fits make: Honda, Kawasaki, Suzuki.

( Brand: Race Tech ), ( Manufacturer Part Number: 377-1856 ), ( Part Type: Valve ), ( Placement On Vehicle: Front ), ( Country/region Of Manufacture: United States )
The 377-1856 race valves are a high-performance upgrade for your Honda, Kawasaki, or Suzuki engine. These valves are designed specifically for racing applications, where maximum power and durability are paramount.
The 377-1856 race valves are made from high-quality materials, such as titanium or stainless steel, to ensure longevity and resistance to extreme temperatures and pressures. They feature larger diameters than stock valves, which increases the volume of air and fuel that can flow into the cylinder, resulting in more power and torque.
The valve stems are also designed to be stronger and more durable than stock valves, with larger diameters and improved sealing surfaces to reduce leakage and improve engine efficiency. The valve seats are precision-machined to provide a perfect seal, ensuring optimal engine performance and reducing the risk of engine damage due to valve float or leakage.
The valve springs used in the 377-1856 race valves are also upgraded, with lighter weights and higher spring rates to provide improved valve control and reduce valve float at high engine speeds. This results in improved engine response and power delivery, as well as reduced valve train noise and vibration.
Overall, the 377-1856 race valves are a great upgrade for any Honda, Kawasaki, or Suzuki engine that sees heavy use or high-performance applications. They offer improved performance, durability, and reliability, making them an excellent choice for racers, track day enthusiasts, and anyone looking to get the most out of their engine.
Pros of buying 377-1856 race valves for Honda, Kawasaki, or Suzuki:1. Improved engine performance: Race valves are designed to enhance air and fuel flow into the engine, which can lead to improved horsepower, torque, and overall engine performance.
2. Better throttle response: Race valves can improve throttle response by reducing the amount of time it takes for the engine to respond when you twist the throttle.
3. Enhanced durability: Race valves are typically made of stronger materials than stock valves, which can improve the durability of the engine and reduce the risk of engine failure.
4. Increased power band: Race valves can help to increase the power band of the engine, allowing it to produce more power at higher RPMs.
Cons of buying 377-1856 race valves for Honda, Kawasaki, or Suzuki:1. Higher cost: Race valves are typically more expensive than stock valves, which can make them a costly upgrade for some riders.
2. Requires additional modifications: In some cases, installing race valves may require additional modifications to the engine, such as porting or polishing the cylinder heads, which can add to the cost and complexity of the upgrade.
3. May void warranty: Installing aftermarket parts, such as race valves, can sometimes void the warranty on your motorcycle. Be sure to check with your dealer or manufacturer to see if this is the case.
4. Potential for engine damage: If not installed properly or if the engine is not tuned to handle the increased power output, race valves can potentially cause engine damage, such as detonation or overheating.
Conclusion: If you are looking to improve the performance of your Honda, Kawasaki, or Suzuki motorcycle and are willing to invest in a higher-quality upgrade, then race valves can be a worthwhile investment. However, it's important to consider the potential costs and risks involved and to ensure that the upgrade is properly installed and tuned to avoid any engine damage.
Recommendation: If you are considering purchasing 377-1856 race valves for your Honda, Kawasaki, or Suzuki motorcycle, we recommend consulting with a qualified mechanic or tuner to ensure that the upgrade is appropriate for your engine and riding style. Additionally, be sure to research the different brands and types of race valves available to find the best option for your needs and budget.
I paid these will also work on the 2007 Honda crf450r, some Kawasaki and Suzuki model's from same era using shows forks. I ended up buying a newer model. I no longer own the bike, and these have been sitting in my tool box for a couple years. These are new, the package was opened for pictures only.
And this item is currently listed for 162 at chaparral motor sports where these were purchased. I bought these for a 2006 Honda crf450r.