WSM 54-311-12 Top End Rebuild Kit Atv Utv .5MM Atv/utv Bike

( Brand: Wsm ), ( Manufacturer Part Number: 54-311-12 ), ( Make: Polaris )

Review WSM Top end Rebuild Kit .5mm Over Motorcycle Atv/utv Bike fits STREET

The WSM 54-311-12 Top-End Rebuild Kit is designed specifically for ATV and UTV applications, as well as select street bikes. This top-end rebuild kit is a must-have for those looking to extend the life of their engine or restore it to its original performance.

The kit includes a complete set of high-quality piston rings, piston pins, and gudges for the cylinder and piston. Each component is meticulously engineered to provide superior sealing and durability. The piston rings are made from a heat-resistant, low-friction material to ensure a snug fit and optimal compression. The piston pins are manufactured from high-strength steel to withstand the rigors of off-road riding or high-performance street use.

Additionally, the WSM 54-311-12 Top-End Rebuild Kit comes with a set of cylinder head gaskets. These gaskets are designed to provide a perfect seal between the cylinder head and engine block, preventing coolant and oil leaks. The gaskets are precision-machined to ensure a flat, uniform surface for optimal sealing.

This top-end rebuild kit is suitable for engines with a 5mm piston pin size. It is recommended for use in engines that have seen heavy use or have exhibited signs of wear, such as oil leaks, coolant leaks, or decreased performance. By replacing these critical engine components, you can restore your engine to its original performance and extend its life.

The WSM 54-311-12 Top-End Rebuild Kit is an essential tool for any ATV, UTV, or select street bike owner looking to perform maintenance on their engine. With its high-quality components and precise engineering, this kit is the perfect solution for those seeking to ensure the longevity and optimal performance of their engine.

The WSM 54-311-12 Top-End Rebuild Kit is a popular choice among ATV/UTV street bike owners for engine overhauls. This kit includes all necessary components for rebuilding the top end of the engine, such as pistons, rings, cylinder liners, and gaskets. Here are some pros and cons to help you decide if purchasing this kit is right for you:

1. High-quality components: The WSM rebuild kit uses top-grade materials for long-lasting performance.

2. Comprehensive: This kit includes all the necessary components for a top-end rebuild, making it a convenient one-stop solution.

3. Improved engine performance: A rebuild using this kit can lead to improved engine performance and increased power.

4. Cost-effective: In the long run, a rebuild can save you money compared to buying a new engine or continually repairing a worn-out one.

5. Customizable: The kit can be used for various engine sizes, making it a versatile option.

1. Time-consuming: Rebuilding an engine is a labor-intensive process that requires a significant investment of time.

2. Technical expertise: A top-end engine rebuild requires a good understanding of internal combustion engines, so it may not be suitable for inexperienced mechanics.

3. Expensive upfront: The cost of the kit and the tools required for the rebuild can be substantial.

4. Potential for errors: There's a risk of damaging components during the rebuild process, which could lead to additional costs.

In conclusion, the WSM 54-311-12 Top-End Rebuild Kit offers several advantages, including high-quality components, comprehensive coverage, improved engine performance, cost-effectiveness, and versatility. However, it also requires a significant investment of time, technical expertise, and money.

If you're an experienced mechanic or enthusiast who values engine performance and longevity, this kit could be a worthwhile investment. On the other hand, if you lack the time, skills, or resources to tackle a top-end rebuild, it might be more practical to consider other options, such as engine repairs or even a new engine. Ultimately, the decision to purchase the WSM rebuild kit depends on your priorities, budget, and mechanical capabilities.

Details:

Any damage claims may be exchanged for the identical item only. Sold as: Kit. Top-quality piston kits. Polaris Sportsman 500 6x6 2003.

Top-End Rebuild Kit. Polaris Sportsman 500 HO 2004. Includes pistons, rings, pins, clips, needle bearings, head and base gaskets intake exhaust oil filter for 4-stroke model's. Polaris Sportsman 500 6x6 2007.

part #: 5431112 prices

• $99.99-$177.39

specifications pistondon:

• for models: Street
• brand: Wsm
• mpn: 54-311-12
• make: Polaris

returns pistondon:

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

offer pistondon:

• availability: In Stock
• options: Ship-to-home
• sold: 0
• started: December 23, 2025
• quantity: 3

payments pistondon:

• other
• wallet: Paypal
• credit card: Discover

shipping pistondon:

• cost: $0.00
• type: Fixed
• service: Economy, Standard, Expedited
• transit: 3-7 Days
• class: Economy, Standard, Expedited

seller pistondon:

• rating: 99.4%
• # reviews: 606499
• city: Loudon, Tennessee

general pistondon:

• condition: New
• Motorcycle Scooter Parts Accessories > Engines Engine Parts > Pistons, Rings Piston Kits

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