
( Brand: Tigershark ), ( Manufacturer Part Number: 0670-535 ), ( Part Type: Carburetor )
The **Tigershark 0670-535 Carburetor** is a meticulously crafted, no-small-stuffs (NOS) unit designed for high-performance applications, particularly in classic and modern outboard motors, go-karts, and small engines where precision and reliability are paramount. This carburetor belongs to the **Tigershark 0670 series**, a line renowned for its robust construction, smooth operation, and adaptability across a wide range of powerplants. Built with a **cast aluminum body**, the 0670-535 features a **piston-type throttle valve** and a **floating needle jet system**, ensuring optimal fuel delivery and throttle response under varying loads. The carburetor is equipped with a **single 18mm venturi**, allowing for efficient air-fuel mixture regulation while maintaining a balance between power and fuel efficiency. Its **piston-type choke mechanism** provides smooth cold starts and gradual warm-up, reducing wear on the engine and prolonging its lifespan. The 0670-535 is further distinguished by its **precision-machined components**, including a **durable brass main jet** and **stainless steel throttle linkage**, which resist corrosion and ensure long-term durability even in demanding conditions. Whether installed in a **high-revving go-kart engine**, a **restored classic outboard**, or a **custom-built small-block V-twin**, this carburetor delivers consistent performance with minimal maintenance. Its **universal compatibility** makes it a favored choice among tuners and restorers, as it can be easily adapted with aftermarket parts or stock components to match specific engine requirements. For those seeking a **reliable, high-performance carburetor** that combines classic design with modern engineering, the Tigershark 0670-535 is an excellent choice offering a perfect blend of power, precision, and longevity.
### Pros and Cons of Buying a NOS (New Old Stock) Tigershark 0670-535 Carburetor
#### **Pros:**1. **Performance Potential** The Tigershark 0670-535 is a high-performance carburetor designed for engines requiring precise fuel delivery, such as those in drag racing, street rods, or high-RPM applications. It offers improved airflow and better throttle response compared to stock or older carburetors.
2. **Reliability and Durability** NOS parts are typically well-maintained and stored under controlled conditions, reducing the risk of wear or damage from improper storage. Tigershark carburetors are known for their robust construction, often featuring aluminum bodies, stainless steel internals, and high-quality seals.
3. **Compatibility with Modern Modifications** This carburetor is designed to work well with modern fuel systems, including high-flow fuel pumps, performance injectors, and electronic fuel injection (EFI) setups if paired with the right adapters. It can also be tuned for different fuel types (gasoline, methanol, or ethanol blends).
4. **Aftermarket Support and Tuning** Tigershark offers extensive documentation, tuning guides, and support for their carburetors. Many performance shops and tuners have experience working with this model, making it easier to optimize performance through adjustments like jet sizing, vacuum ports, and linkage modifications.
5. **Aesthetic and Build Appeal** For enthusiasts who prioritize a clean, modern look, the Tigershark 0670-535 has a sleek design that fits well in high-performance builds. Its polished finish and precise engineering can enhance the overall appearance of a project car.
6. **Long-Term Availability** As a NOS part, it is unlikely to become obsolete, ensuring you can find replacement components or support for years to come. Tigershark is a well-established brand in the performance carburetor market.
7. **Versatility** This carburetor can be adapted for various engine configurations, including V8s, inline-6s, and even some high-performance small-block applications, depending on the setup. It can be paired with different throttle bodies, linkage systems, and vacuum manifolds.
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#### **Cons:**1. **High Upfront Cost** NOS parts are generally more expensive than new aftermarket alternatives due to their perceived value and the cost of sourcing and refurbishing them. The Tigershark 0670-535 may cost significantly more than a comparable new carburetor from another manufacturer.
2. **Potential for Hidden Issues** Even though NOS parts are supposed to be in good condition, there is always a risk of undetected wear, leaks, or internal damage from improper handling or storage. A thorough inspection (or testing) may be necessary before installation.
3. **Learning Curve for Tuning** Achieving optimal performance with this carburetor requires knowledge of jet sizing, vacuum settings, and fuel system tuning. Beginners may struggle without guidance, potentially leading to poor throttle response, rough idling, or fuel economy issues.
4. **Limited Stock Availability** While Tigershark is a reputable brand, the specific 0670-535 model may not always be in stock, especially if it is a less common variant. Purchasing may require waiting or checking multiple suppliers.
5. **Compatibility Challenges** Depending on your engine s specific requirements (e.g., displacement, compression ratio, or fuel system), this carburetor may not be the best fit without additional modifications. Forcing a mismatch could lead to poor performance or damage.
6. **Maintenance Requirements** High-performance carburetors like this one require regular cleaning, jet adjustments, and seal replacements to maintain peak performance. Neglecting maintenance can lead to clogging, leaks, or failure over time.
7. **Potential for Overkill** If your engine is not heavily modified or does not require the high airflow of this carburetor, the extra cost and complexity may not be justified. A simpler carburetor (e.g., a Holley or Edelbrock) might suffice for milder builds.
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### **Conclusion:**The Tigershark 0670-535 NOS carburetor is an excellent choice for enthusiasts building high-performance engines, particularly those in drag racing, street rods, or heavily modified applications. Its reliability, tuning potential, and compatibility with modern fuel systems make it a strong contender for serious builders. However, the high cost, potential learning curve, and need for careful tuning mean it is not ideal for casual or lightly modified projects.
If you are certain about your engine s requirements and are willing to invest time in setup and maintenance, this carburetor can deliver outstanding results. For less demanding applications, a more budget-friendly alternative may be more practical.
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### **Recommendation:** **Buy the Tigershark 0670-535 NOS carburetor if:**- You are building a high-performance engine (e.g., a drag race car, street rod, or heavily modified street machine).
- You have experience with carburetor tuning or are willing to invest time in learning.
- Your fuel system (pump, injectors, fuel pressure) is already upgraded to support high airflow.
- You prioritize reliability, durability, and aftermarket support.
**Avoid it if:**- Your engine is lightly modified or intended for daily driving without aggressive performance goals.
- You lack experience with carburetor tuning and are unwilling to seek professional help.
- You are on a tight budget, as there may be more affordable alternatives that still deliver good performance.
- Your engine s requirements do not match the carburetor s capabilities (e.g., low-displacement or naturally aspirated engines with minimal modifications).
For best results, pair this carburetor with a performance fuel system, proper linkages, and a thorough tuning process. If possible, consult with a performance shop or carburetor specialist to ensure optimal setup.
All parts are unused, dealer-sourced, and classified as New Old Stock NOS. Brands include Yamaha, Ford, Polaris, Mack, Arctic Cat as the brands, and many more including parts for Motorcycles, Small Engines, marine. Item Overview.