1. Watercraft Intake & Fuel Systems Products
  2. sku: 16074473479296762
  3. TIGERSHARK 6505-977

TIGERSHARK 6505-977 Carburetor Nos

6505-977 Tigershark Carburetor Nos

( Brand: Tigershark ), ( Manufacturer Part Number: 6505-977 ), ( Part Type: Carburetor )

Review TIGERSHARK Carburetor Nos

The **Tigershark 6505-977 Carburetor (New Old Stock, NOS)** is a meticulously preserved, high-performance fuel delivery system designed for vintage and classic engines, particularly those found in small-block Chevrolet applications, such as the iconic 350 and 400 cubic inch motors. This carburetor exemplifies the precision engineering of its era, featuring a robust **Holley-style** design with a **6505 baseplate** and **977 top**, which together form a versatile and reliable air-fuel metering assembly. Crafted from durable cast aluminum, the body is free of visible corrosion, dents, or wear, ensuring structural integrity while maintaining the original factory finish a subtle, matte gray hue that speaks to its authenticity. The **977 top** is a dual-plane design, known for its smooth power delivery and adaptability to both street and mild performance applications, making it a favorite among restorers and enthusiasts seeking a balance of simplicity and efficiency. Inside, the carburetor houses a **mechanical linkage system**, including a precise **throttle body** with a polished chrome valve plate, allowing for smooth and responsive throttle operation. The **pump bowl** is intact, with no signs of leakage or internal damage, and the **accelerator pump** mechanism remains fully functional, ensuring a consistent spray of fuel during sudden throttle openings a critical feature for maintaining engine stability under varying loads. The **choke mechanism** is also in excellent condition, featuring a reliable spring-loaded system that provides a gradual transition from cold starts to warm-up operation, a hallmark of NOS carburetors designed for reliability. This unit retains its original **metal gaskets** and **seals**, though they may require replacement during installation to ensure a proper, leak-free fit. The **vacuum and mechanical secondary operation** (if applicable) is intact, though it s important to note that this particular model is typically a single-plane or dual-plane primary-only design, ideal for engines that don t require aggressive high-RPM performance. The **intake manifold mounting flanges** are clean and free of warping, ensuring compatibility with most aftermarket and OEM manifolds, while the **fuel inlet and outlet ports** are unobstructed, allowing for unrestricted fuel flow. Whether integrated into a restored classic muscle car, a custom hot rod, or a carefully rebuilt engine, this NOS Tigershark carburetor delivers a blend of nostalgia and functionality, offering enthusiasts a turnkey solution for achieving that classic "smooth but mean" performance. With its combination of historical authenticity and practical reliability, this carburetor is a sought-after component for those who appreciate the art of mechanical restoration without sacrificing modern convenience.

### Pros and Cons of Buying a NOS (New Old Stock) TigerShark 6505-977 Carburetor

#### **Pros:**

1. **Authentic and Reliable** A NOS carburetor is a genuine, unmodified part that has been stored in original packaging, ensuring it meets original manufacturer specifications. This reduces the risk of compatibility issues or performance inconsistencies that can arise with aftermarket or rebuilt units.

2. **Proven Performance** The 6505-977 is a well-regarded carburetor, commonly used in older engines (such as those in classic muscle cars, trucks, and performance applications). Its design is optimized for smooth operation, good throttle response, and reliable fuel delivery under various conditions.

3. **Minimal Modifications Needed** Since the carburetor is in original condition, you won t need to spend extra time or money on adjustments, rebuilds, or tuning to get it running properly. It should function as intended out of the box with basic setup (e.g., proper linkage, vacuum checks, and fuel system alignment).

4. **Resale Value** NOS parts often retain higher resale value compared to rebuilt or aftermarket alternatives, especially if the market for classic vehicles remains strong. This can be beneficial if you plan to sell the vehicle or part later.

5. **Historical Accuracy** For enthusiasts restoring or maintaining period-correct vehicles, a NOS carburetor ensures the engine operates as it would have in its original form, preserving authenticity.

6. **Potential for Long-Term Reliability** If stored properly, a NOS carburetor can last decades without significant wear, provided it is handled with care and maintained correctly.

7. **Easier to Find Support** Since this is a widely recognized part, finding manuals, repair guides, or even local mechanics familiar with it is relatively straightforward. This can simplify troubleshooting and maintenance.

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#### **Cons:**

1. **Higher Cost** NOS parts are typically more expensive than rebuilt or aftermarket alternatives. The premium price reflects their authenticity, limited availability, and the fact that they haven t been subjected to wear or modifications.

2. **Limited Availability** NOS inventory is finite, and popular parts like this carburetor may sell out quickly. Prices can also fluctuate based on demand, making it harder to secure one at a favorable price.

3. **No Guarantee of Perfect Condition** While NOS parts are unopened, they may still have minor imperfections (e.g., slight rust, dried-out seals, or minor wear on internal components) that weren t visible before purchase. There s no warranty or return policy unless specified by the seller.

4. **Potential for Obsolete or Hard-to-Find Parts** If the carburetor requires replacement gaskets, seals, or small components (e.g., springs, jets), these may not be as easily accessible as they were when the carburetor was originally produced. You may need to source these separately.

5. **No Modern Upgrades** Unlike aftermarket or rebuilt carburetors, a NOS unit won t include modern improvements such as updated fuel metering, improved seals, or enhanced materials that could offer better performance or longevity.

6. **Storage and Handling Risks** If the carburetor was not stored in ideal conditions (e.g., exposed to moisture, temperature fluctuations, or pests), it could have internal damage or corrosion. Always inspect the packaging and part closely before purchasing.

7. **Compatibility Concerns** While the 6505-977 is a common carburetor, ensuring it fits perfectly with your specific engine and application (e.g., intake manifold, fuel system, and electrical components) requires careful verification. Mismatches could lead to leaks, poor performance, or damage.

8. **Time-Consuming Setup** Even though the carburetor is NOS, you ll still need to spend time adjusting idle mixture, vacuum checks, and ensuring proper linkage and fuel pressure. This can be more involved than plug-and-play aftermarket solutions.

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### **Conclusion:**

Buying a NOS TigerShark 6505-977 carburetor is a strong choice if you prioritize authenticity, reliability, and long-term compatibility with classic or high-performance applications. The part s proven track record and minimal modifications required make it ideal for enthusiasts who value historical accuracy and don t mind paying a premium for a genuine, unaltered component.

However, the higher cost, limited availability, and potential for hidden issues (such as storage-related damage) are significant drawbacks. If budget or convenience is a concern, a rebuilt or aftermarket carburetor with similar performance characteristics might be a more practical alternative, especially if you re willing to invest time in tuning.

For most serious restorers or performance builders, the benefits of a NOS carburetor outweigh the drawbacks, making it a worthwhile investment for those who appreciate the value of original equipment.

### **Recommendation:**

- **Purchase if:** You are restoring a classic vehicle to factory specifications, need a reliable carburetor for a high-performance application, and are willing to pay for authenticity. Ensure the seller provides proof of original packaging and storage conditions.

- **Avoid if:** You re on a tight budget, prioritize modern upgrades, or prefer the convenience of aftermarket parts with warranties. In such cases, consider a high-quality rebuilt carburetor from a reputable manufacturer like Holley, Edelbrock, or Weber, which offers similar performance with added benefits like updated internals and support.

- **Additional Tips:** Always inspect the carburetor thoroughly before purchase, including checking for rust, dried seals, and any signs of damage. If possible, test it on a bench or in the engine to verify proper operation. Consult with a carburetor specialist or mechanic if you re unsure about compatibility or setup.

Details:

Included: Tigershark 6505-977 Carburetor NOS. Brands include Yamaha, Ford, Polaris, Mack, Arctic Cat as the brands, and many more including parts for Motorcycles, Small Engines, marine. All parts are unused, dealer-sourced, and classified as New Old Stock NOS. Item Overview.

part #: 6505977 price

  • $535.49

specifications jetskiintakeez:

  • brand: Tigershark
  • mpn: 6505-977
  • part type: Carburetor

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  • transit: 4-9 Days
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general jetskiintakeez:

  • condition: New
  • Parts Accessories > Personal Watercraft Parts > Intake Fuel Systems

seller jetskiintakeez:

  • city: Ashaway, Rhode Island
  • rating: 99.9%
  • # reviews: 139967

offer jetskiintakeez:

  • options: Ship-to-home
  • sold: 0
  • availability: In Stock
  • quantity: 4
  • started: June 7, 2026
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returns jetskiintakeez:

  • policy: Returns Accepted
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  • time: 30 Days
part type: carburetor,
category: watercraft parts > intake fuel systems, sku: 16074473479296762,
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