S-S CYCLE MN-RB00 Front Manifold Flange Reviews MN/RB00S

( Brand: S-s Cycle ), ( Manufacturer Part Number: MN/RB00 ), ( Compatible Year: 1985 1984 ), ( Compatible Make: Harley Davidson ), ( Compatible Model: Flhx Electra Glide Special ), ( Bundle Description: 1 Pc Genuines S Cycle Manifolds Flanges ), ( Type: Manifolds Flanges ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement ), ( Position: Front )

Review S CYCLE Scycle Mn/rb00sfront Manifold Flange Harley Davidson fits ELECTRA FLHX 1984–1985

The **Cycle MN/RB00S Front Manifold Flange** is a meticulously engineered, high-performance replacement part designed specifically for the **1984-1985 Harley-Davidson FLHX Electra Glide** models equipped with the **MN/RB00 engine**. This precision-crafted component serves as the critical interface between the front manifold and the cylinder head, ensuring optimal airflow, proper sealing, and reliable operation under the demanding conditions of high-performance riding. Crafted from **high-grade cast iron** with a **machined finish**, the flange is built to withstand the thermal and mechanical stresses of continuous use, delivering durability that matches the legendary reliability of Harley-Davidson s classic big-twin engines. Its **threaded mounting holes** align perfectly with the stock engine block, guaranteeing a secure and leak-free installation, while the **smooth, contoured surface** promotes efficient cylinder head gasket compression, reducing the risk of warping or blow-by over time. Whether you're restoring a vintage Electra Glide to its original glory or upgrading an existing build for enhanced performance, this **OEM-replacement flange** ensures compatibility, strength, and longevity making it an essential component for any serious Harley-Davidson enthusiast seeking authenticity and performance.

**Pros and Cons of Buying a Cycle MN/RB00S Front Manifold Flange for a 1984-1985 Harley-Davidson FLHX Electra (MN/RB00)**

1. **Direct Fitment** The Cycle MN/RB00S flange is specifically designed for the 1984-1985 Harley-Davidson FLHX Electra (MN/RB00) engine, ensuring compatibility without modification. This eliminates the need for machining or customization, saving time and potential errors.

2. **Improved Performance** The RB00S manifold flange is often associated with better airflow and throttle response compared to the stock RB00 design. Some riders report a slight increase in power and smoother operation, particularly when paired with aftermarket manifolds or headers.

3. **Compatibility with Aftermarket Parts** Since the RB00S flange is a common upgrade choice, it works seamlessly with aftermarket intake manifolds, headers, and performance exhaust systems. This makes it a versatile option if you plan to further modify your engine.

4. **Durability** Cycle Manufacturing parts are known for their quality and durability, reducing the risk of premature failure compared to cheaper or aftermarket alternatives.

5. **Ease of Installation** The flange is designed to replace the stock part with minimal effort, requiring only basic tools and a bit of mechanical know-how. Installation guides and videos are widely available for reference.

6. **Cost-Effective Upgrade** While not a high-performance part, it is a relatively affordable upgrade that can enhance the stock engine s performance without requiring a full rebuild.

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1. **Minimal Performance Gain** The improvement in power and throttle response is often subtle. If you re looking for significant horsepower gains, this flange alone may not be enough you d likely need to pair it with other modifications (e.g., headers, camshafts, or a bigger carburetor).

2. **Potential Compatibility Issues with Stock Components** While the flange itself fits, some riders report minor clearance issues with stock exhaust headers or other factory parts. A quick inspection of your specific build may be necessary to avoid conflicts.

3. **No Major Reliability Benefits** Unlike a full engine rebuild or high-performance upgrade, this flange does not address wear, compression, or other aging issues in the engine. It s purely an airflow enhancement.

4. **Market Availability and Pricing** Depending on demand and supplier, prices for Cycle parts can fluctuate. Some sellers may charge premium prices, especially for older model-specific parts.

5. **Not a "Set-and-Forget" Solution** If you re pairing this with other performance parts (e.g., headers, carburetor upgrades), you may need to tune the engine or adjust fuel delivery to avoid running rich or experiencing rough idle.

6. **Limited Longevity for Aggressive Modders** If you plan to further modify your engine (e.g., big bore, turbo, or forced induction), the RB00S flange may not be the best long-term choice, as more extreme builds often require different components.

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The **Cycle MN/RB00S Front Manifold Flange** is a **solid, low-risk upgrade** for your 1984-1985 Harley-Davidson FLHX Electra if you re looking for a **simple, cost-effective way to improve airflow and throttle response**. It s particularly worthwhile if you re already planning other performance modifications (e.g., headers, intake manifolds, or carburetor upgrades) and want to ensure compatibility from the start.

- **Buy it if:** You want a straightforward, proven upgrade that pairs well with aftermarket parts and are satisfied with modest performance gains. It s a great starting point for a mild build.

- **Skip it if:** You re aiming for significant power increases (e.g., 50 HP gains) or plan to pursue more aggressive modifications (e.g., big bore, turbo, or forced induction) in the future. In those cases, a more advanced manifold or a full engine rebuild may be necessary.

- **Pair it with:** A high-flow intake manifold (e.g., Cycle or Edelbrock), headers, and a performance carburetor (e.g., 750 or 800 cfm) for the best results.

For most riders looking to enhance their stock FLHX without a major overhaul, the **Cycle RB00S flange is a smart, low-effort choice**. Just ensure you re prepared for the minor tuning adjustments that may come with pairing it with other mods.

Details:

Cycle Front Manifold Flange for 1984 - 1985 Harley Davidson FLHX Electra ll: Status: In Stock.

part #: mnrb00 price

• $42.56

specifications intakefuelmotorcycle:

• for models: Flhx, Electra
• for makes: Harley, Davidson
• for years: 1984-1985
• brand: S-s Cycle
• mpn: Mn/rb00
• compatible year: 1985 1984
• compatible make: Harley Davidson
• compatible model: Flhx Electra Glide Special
• bundle description: 1 Pc Genuines S Cycle Manifolds Flanges
• type: Manifolds Flanges
• core charge: Free No Core Charge
• fitment type: Direct Replacement
• position: Front

general intakefuelmotorcycle:

• Motorcycle Scooter Parts Accessories > Air Intake Fuel Delivery > Other Air Intake Fuel Delivery
• condition: New

shipping intakefuelmotorcycle:

• type: Fixed
• class: Standard
• service: Standard
• cost: $0.00
• transit: 2-6 Days

payments intakefuelmotorcycle:

• other
• credit card: Discover
• wallet: Apple-pay

offer intakefuelmotorcycle:

• quantity: 1
• options: Ship-to-home
• availability: In Stock
• sold: 0
• started: May 26, 2026

returns intakefuelmotorcycle:

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

seller intakefuelmotorcycle:

• # reviews: 23314
• rating: 99.3%
• city: Multiple warehouses

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