fits model: Ho, 400, Sportsman. make: Polaris. year: 2008–2011.

( Brand: Boyesen ), ( Manufacturer Part Number: RAD-062 ), ( Part Type: Valve ), ( Country Region Of Manufacture: United States )
The Boyesen Rad Valve for 2008-2011 Polaris Sportsman 400 HO (rad-062) is a high-performance aftermarket upgrade designed to enhance the engine's cooling system and overall performance. This rad valve is specifically engineered to fit the Polaris Sportsman 400 HO models from 2008 to 2011, including the 08, 09, 10 variants.
The Boyesen Rad Valve is a unique, patented design that utilizes a one-way, pressure-activated valve to manage coolant flow within the engine's cooling system. This valve operates by allowing coolant to flow freely from the radiator into the engine, but once the engine reaches operating temperature, the valve closes to prevent coolant from flowing back into the radiator. This process helps to reduce engine heat soak and improve throttle response, resulting in improved engine performance and longevity.
The Boyesen Rad Valve for Polaris Sportsman 400 HO is made from high-quality materials, including a billet aluminum valve body and a stainless steel spring. The valve is also equipped with a durable O-ring seal and is easy to install, requiring no modifications to the engine or radiator.
In summary, the Boyesen Rad Valve for 2008-2011 Polaris Sportsman 400 HO (rad-062) is a high-performance upgrade that can help improve engine cooling, reduce heat soak, and improve throttle response. This valve is made from durable materials, is easy to install, and is specifically designed to fit the Polaris Sportsman 400 HO models from 2008 to 2011. By installing this valve, riders can expect improved engine performance and longevity, as well as a more enjoyable and reliable riding experience.
Pros of Buying Boyesen Rad Valve for Polaris Sportsman 400 HO Rad-062:1. Improved Engine Performance: Boyesen rad valves are known for their ability to improve engine performance by reducing heat and boosting power. This can lead to better acceleration and overall riding experience.
2. Durability: Boyensen rad valves are made of high-quality materials and are designed to withstand extreme conditions. They are less likely to fail compared to OEM (Original Equipment Manufacturer) parts.
3. Enhanced Cooling: Boyesen rad valves can improve the cooling system of your Polaris Sportsman 400 HO, reducing the likelihood of engine overheating.
4. Easy Installation: The Boyesen rad valve for Polaris Sportsman 400 HO is easy to install, and no additional modifications are required.
Cons of Buying Boyesen Rad Valve for Polaris Sportsman 400 HO Rad-062:1. Cost: Boyesen rad valves are typically more expensive than OEM parts. While they may provide better performance and durability, the initial cost can be a deterrent for some riders.
2. Potential Void of Warranty: If not installed by a dealer, installing aftermarket parts like the Boyesen rad valve could potentially void your vehicle's warranty.
3. No Direct OEM Replacement: Boyesen rad valves are not a direct replacement for OEM parts. This means that if any issues arise, you may need to troubleshoot and potentially seek help from Boyesen or a specialist.
Conclusion:If you're looking for improved engine performance, durability, and cooling, the Boyesen Rad Valve for Polaris Sportsman 400 HO Rad-062 could be a worthwhile investment. However, the cost and potential void of warranty should be considered. It's recommended to weigh these pros and cons against your specific needs and circumstances before making a decision.
Recommendation:If you're an avid off-road rider who puts a lot of stress on their vehicle, and you're willing to invest in better performance and durability, the Boyesen Rad Valve for Polaris Sportsman 400 HO Rad-062 could be a great choice. If you're a casual rider or concerned about warranty, you might want to stick with OEM parts.
I have installed both the Boyesen Rad Valve and the V Force 3 reed blocks on this Polaris and by far preferred the power output with the Boyesen system installed. Easily installed on bike with just a few bolts. New condition.