BIKEMAN PERFORMANCE - 04-318-H-900 - Billet Head Kit - High Altitude - Matryx 9R - Polaris
The BIKEMAN PERFORMANCE 04-318-H-900 is a billet aluminum cylinder head kit engineered for 2023-2024 Polaris Patriot Boost RMK and Switchback 850 models operating in the 6000-9000 foot altitude range, delivering 8-9 horsepower gains in the mid-range and 7-8 at peak with improved cooling capacity to maintain lower running temperatures — requires 91 pump gas, a tune for the R9, and recommends NGK BPR9ES spark plugs.
Features
- Increase cooling capacity for lower running temps which helps maintain peak power
- High altitude kit gains 8-9 horsepower in the mid-range and 7-8 peak
- Works in the 6000 - 9000 foot altitude range
- Tune is required for the R9.
- 91 pump gas is required.
- BPR9ES NGK spark plug is recommended by Bikeman Performance.
Specs
- Product Name: Cylinder Head Kit
- Riding Style: Snow
- Color/Finish: Aluminum
- Material: Billet Aluminum
- Units: Kit
- Type: High Altitude
Frequently Asked Questions - BIKEMAN PERFORMANCE - 04-318-H-900 - Billet Head Kit - High Altitude - Matryx 9R - Polaris
How do I know if this part fits my vehicle?
Check the fitment information listed on this page against your exact year, make, model, and (where applicable) trim, engine size, or configuration. If your exact vehicle isn't listed, or you're not sure, use the product chat on this page or contact our support team before ordering - we're glad to help confirm fitment.
What does it mean if a product is listed as universal fit?
Universal fit means the product is designed to work across a range of vehicles, not that it's guaranteed to fit every one. Compare the listed measurements, mounting requirements, and connector or hardware specs against your specific vehicle before ordering, since some installations may need additional hardware or minor fabrication.
Where can I find installation instructions for this product?
General installation notes are provided above where available. For detailed step-by-step instructions, refer to the manufacturer's documentation included with the product, or use the product chat on this page for questions about difficulty, required tools, or whether professional installation is recommended.
What if I have more questions about this product?
Use the product chat on this page for fitment, specs, installation, and compatibility questions, or contact our support team directly for help before you order.
