insured door-to-door courier dispatch from Cape Town.

Zero guesswork: We verify motorcycle VIN & engine specs
Authorised supply channel & authentic manufacturer warranty
Direct delivery to your residence or installation workshop

Engineering & Performance Characteristics

Laser-drilled multi-port orifice plates produce fine micro-droplets that vaporize instantly in incoming high-velocity intake airflow.

Engineered Highlights & Performance Gains

  • Flows 5.3 grams per second, providing adequate fuel volume for 110+ horsepower builds
  • Advanced 4-hole precision spray pattern guarantees superior atomization over stock injectors
  • Direct plug-and-play fitment with factory Harley fuel rail and wiring harness
  • Prevents high-RPM fuel starvation on aggressive cam and big-bore conversions

Technical Specifications

Brand & Origin
Feuling Parts
Product SKU / MPN
FEU-9943 / 9943
System Architecture
High-Flow Electronic Fuel Injectors
Material Construction
OEM-Grade Stainless Internal Valves & Composite Housing
Surface Finish
Factory Black Connectors with EV6 Plugs
Sound Profile
Not Applicable - Fueling Hardware
ECU Tuning Status
Tuning Required / Highly Advised
Tuning Guidance
ECU injector scaling calibration mandatory in tuning software.
Manufacturer Warranty
1-Year Limited Manufacturer Warranty
Availability & Dispatch
In Stock (Cape Town stock, 1-3 business days delivery)

Included in Box

  • Pair of 5.3 g/s Fuel Injectors
  • Viton O-Ring Seals
  • Flow Sheet Certification

Verified Fitment List

Confirmed compatible models for Feuling High Volume 5.3 g/s Fuel Injector Set - M8 Engines. Roxstar verifies model, year, and frame clearances prior to dispatch.

M8 SoftailM8 TouringM8 114, 117, 124, 128, 131 Builds
Custom Fitment Consultation

Not sure if your specific model year, engine size, or aftermarket luggage brackets are compatible? Our Cape Town technicians confirm all dimensions before taking payment.

Submit your bike specs for verification →

South African Courier Logistics

All orders are dispatched from our Cape Town hub via fully trackable courier services. We deliver directly to private residences, commercial addresses, or designated motorcycle performance workshops.

Nationwide Transit Times:Western Cape: 1-2 Business Days • Gauteng, KZN & Eastern Cape: 2-3 Business Days

About Feuling Parts

Explore the full range of performance exhaust systems, tuning accessories, and precision engineered components from Feuling Parts.

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Feuling High Volume 5.3 g/s Fuel Injector Set - M8 Engines FAQs

Clear, evidence-backed answers regarding motorcycle exhaust fitment and supply.

How do I request fitment verification and pricing for Feuling High Volume 5.3 g/s Fuel Injector Set - M8 Engines?
Click 'Request Fitment Quote' or call our Cape Town office. Provide your motorcycle make, model, year, and displacement. We confirm VIN compatibility, header sizing, and stock availability before issuing a binding quote.
Does this Feuling Parts system require ECU re-tuning?
Yes. Because this system increases exhaust gas velocity and volumetric efficiency, ECU fuel mapping (such as a dyno tune or autotuner) is recommended to optimize AFR and performance.
What is the delivery timeline for delivery within South Africa?
Cape Town warehouse stock dispatches immediately via courier, arriving within 1 to 3 business days across all South African provinces.
What warranty coverage applies to FEU-9943?
This unit is backed by 1-Year Limited Manufacturer Warranty against manufacturing and material defects, supported directly by Roxstar Performance in South Africa.

Technical & Category Guides

Enquire on Feuling High Volume 5.3 g/s Fuel Injector Set - M8 Engines

Provide your motorcycle make, model, year, and displacement for direct fitment confirmation and an official written quote.