Feuling
Feuling is a trusted name in Harley-Davidson performance, specializing in precision-engineered engine and oiling components. Known for Race Series oil systems, camchest kits and high-performance valvetrain hardware, Feuling Parts delivers solutions built for reliability and power. Riders and builders rely on Feuling Parts for Twin Cam, Milwaukee-Eight, Evolution engine platforms. The brand is focused on improving oil flow, engine longevity and consistent performance under demanding real-world riding conditions.
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Feuling - EV-6 USCAR Series Electronic Fuel-Injector 3.91 g/s (Repl. OEM #27709-06/A)
Feuling
$99.95Feuling - EV-6 USCAR Series Electronic Fuel-Injector 3.91 g/s (Repl. OEM #27709-06/A) This injector is an OEM stock replacement for models W/ Original Equipment 46mm throttle body (updated 25°...$99.95 -
Feuling - EV-1 Minimeter Square Series Electronic Fuel Injector 4.3 g/s (Repl. OEM #27609-01A/B)
Feuling
$99.95Feuling - EV-1 Minimeter Square Series Electronic Fuel Injector 4.3 g/s (Repl. OEM #27609-01A/B) This injector is an OEM stock replacement (Except XL/V-Rod), 46mm, OEM 55mm, Screamin' Eagle 43mm...$99.95 -
Feuling - EV-6 USCAR Series Electronic Fuel-Injector 4.9 g/s (Repl. OEM #27654-06)
Feuling
$99.95Feuling - EV-6 USCAR Series Electronic Fuel-Injector 4.9 g/s - for RACE USE ONLY (Repl. OEM #27654-06) This injector delivers 25% more fuel than OE and has three spray holes. It is built for race...$99.95 -
Feuling - EV-1 Minimeter Square Series Electronic Fuel Injector 5.7+ g/s (Repl. OEM #27617-08)
Feuling
$99.95Feuling - EV-1 Minimeter Square Series Electronic Fuel Injector 5.7+ g/s - For RACE USE ONLY(Repl. OEM #27617-08) This injector is for Screamin' Eagle 58mm throttle body and high flow oval-port...$99.95 -
Feuling - EV-6 USCAR Series Electronic Fuel-Injector 6.2 g/s (Repl. OEM #27400004)
Feuling
$119.95Feuling - EV-6 USCAR Series Electronic Fuel-Injector 6.2 g/s - for RACE USE ONLY (Repl. OEM #27400004) This injector delivers 59% more fuel than OE. It is for race applications only with over 120hp...$119.95 -
Feuling - EV-1 Minimeter Square Series Electronic Fuel Injector 3.8 g/s (Repl. OEM #27706-07/A)
Feuling
$99.95Feuling - EV-1 Minimeter Square Series Electronic Fuel Injector 3.8 g/s (Repl. OEM #27706-07/A) This injector is an XL OEM replacement for stock to mild performance engines. The injector is...$99.95 -
Feuling - EV-1 Minimeter Square Series Electronic Fuel Injector 5.1 g/s (Repl. OEM #27665-01/A)
Feuling
$129.95Feuling - EV-1 Minimeter Square Series Electronic Fuel Injector 5.1 g/s (Repl. OEM #27665-01/A) This injector is a V-Rod stock replacement. It is a perfect performing injector for XL and Twin Cam...$129.95 -
Feuling - EV-6 USCAR Series Electronic Fuel-Injector 5.3 g/s - for RACE USE ONLY
Feuling
$97.95Feuling - EV-6 USCAR Series Electronic Fuel-Injector 5.3 g/s - for RACE USE ONLY This injector delivers 25% more fuel than the OE injectors via four spray holes with a dual pattern; 13°/6°...$97.95 -
Feuling - EV-1 Minimeter Square Series Electronic Fuel-Injector 8.2 g/s - fits Race-Only Engines
Feuling
$119.95Feuling - EV-1 Minimeter Square Series Electronic Fuel-Injector 8.2 g/s - fits Race-Only Engines Features Quality OEM replacements and upgrades available as listed Sold...$119.95 -
Feuling - Injector Adapter - Adapts EV6 Plug To Fit EV1 Injector
Feuling
$19.95Feuling - Injector Adapter - Adapts EV6 Plug To Fit EV1 Injector Sold each. Made in the U.S.A.$19.95 -
Feuling - Injector Adapter - Adapts EV1 Injector Connectors to EV6 Injectors
Feuling
$22.95Feuling - Injector Adapter - Adapts EV1 Injector Connectors to EV6 Injectors Sold each. Made in the U.S.A.$22.95 -
Feuling - EV-1 Minimeter Square Series Electronic Fuel Injector 5.3 g/s - Red (Repl. OEM #27796-08)
Feuling
$99.95Feuling - EV-1 Minimeter Square Series Electronic Fuel Injector 5.3 g/s - Red (Repl. OEM #27796-08) This injector features a high-flow red band and has a fuel flow at 5.3 g/s. It is recommended for...$99.95 -
Feuling - EV-6 USCAR Series Electronic Fuel Injector 5.3 g/s - fits '17-'22 M8 Touring & '18-'22 Softail Models - For RACE USE ONLY (Repl. OEM #27400015; Repl. SE #27400040)
Feuling
$149.95Feuling - EV-6 USCAR Series Electronic Fuel Injector 5.3 g/s - fits '17-'22 M8 Touring & '18-'22 Softail Models - For RACE USE ONLY (Repl. OEM #27400015; Repl. SE #27400040) This injector...$149.95 -
Feuling - EV-6 USCAR Series Electronic Fuel Injector 6.1 g/s - fits '17-'22 M8 Touring & '18-'22 Softail Models - For RACE USE ONLY (Repl. OEM #27400015; Repl. SE #27400040)
Feuling
$169.95Feuling - EV-6 USCAR Series Electronic Fuel Injector 6.1 g/s - fits '17-'22 M8 Touring & '18-'22 Softail Models - For RACE USE ONLY (Repl. OEM #27400015; Repl. SE #27400040) This injector...$169.95 -
Feuling - EV-1 Minimeter Square Series Electronic Fuel Injector 6.2 g/s - Yellow
Feuling
$169.95Feuling - EV-1 Minimeter Square Series Electronic Fuel Injector 6.2 g/s - Yellow This injector features a high-flow yellow band and has a fuel flow at 6.2 g/s with a single hole 15° spray...$169.95 -
Feuling - EV-6 USCAR Series Electronic Fuel Injector 4.4 g/s - fits '17-'22 Harley M8 Model (OEM #27400015)
Feuling
$97.95Feuling - EV-6 USCAR Series Electronic Fuel Injector 4.4 g/s - fits '17-'22 Harley M8 Model (OEM #27400015) This injector delivers fuel at 4.4 grams per second via multiple spray holes...$97.95 -
Feuling - 18mm Front & Rear (12.5") Narrow Band Oxygen Sensor fits '07-'09 Touring & '07-'13 Sportster Models (Sold Each)
Feuling
$79.95Feuling - 18mm Front & Rear (12.5") Narrow Band Oxygen Sensor fits '07-'09 Touring & '07-'13 Sportster Models (Sold Each) This sensor is precision manufactured with a ceramic body, crafted...$79.95 -
Feuling - 18mm Front & Rear (16.25") Narrow Band Oxygen Sensor fits '07-'11 Softail, '06-'11 Dyna, '09 Touring & '09 V-Rod Models (Sold Each)
Feuling
$79.95Feuling - 18mm Front & Rear (16.25") Narrow Band Oxygen Sensor fits '07-'11 Softail, '06-'11 Dyna, '09 Touring & '09 V-Rod Models (Sold Each) This sensor is precision manufactured with a...$79.95 -
Feuling - 18mm Front & Rear (22.25") Narrow Band Oxygen Sensor fits '08-'09 V-Rod Model (Sold Each)
Feuling
$79.95Feuling - 18mm Front & Rear (22.25") Narrow Band Oxygen Sensor fits '08-'09 V-Rod Model (Sold Each) This sensor is precision manufactured with a ceramic body, crafted of stabilized zirconium...$79.95 -
Feuling - 12mm Rear (Black 4 Wire Connector, 29") Narrow Band Oxygen Sensor fits '10-'22 Touring Models
Feuling
$99.95Feuling - 12mm Rear (Black 4 Wire Connector, 29") Narrow Band Oxygen Sensor fits '10-'22 Touring Models This sensor is precision manufactured with a ceramic body, crafted of stabilized zirconium...$99.95 -
Feuling - 12mm Front (Black 4 Wire Connector, 29") Narrow Band Oxygen Sensor fits '10-'16 Touring Models
Feuling
$99.95Feuling - 12mm Front (Black 4 Wire Connector, 29") Narrow Band Oxygen Sensor fits '10-'16 Touring Models This sensor is precision manufactured with a ceramic body, crafted of stabilized zirconium...$99.95 -
Feuling - 12mm Front and Rear (16") Narrow Band Oxygen Sensor fits '18-'22 M8 Softail Models
Feuling
$99.95Feuling - 12mm Front and Rear (16") Narrow Band Oxygen Sensor fits '18-'22 M8 Softail Models This sensor is precision manufactured with a ceramic body, crafted of stabilized zirconium dioxide,...$99.95 -
Feuling - 12mm Narrow Band Rear (21") Oxygen Sensor fits '12-'17 Softail, Dyna & '12-'17 V-Rod Models
Feuling
$99.95Feuling - 12mm Narrow Band Rear (21") Oxygen Sensor fits '12-'17 Softail, Dyna & '12-'17 V-Rod Models This sensor is precision manufactured with a ceramic body, crafted of stabilized zirconium...$99.95 -
Feuling - 12mm Narrow Band Front (17") Oxygen Sensor fits '12-'17 Softail, Dyna & '12-'17 V-Rod Models
Feuling
$99.95Feuling - 12mm Narrow Band Front (17") Oxygen Sensor fits '12-'17 Softail, Dyna & '12-'17 V-Rod Models This sensor is precision manufactured with a ceramic body, crafted of stabilized...$99.95 -
Feuling - 12mm Front Oxygen Sensor fits M8 Bagger Model
Feuling
$109.95Feuling - 12mm Front Oxygen Sensor fits M8 Bagger Model This sensor is precision manufactured with a ceramic body, crafted of stabilized zirconium dioxide, surface-coated with gas-permeable platinum...$109.95
Fueling Parts Motorcycle Engine Components – Oil Systems, Camchest Kits & Performance Hardware
Feuling has established itself as a leader in Harley-Davidson engine performance by engineering components that directly address oiling efficiency, heat management and long-term reliability. Widely trusted by professional builders and performance-focused riders, Feuling Parts designs its products to solve common camchest and oil system weaknesses found in high-output V-twin engines. Their solutions are developed through extensive testing and real-world use, making them a go-to choice for both street and performance applications.
At the core of the Feuling lineup are Race Series oil systems, HP+ and OE+ oil pumps and camchest kits engineered to improve scavenging, stabilize oil pressure, and reduce operating temperatures. These components are especially critical for Twin Cam and Milwaukee-Eight engines, where consistent oil control directly impacts bearing life, camshaft durability and overall engine performance. Fueling camchest systems are designed to integrate seamlessly with factory and aftermarket components, delivering measurable gains in reliability without sacrificing rideability.
Feuling also offers a comprehensive range of supporting engine hardware including camshafts, valve spring kits, rocker shims, stud kits and precision service tools. Additional products such as vented dipsticks, oil pressure gauges and performance air and fuel components allow riders to monitor and fine-tune engine operation with confidence. Built with tight tolerances and performance-driven engineering, Feuling motorcycle engine components continue to set the benchmark for oil system efficiency, durability and dependable Harley-Davidson performance.