fits model: 850. make: Fiat.

( Manufacturer Part Number: 4109496 ), ( Part Type: Camshaft ), ( Material: Cast Iron ), ( Country/region Of Manufacture: Italy ), ( Vintage Part: Yes )
The Fiat 4109496 camshaft is a high-performance component designed specifically for Fiat engines with displacements of 850 cc, 903 cc, and 843 cc, as well as an 817 cc engine. This camshaft is a key part of the engine's intake and exhaust valve operation, and is essential for optimizing engine performance.
This particular camshaft is classified as a "sport" camshaft, meaning that it is designed to provide improved power and acceleration over stock camshafts. It achieves this by altering the duration and lift of the intake and exhaust valves, which in turn increases the engine's ability to draw in a larger volume of air and fuel during the intake stroke, and expel exhaust gases more efficiently during the exhaust stroke.
The precise dimensions and contours of the camshaft's lobes have been carefully engineered to provide optimal valve timing and duration for the specific engines it is designed for. The result is increased engine power, improved torque, and enhanced throttle response.
This camshaft is made from high-quality materials, including robust steel for durability and resistance to wear and tear. It is also designed to fit perfectly into the engine, ensuring a seamless installation process.
In summary, the Fiat 4109496 850 903cc 843cc 817cc camshaft is a high-performance component that is designed to deliver increased power, torque, and throttle response for Fiat engines with displacements of 850 cc, 903 cc, 843 cc, and 817 cc. Its carefully engineered design, high-quality materials, and precise fit make it an essential upgrade for any Fiat enthusiast looking to improve the performance of their engine.
The Fiat 4109 camshafts, specifically the 850 903cc, 843cc, and 817cc variants, are popular upgrades for Fiat engines due to their potential performance benefits. However, like any automotive modification, it's essential to consider both the advantages and disadvantages before making a purchase.
Pros:1. Increased Power: The primary reason for upgrading to a performance camshaft is to increase engine power. A high-performance camshaft can improve power output and torque by optimizing the intake and exhaust valve timing and duration.
2. Better Responsiveness: A camshaft upgrade can result in improved throttle response and acceleration, making the engine feel more lively and responsive.
3. Improved Engine Sound: A high-performance camshaft can also enhance the engine's sound, providing a more exhilarating driving experience.
Cons:1. Higher Fuel Consumption: A more aggressive camshaft can increase fuel consumption due to the engine's increased appetite for air and fuel.
2. Harder Starting: A high-performance camshaft can make starting the engine more difficult, particularly in cold weather, due to the longer valve duration and more aggressive valve timing.
3. Potential Engine Noise: A high-performance camshaft can also lead to increased engine noise, which may not be desirable for all drivers.
4. Higher Wear and Tear: A performance camshaft can cause increased wear and tear on engine components, particularly the valves and valve guides, leading to potential maintenance costs down the line.
Conclusion:A Fiat 4109 camshaft upgrade, specifically the 850 903cc, 843cc, and 817cc variants, can provide significant performance benefits, including increased power, improved responsiveness, and enhanced engine sound. However, it also comes with potential drawbacks, such as higher fuel consumption, harder starting, increased engine noise, and potential maintenance costs. Ultimately, whether this upgrade is worthwhile depends on the individual's driving preferences and budget.
Recommendation:If you're considering a camshaft upgrade for your Fiat, it's essential to assess your driving style and budget. If you value power, responsiveness, and engine sound above all else and are prepared for the potential drawbacks, then a Fiat 4109 camshaft upgrade could be a worthwhile investment. However, if you prioritize fuel efficiency, ease of starting, and minimal engine noise, then it may be best to consider other modifications or to hold off on the camshaft upgrade. Ultimately, it's crucial to consult with a professional mechanic or tuner to ensure that the upgrade is compatible with your specific Fiat model and engine configuration.
Oil pump drive gear is perfect. Part # 4109496 has a good bottom end and comes alive at mid to upper range. You can live with this camshaft profile in a daily driver or auto use. What might look to be soiling on some parts is a reflection and the takers poor photographic skills.
Near perfect Fiat 850 sport profile camshaft. As in all 850s its a CCW rotation. NOT FOR USE IN A FIAT 600.