1. USED Engine Parts Deals
  2. sku: 9281527861192604
  3. POWER SPORTS NATION PSN3085527

POWER SPORTS NATION PSN3085527 Big Engine Cylinder Head Set 400-500

fits model: Sportsman, Ranger, Magnum, Boss. make: Polaris.

Psn3085527 Power Sports Nation Oem Polaris Sportsman Ranger Magnum Big Boss 400-500 Engine Cylinder Head Set

( Brand: Power Sports Nation ), ( Part Type: Engine Cylinder Head ), ( Subassembly Part Numbers: 3085527, 3085071 ), ( Manufacturer Part Number: PSN3085527 ), ( California Prop 65 Warning: This Product Contains Chemicals Known To The State Of California To Cause Cancer And Birth Defects Or Other Reproductive Harm. )

Review POWER SPORTS NATION Atvsienna.com Oem Polaris Big 400-500 Engine Cylinder Head Set fits SPORTSMAN RANGER MAGNUM BOSS

The Power Sports Nation PSN3085527 Polaris Sportsman Ranger Magnum Big Boss 400-500 Cylinder Head Set is an essential upgrade for any Polaris Sportsman Ranger Magnum owner looking to enhance the performance and durability of their ATV. This cylinder head set is specifically designed for Polaris Sportsman Ranger Magnum models with 400-500cc engines, ensuring a perfect fit and seamless integration.

The heart of this cylinder head set is the Big Boss 400-500 cylinder head. This high-performance cylinder head is engineered with a larger intake and exhaust port, which allows for increased air and fuel flow. The result is improved combustion efficiency, leading to more power and torque. Additionally, the Big Boss cylinder head is CNC machined for precision and features a polished finish, giving your ATV a sleek and professional look.

The Power Sports Nation PSN3085527 cylinder head set also includes new intake and exhaust valves. These high-performance valves are made from durable materials and feature a larger diameter, allowing for better flow and improved engine breathing. The set also includes new valve guides and seats, ensuring a proper seal and reducing the risk of leaks.

This cylinder head set is also designed to provide improved cooling for your Polaris Sportsman Ranger Magnum engine. The new cylinder head features larger coolant passages, allowing for more coolant flow and better heat dissipation. Additionally, the set includes new head gaskets, which provide a perfect seal and help prevent coolant leaks.

Installing the Power Sports Nation PSN3085527 Polaris Sportsman Ranger Magnum Big Boss 400-500 Cylinder Head Set is a straightforward process, thanks to the included installation instructions and hardware. The set also includes all necessary gaskets, seals, and hardware, making it a complete solution for upgrading your ATV's engine performance.

In summary, the Power Sports Nation PSN3085527 Polaris Sportsman Ranger Magnum Big Boss 400-500 Cylinder Head Set is an excellent upgrade for any Polaris Sportsman Ranger Magnum owner looking to improve their engine's performance and durability. With its high-performance cylinder head, large intake and exhaust ports, durable valves, and improved cooling, this cylinder head set is sure to provide noticeable power gains and improved reliability.

The Polaris Sportsman Ranger Magnum Big Boss 400-500 engine cylinder head set is an aftermarket upgrade for Polaris Sportsman Ranger ATV models. This upgrade can provide better performance, increased power, and improved durability. Below are some potential pros and cons of purchasing this engine cylinder head set.

Pros:

1. Increased power: The Big Boss cylinder head set is designed to provide more power to the engine. This can result in improved acceleration and better overall performance.

2. Improved durability: The Big Boss cylinder head set is made of high-quality materials and is designed to withstand the rigors of off-road use. This can help reduce the need for frequent repairs and maintenance.

3. Better cooling: The Big Boss cylinder head set comes with larger cooling fins and improved cooling channels. This can help keep the engine running cooler, which can improve performance and extend the life of the engine.

4. Easy installation: The Big Boss cylinder head set comes with all the necessary hardware for installation, making it a relatively straightforward process for most mechanically inclined users.

Cons:

1. Cost: The Big Boss cylinder head set is a premium upgrade, and it comes with a premium price tag. This may be a significant investment for some users.

2. Requires additional modifications: In some cases, installing the Big Boss cylinder head set may require additional modifications to the engine or exhaust system to fully realize the potential performance gains.

3. Potential compatibility issues: While the Big Boss cylinder head set is designed to fit Polaris Sportsman Ranger ATV models, there may be some compatibility issues with specific models or years. It's important to verify that the head set is compatible with your specific ATV before making a purchase.

Ending Conclusion:

The Polaris Sportsman Ranger Magnum Big Boss 400-500 engine cylinder head set is an excellent option for users who are looking to improve the performance and durability of their Polaris Sportsman Ranger ATV. While the cost may be a significant investment, the potential gains in power, cooling, and durability make it a worthwhile upgrade for many users. However, it's important to ensure that the head set is compatible with your specific ATV model and year before making a purchase.

Recommendation:

If you're looking to improve the performance and durability of your Polaris Sportsman Ranger ATV, the Big Boss engine cylinder head set is an excellent option to consider. However, it's important to do your research and ensure that it's compatible with your specific model and year before making a purchase. Additionally, be prepared for the additional cost and potential need for additional modifications to fully realize the potential gains in performance. Overall, if you're an avid off-road rider looking to get the most out of your Polaris Sportsman Ranger ATV, the Big Boss cylinder head set is definitely worth considering.

part # psn3085527 price

  • $374.99

specifications atvsienna:

  • for models: Sportsman, Ranger, Magnum, Boss
  • for makes: Polaris
  • brand: Power Sports Nation
  • part type: Engine Cylinder Head
  • subassembly part numbers: 3085527, 3085071
  • manufacturer part number: PSN3085527
  • california prop 65 warning: This Product Contains Chemicals Known To The State Of California To Cause Cancer And Birth Defects Or Other Reproductive Harm.

payments atvsienna:

  • wallet: Google-pay
  • other
  • credit card: Discover

general atvsienna:

  • ATV, Side-by-Side UTV Parts Accessories > Engines Engine Parts > Other Engine Parts
  • condition: Used

returns atvsienna:

  • time: 30 Days
  • paid by: Buyer
  • policy: Returns Accepted

shipping atvsienna:

  • carrier: FedEx
  • class: Standard
  • service: FedEx Ground / FedEx Home Delivery
  • cost: $0.00
  • transit: 3-8 Days
  • type: Fixed

offer atvsienna:

  • best offers: True
  • availability: In Stock
  • started: October 14, 2025
  • sold: 0
  • options: Ship-to-home
  • quantity: 1

seller atvsienna:

  • # reviews: 76
  • rating: 98.7%
for models: sportsman, ranger, magnum, boss, for makes: polaris, part type: engine cylinder head, subassembly part numbers: 3085527, 3085071, california prop 65 warning: this product contains chemicals known to the state of california to cause cancer and birth defects or other reproductive harm.,
category: atv parts > atv, side-by-side utv parts accessories > engines engine parts > engine parts, sku: 9281527861192604,

Power Sports Nation PSN3085527 Is Similar To:

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1 offer $374.99 USD
  • Offer #1: $374.99 price + free delivery = $374.99* total. We reutilize the springs keepers and locks when possible The cylinder head is bead blasted and chemically cleaned for a nice, finished look.FREE SHIPPING