
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 - Hydraulic Cam Chain Tensioner Kit - Inner/Outer - Fits '07-'17 Twin Cam & '06 Dyna Models
Feuling
$159.95Feuling - Hydraulic Cam Chain Tensioner Kit - Inner/Outer - Fits '07-'17 Twin Cam & '06 Dyna Models Features Includes both inner & outer tensioners Made in the U.S.A.$159.95 -
Feuling - Idle Air Control Module fits '06-'17 Big Twin Models ((Exc. '16-'17 FXDLS) Repl. OEM # 27658-06))
Feuling
$59.95Feuling - Idle Air Control Module fits '06-'17 Big Twin Models ((Exc. '16-'17 FXDLS) Repl. OEM # 27658-06)) Features Quality OEM replacements and upgrades are available as listed Fitment$59.95 -
Feuling - Throttle Position Sensor fits '05-'17 Big Twin Models (Exc. '16-'17 FXDLS (Repl. OEM # 27659-06))
Feuling
$54.95Feuling - Throttle Position Sensor fits '05-'17 Big Twin Models (Exc. '16-'17 FXDLS (Repl. OEM # 27659-06)) Features Quality OEM replacements and upgrades are available as listed Fitment$54.95 -
Feuling - Throttle Position Sensor fits '01-'05 Big Twin Models (Repl. OEM # 27629-01)
Feuling
$69.95Feuling - Throttle Position Sensor fits '01-'05 Big Twin Models (Repl. OEM # 27629-01) Features Quality OEM replacements and upgrades are available as listed Fitment$69.95 -
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° angle...$99.95 -
Out of stock
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) - Fits SE 58 mm throttle body and high flow oval-port intake manifold (4 spray holes, 23% over OEM for race applications only w/ over 110+ rear wh
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°. It is...$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 each$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. Installation Instructions Download the manufacturer's installation instructions for part 9930 (PDF)$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. Installation Instructions Download the manufacturer's installation instructions for part...$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 delivers...$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 delivers...$169.95 -
Out of stock
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 pattern...$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. It is...$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 of...$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 ceramic...$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 zirconium...$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 -
Feuling - Dress Up Engine Case Bolt Fastener Kit fits '99-'17 Twin Cam A Motors
Feuling
$99.95Feuling - Dress Up Engine Case Bolt Fastener Kit fits '99-'17 Twin Cam A Motors This kit features precision-rolled threads for the utmost engagement in order to stop galling and deliver better...$99.95 -
Feuling - Lifter Block, Cam Cover & Oil Filter Adapter Dress Up Fastener Sensor Kit fits '99-'17 Twin Cam Models (22 Pieces)
Feuling
$99.95Feuling - Lifter Block, Cam Cover & Oil Filter Adapter Dress Up Fastener Sensor Kit fits '99-'17 Twin Cam Models This kit features precision-rolled threads for the utmost engagement in order to stop...$99.95 -
Feuling - 12-Point Rocker Cover Dress Up Fastener Kit fits '99-'17 Twin Cam Models
Feuling
$69.95Feuling - 12-Point Rocker Cover Dress Up Fastener Kit fits '99-'17 Twin Cam Models The tensile strength of this kit is rated at 170,000 psi (EU: 1172,11 MPa), meaning it exceeds OEM and grade 8n...$69.95 -
Feuling - 12-Point Engine Fastener Cam/Pinion Shaft Bolt Kit fits '99-'17 Twin Cam Models
Feuling
$39.95Feuling - 12-Point Engine Fastener Cam/Pinion Shaft Bolt Kit fits '99-'17 Twin Cam Models This kit comes with bolts, hardened washers and a camshaft retaining ring (black oxide). The tensile...$39.95 -
Feuling - 12-Point Rocker Box Engine Fastener Kit fits '01-'16 Touring, '02-'17 Softail and '01-'17 Dyna Models
Feuling
$149.95Feuling - 12-Point Rocker Box Engine Fastener Kit fits '01-'16 Touring, '02-'17 Softail and '01-'17 Dyna Models This kit comes with rocker supports, breathers, rocker housings and moly lube (qty...$149.95 -
Feuling - Panhead/Shovelhead Stainless Steel Head Bolt Kit - Silver
Feuling
$129.95Feuling - Panhead/Shovelhead Stainless Steel Head Bolt Kit - Silver This kit features precision rolled threads for the best engagement possible. This will prevent galling and instead promote...$129.95 -
Out of stock
Feuling - Ironhead Stainless Steel Head Bolt Kit fits '57-'73 Sportster Models - Silver
Feuling
$119.95Feuling - Ironhead Stainless Steel Head Bolt Kit fits '57-'73 Sportster Models - Silver This kit features precision rolled threads for the utmost engagement. This prevents galling and promotes more...$119.95 -
Feuling - Headbolt Kit fits '99-'17 Twin Cam and '92-'22 Sportster Models (exc. '21-'22 Sportster S/RH1250S, 22 Nightster/RH975)
Feuling
$299.95Feuling - Headbolt Kit fits '99-'17 Twin Cam and '92-'22 Sportster Models (exc. '21-'22 Sportster S/RH1250S, 22 Nightster/RH975) This kit features wide underhead flange bolts and hardened chamfered...$299.95 -
Feuling - Lifter Block Dress Up Fastener Bolt Kit fits '99-'17 Twin Cam Models (8 Pieces)
Feuling
$39.95Feuling - Lifter Block Dress Up Fastener Bolt Kit fits '99-'17 Twin Cam Models (8 Pieces) This kit features precision-rolled threads for the utmost engagement in order to stop galling and deliver...$39.95 -
Feuling - Headbolt Kit fits '17-'22 M8 Models (3.125" Under Head Length)
Feuling
$399.95Feuling - Headbolt Kit fits '17-'22 M8 Models (3.125" Under Head Length) This kit features wide underhead flange bolts and hardened chamfered washers that provide even load distribution for the...$399.95 -
Feuling - Engine Case Dress Up Bolt Fastener Kit fits '17-'22 Touring Models
Feuling
$129.95Feuling - Engine Case Dress Up Bolt Fastener Kit fits '17-'22 Touring Models This kit features precision-rolled threads for the utmost engagement in order to stop galling and deliver better regular...$129.95
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.