1. Motorcycle Engine Bearings For Sale
  2. sku: 11788079581476632
  3. FEULING MN/KBS4

FEULING MN-KBS4 Camshaft Inner Bearing Fxdli Rider MN/KBS4

fits model: Dyna. make: Harley, Davidson. year: 2006.

Kbs4 Feuling Mn/kbs4 Camshaft Inner Bearing For 2006 Harley Davidson Fxdli Dyna Low Rider Ob

( Brand: Feuling ), ( Manufacturer Part Number: MN/KBS4 ), ( Type: Camshaft Inner Bearing ), ( Compatible Make: Harley Davidson ), ( Compatible Model: Fxdli Dyna Low Rider ), ( Bundle Description: 1 Pc Genuine Feuling Camshaft Inner Bearing ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement )

Review FEULING Mn/kbs4 Camshaft Inner Bearing Harley Davidson Fxdli Low Rider Ob fits DYNA 2006

The **Feuling MN/KBS4 Camshaft Inner Bearing** is a precision-engineered, high-performance replacement bearing designed specifically for the 2006 Harley-Davidson FXDLI Dyna Rider OB, featuring the iconic Twin Cam 88 (TC88) engine configuration. Crafted from a proprietary blend of high-grade sintered metal and reinforced bronze, this inner bearing is engineered to deliver exceptional durability, smooth operation, and reliable performance under the demanding conditions of heavy-duty motorcycle use. The bearing s unique **MN/KBS4 designation** ensures an exact fit for the camshaft s inner journal, providing optimal load distribution and minimizing friction, which is critical for maintaining the engine s power output and longevity. Unlike standard bearings, this component is meticulously machined to Harley-Davidson s exacting specifications, ensuring compatibility with the Dyna s aggressive camshaft profile and the high RPM demands of modern street and track applications. Its robust construction resists wear from the intense heat and pressure generated by the Twin Cam s overhead camshaft design, making it an ideal choice for riders who demand both performance and reliability. Whether you're restoring a classic Dyna or pushing the limits of a modified engine, this bearing offers the strength and precision needed to keep your camshaft spinning smoothly, reducing the risk of catastrophic failure and extending the life of your engine s critical components. Built to withstand the rigors of daily riding, track days, or high-mileage applications, the Feuling MN/KBS4 inner bearing is a must-have upgrade for any serious Harley-Davidson enthusiast seeking to preserve the integrity of their Twin Cam s internal mechanics.

### **Pros and Cons of Buying a Fueling MN/KBS4 Camshaft Inner Bearing for a 2006 Harley-Davidson FXDLI Dyna Rider OB**

#### **Pros:**

1. **Improved Performance** The KBS4 camshaft is designed for higher RPM performance, which can enhance throttle response and power output, especially in a Dyna engine. The upgraded cam profile may allow for better airflow and combustion efficiency, leading to smoother acceleration and a more aggressive powerband.

2. **Durability and Strength** Fueling and KBS4 offer high-quality forged steel or billet camshafts that are engineered to withstand higher stress compared to stock OEM components. This can reduce the risk of camshaft failure, especially if the engine is modified or runs at elevated RPMs.

3. **Compatibility with Modifications** If you plan to add a blower, exhaust, or other performance upgrades, the KBS4 camshaft is a popular choice among Harley enthusiasts. It pairs well with aftermarket components and can help optimize engine performance for a modified setup.

4. **Reputation for Reliability** Both Fueling and KBS4 are well-regarded in the Harley community for their durability and precision machining. Many riders report long-term reliability with these camshafts, particularly when paired with proper lubrication and maintenance.

5. **Potential for Increased Horsepower** Depending on the tuning and supporting modifications (e.g., headers, fueling system upgrades), the KBS4 camshaft can contribute to noticeable power gains, especially in a naturally aspirated or mildly forced engine like the 103/114ci Dyna.

6. **Easier Installation** Both brands provide clear installation instructions, and the camshafts are designed to fit standard Harley engines with minimal modifications required. This makes them accessible for DIYers without extensive mechanical experience.

7. **Supporting Community and Resources** There is a large community of Harley riders who have installed these camshafts, offering forums, build logs, and troubleshooting advice. This can be helpful if you encounter any issues during installation or operation.

---

#### **Cons:**

1. **Cost** Both the Fueling MN and KBS4 camshafts are significantly more expensive than OEM replacements. Prices typically range from **$300 $600 **, depending on the model and whether additional components (e.g., springs, retainers) are included. This can be a substantial investment for a single part.

2. **Potential for Increased Wear on Other Components** A more aggressive camshaft profile can increase stress on the valve train, lifters, and pushrods. If these components are worn or not upgraded, the camshaft may cause premature failure or excessive noise. This may require additional modifications (e.g., upgraded lifters, retainers, or valve springs) to mitigate.

3. **Requires Supporting Modifications** Simply swapping the camshaft without tuning the fueling system (e.g., ECU flash, fuel pump, or injectors) can lead to poor performance or even engine damage due to lean or rich conditions. A dyno tune or at least a fuel system upgrade is highly recommended.

4. **RPM Limitations** While the KBS4 camshaft is designed for higher RPMs, the stock Dyna engine (especially the 103/114ci) is not optimized for extreme RPM ranges. Pushing the engine too hard without supporting modifications (e.g., headers, exhaust, or a blower) may still limit performance gains.

5. **Installation Complexity** While not extremely difficult, installing a camshaft requires removing the cylinder head, valve train, and camshaft carrier. This is a labor-intensive process that may require disassembling other components (e.g., rocker arms, pushrods). If you lack experience, professional installation is advisable.

6. **Potential for Increased Oil Consumption** Aggressive camshafts can increase oil consumption, especially if the piston rings or valve seals are worn. This may require more frequent oil changes or additional maintenance to prevent long-term damage.

7. **Mixed Results Without Full Build** If you only install the camshaft without other performance upgrades (e.g., exhaust, intake, or a blower), the power gains may be modest. The Dyna engine benefits most from a balanced set of modifications, so a single camshaft swap may not deliver the expected performance boost.

8. **Warranty Considerations** Harley-Davidson s factory warranty may not cover modifications like a camshaft swap. If you plan to sell the bike later, some buyers may be hesitant due to the modified state.

---

### **Conclusion:**

The **Fueling MN or KBS4 camshaft** is an excellent choice for a **2006 FXDLI Dyna Rider OB** if you are looking to **enhance performance, improve throttle response, and future-proof your engine** for modifications. These camshafts offer **superior durability, better RPM handling, and compatibility with aftermarket parts**, making them ideal for riders who plan to push their engines beyond stock limits.

However, they are **not a simple drop-in replacement** they require **supporting modifications (tuning, fueling system upgrades, and potentially valve train components)** to avoid issues like poor performance, increased wear, or engine damage. The **cost is also significant**, so it s important to weigh the benefits against your budget and long-term goals.

If your primary goal is **reliability and stock-like performance with minor improvements**, a camshaft swap may not be necessary. But if you are **committing to a full performance build** (e.g., adding a blower, headers, or a tune), the **KBS4 camshaft is one of the best aftermarket options** available for the Dyna platform.

---

### **Recommendation:**

- **If you are a beginner or only want minor upgrades**, consider **sticking with stock components** or exploring **less aggressive camshafts** (e.g., some OEM-style aftermarket options) before committing to a high-performance cam like the KBS4.

- **If you are building a performance Dyna**, the **KBS4 camshaft is a strong choice**, especially if paired with:

- A **dyno tune** (ECU flash or standalone ECU).

- **Upgraded fueling system** (larger fuel pump, high-flow injectors).

- **Headers and exhaust** for better scavenging.

- **Valvetrain upgrades** (stiffer springs, retainers, or hydraulic lifters if needed).

- **Budget accordingly** expect to spend **$500 $1,500 ** on the camshaft plus supporting modifications.

- **Consult with experienced Dyna builders** before installation to ensure compatibility with your specific engine condition and goals.

**Final Verdict:** The **KBS4 camshaft is a premium, high-performance choice** for the FXDLI Dyna, but it is best suited for riders who are **committed to a full engine build**. For casual riders or those on a tight budget, it may be overkill.

Details:

Feuling Camshaft Inner Bearing for 2006 Harley Davidson FXDLI Dyna Low Rider ob: Status: In Stock.

part #: mnkbs4 price

  • $62.22

specifications bearingmotorcycleiz:

  • for models: Dyna
  • for makes: Harley, Davidson
  • for years: 2006
  • brand: Feuling
  • mpn: Mn/kbs4
  • type: Camshaft Inner Bearing
  • compatible make: Harley Davidson
  • compatible model: Fxdli Dyna Low Rider
  • bundle description: 1 Pc Genuine Feuling Camshaft Inner Bearing
  • core charge: Free No Core Charge
  • fitment type: Direct Replacement

seller bearingmotorcycleiz:

  • rating: 98.8%
  • # reviews: 18506
  • city: Multiple warehouses

returns bearingmotorcycleiz:

  • paid by: Seller
  • time: 30 Days
  • policy: Returns Accepted

shipping bearingmotorcycleiz:

  • type: Fixed
  • class: Standard
  • transit: 3-6 Days
  • cost: $0.00
  • service: Standard

general bearingmotorcycleiz:

  • condition: New
  • Motorcycle Scooter Parts Accessories > Engines Engine Parts > Engine Bearings

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offer bearingmotorcycleiz:

  • started: March 7, 2026
  • quantity: 1
  • availability: In Stock
  • sold: 0
  • options: Ship-to-home
for models: dyna, for makes: harley, davidson, for years: 2006, type: camshaft inner bearing, compatible make: harley davidson, compatible model: fxdli dyna low rider, bundle description: 1 pc genuine feuling camshaft inner bearing, core charge: free no core charge, fitment type: direct replacement,
category: motorcycle parts > motorcycle scooter parts accessories > engines engine parts > engine bearings, sku: 11788079581476632,
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