Feuling Race Series Hydraulic Roller Lifters - Harley M8
Harley-Davidson Milwaukee-Eight & Twin Cam (1999-2024)
The benchmark in Harley-Davidson hydraulic lifters, engineered to handle aggressive cam lobe profiles while quieting annoying valvetrain noise.

Includes currency-adjusted exchange rate, South African customs clearance, and insured door-to-door courier dispatch from Cape Town.
Engineering & Performance Characteristics
Tolerances between plunger and lifter body are held to within 50 millionths of an inch to control bleed-down rates accurately.
Engineered Highlights & Performance Gains
- Engineered slow bleed-down rate prevents lifter collapse during high-RPM valve float
- Precision micro-finished roller wheels reduce camshaft friction and wear
- Eliminates the common top-end ticking sound on high-mileage Harley engines
- Pressure-fed axle pin design guarantees continuous needle bearing lubrication
Technical Specifications
- Brand & Origin
- Feuling Parts
- Product SKU / MPN
- FEU-4000 / 4000
- System Architecture
- High-RPM Hydraulic Roller Tappets
- Material Construction
- Hardened Tool Steel Bodies with Precision Micro-Ground Rollers
- Surface Finish
- Super-Finished Roller Wheels & Heat-Treated Bodies
- Sound Profile
- Quiets Valvetrain Ticking and Mechanical Clatter
- ECU Tuning Status
- Factory Fuel Map Compatible
- Tuning Guidance
- Direct replacement for OEM lifters; reduces top-end valve noise.
- Manufacturer Warranty
- 1-Year Limited Manufacturer Warranty
- Availability & Dispatch
- In Stock (Cape Town stock, 1-3 business days delivery)
Included in Box
- Set of 4 Race Series Hydraulic Lifters
- Pre-Lubricated Assembly Packaging
- Installation Instructions
Verified Fitment List
Confirmed compatible models for Feuling Race Series Hydraulic Roller Lifters - M8 V-Twin. Roxstar verifies model, year, and frame clearances prior to dispatch.
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.
About Feuling Parts
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Feuling Race Series Hydraulic Roller Lifters - M8 V-Twin FAQs
Clear, evidence-backed answers regarding motorcycle exhaust fitment and supply.
How do I request fitment verification and pricing for Feuling Race Series Hydraulic Roller Lifters - M8 V-Twin?
Does this Feuling Parts system require ECU re-tuning?
What is the delivery timeline for delivery within South Africa?
What warranty coverage applies to FEU-4000?
Technical & Category Guides
- Feuling Parts Brand ShowcaseExplore all performance products and engineering heritage from Feuling Parts.
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- Fitment Confirmation GuideLearn how we verify motorcycle year, model, and sensor bung specs.
- Exhaust Tuning & Fuel MappingECU tuning, fuel management, and air-fuel ratio advisory.
Enquire on Feuling Race Series Hydraulic Roller Lifters - M8 V-Twin
Provide your motorcycle make, model, year, and displacement for direct fitment confirmation and an official written quote.
