---
title: What machine information do I need to confirm fitment?
description: "To confirm fitment for your ATV or UTV, have the following information ready: Machine type: ATV or UTV/Side-by-Side Year, Make, and Model: For example"
---
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1. [Function PowerSports Knowledge Base](https://help.functionpowersports.com/knowledge-base?hsLang=en-us)
2. [Fitment and Installation](https://help.functionpowersports.com/knowledge-base/fitment-and-installation?hsLang=en-us)
3. [Finding the Right Fit](https://help.functionpowersports.com/knowledge-base/fitment-and-installation?hsLang=en-us#finding-the-right-fit)
# What machine information do I need to confirm fitment?
## To confirm wheel, tire, and suspension fitment for your ATV or UTV, you will need your machine type, year, make, model, and current wheel and tire specifications.
To confirm fitment for your ATV or UTV, have the following information ready:
- **Machine type:** ATV or UTV/Side-by-Side
- **Year, Make, and Model:** For example -- 2022 Polaris RZR Pro XP or 2021 Honda Rancher 420
- **Trim / Variant:** Some models have different stock specs between trims
- **Current wheel size:** Diameter (e.g., 14') and bolt pattern (e.g., 4/137)
- **Current tire size:** The size format used on powersports tires (e.g., 27x11R14)
- **Suspension lift (if applicable):** If you have an aftermarket lift kit, this affects tire clearance
Use the machine selector on our [homepage](https://www.functionpowersports.com/) to enter this information, or provide it to our [sales team](https://www.functionpowersports.com/contact-sales) for a personalized recommendation.
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- [Fitment and Installation](https://help.functionpowersports.com/knowledge-base/fitment-and-installation?hsLang=en-us#main-content)
- [Finding the Right Fit](https://help.functionpowersports.com/knowledge-base/fitment-and-installation?hsLang=en-us#finding-the-right-fit)
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