POLARIS 803-12 Cylinder Head Triple

( Manufacturer Part Number: 803-12 ), ( Part Type: Cylinder Head )

Review POLARIS Cylinder Head Triple fits XCR 800 1999–2003

Introducing the Polaris 803-12 Cylinder Head, an essential component for the maintenance and upgrade of your 1999 to 2003 Polaris XCR 800 Triple snowmobile. This high-performance cylinder head is designed to deliver improved power, efficiency, and reliability to your snowmobile engine.

The Polaris 803-12 Cylinder Head boasts several advanced features that set it apart from the stock head. It comes with a high-flow intake port design that enhances airflow into the engine for better combustion and more power. The exhaust port design has also been optimized to reduce backpressure and improve exhaust gas flow for enhanced engine performance.

This cylinder head is made from high-quality aluminum alloy, ensuring excellent heat dissipation and durability. It features a precision-machined combustion chamber that provides optimal fuel-air mixture for efficient combustion and reduced emissions. The head gasket is made from a high-performance material that ensures an excellent seal and prevents coolant leakage.

The Polaris 803-12 Cylinder Head is also compatible with various performance modifications, including high-performance camshafts and exhaust systems. This makes it an excellent choice for snowmobile enthusiasts who are looking to take their XCR 800 Triple to the next level.

Installation of the Polaris 803-12 Cylinder Head is relatively straightforward, and it comes with all necessary hardware for a hassle-free installation process. However, it is recommended to have the installation performed by a professional mechanic to ensure proper fitting and optimal performance.

In conclusion, the Polaris 803-12 Cylinder Head is a top-tier upgrade for your 1999 to 2003 Polaris XCR 800 Triple snowmobile. It delivers improved power, efficiency, and reliability, making it an excellent investment for any serious snowmobile enthusiast. With its advanced features, high-quality construction, and compatibility with various performance modifications, this cylinder head is sure to take your XCR 800 Triple to new heights on the snow.

Buying a Polaris 803-12 cylinder head for a 1999-2003 XCR 800 triple snowmobile can be a beneficial upgrade for performance enthusiasts. Here are some pros and cons to consider before making a purchase:

1. Increased power: The Polaris 803-12 cylinder head is known for providing more power compared to the stock 800 triple head. This can lead to improved acceleration, top speed, and overall performance.

2. Improved cooling: The larger cylinder head design allows for better cooling, reducing the risk of engine overheating and potential damage.

3. Enhanced durability: The Polaris 803-12 cylinder head is built with high-quality materials and features an increased bore size, which can result in longer engine life and reduced maintenance costs.

4. Better throttle response: The upgraded cylinder head can provide more responsive throttle, resulting in smoother power delivery and improved rider control.

1. Cost: The Polaris 803-12 cylinder head is a more expensive upgrade compared to the stock cylinder head. The cost of the head, as well as any necessary modifications or additional parts, should be considered before making a purchase.

2. Installation complexity: Installing the Polaris 803-12 cylinder head can be a more complex process compared to a standard cylinder head swap. Modifications to the engine, intake, and exhaust systems may be required.

3. Potential compatibility issues: It's essential to ensure that the Polaris 803-12 cylinder head is compatible with your specific XCR 800 triple model. Failure to verify compatibility could result in engine damage or poor performance.

In conclusion, the Polaris 803-12 cylinder head can be a worthwhile investment for those seeking improved performance, power, and durability from their 1999-2003 XCR 800 triple snowmobile. However, it's crucial to consider the additional cost, installation complexity, and potential compatibility issues before making a purchase.

If you are confident in your mechanical abilities, have the necessary resources, and are committed to enhancing the performance of your snowmobile, the Polaris 803-12 cylinder head could be an excellent upgrade for you. Otherwise, it may be more practical to consider alternative performance modifications or to continue using the stock cylinder head.

Details:

This cylinder head is an essential part that helps ensure optimal performance and durability for these specific model's of snowmobiles. The product is a cylinder head for 1999 - 2003 Polaris XCR 800 Triple snowmobile. This part is manufactured by Polaris and has the specific manufacturer number 803-12.

part #: 80312 prices

• $45.00-$149.95

specifications enginesnowmobile:

• for models: Xcr, 800
• for makes: Polaris
• for years: 1999-2003
• mpn: 803-12
• part type: Cylinder Head

general enginesnowmobile:

• condition: Used
• Snowmobile Parts > Engines Components > Snowmobile Engine Components

seller enginesnowmobile:

• # reviews: 88
• rating: 100.0%
• city: North Rose, New York

returns enginesnowmobile:

• policy: No Returns

shipping enginesnowmobile:

• service: USPS Ground Advantage
• type: Calculated
• cost: $6.99
• carrier: USPS
• transit: 4-10 Days
• class: Standard

offer enginesnowmobile:

• options: Ship-to-home
• availability: In Stock
• quantity: 3
• started: January 11, 2026
• sold: 0

payments enginesnowmobile:

• credit card: Mastercard
• wallet: Paypal
• other

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