1. Personal Watercraft Parts Products
  2. sku: 11456459930715633
  3. MARINEPARTSDISTRIBUTORS 54-312-12A6

MARINEPARTSDISTRIBUTORS 54-312-12A6 Top End Engine Rebuild Kit 99.5MM 0.50MM

fits model: Efi, 570, Sportsman. make: Polaris. year: 2014–2024.

54-312-12a6 Marinepartsdistributors Top End Engine Rebuild Kit 99.5mm 0.50mm Over 14-24 Polaris Sportsman 570 Efi

( Brand: Marinepartsdistributors ), ( Manufacturer Part Number: 54-312-12A6 ), ( Part Type: Engine ), ( Warranty: 1 Year ), ( California Prop 65 Warning: This Product May Expose You To Chemicals Which Are Known To The State Of California To Cause Cancer And Birth Defects Or Other Reproductive Harm. For More Information Go To Www.p65warnings.ca.gov ), ( Country Of Origin: Taiwan ), ( Source: Aftermarket )

Review MARINEPARTSDISTRIBUTORS Top End Engine Rebuild Kit 99.5mm 0.50mm Over Polaris fits SPORTSMAN EFI 570 2014–2024

54-312-12a6 Top End Engine Rebuild Kit for Polaris Sportsman 570 EFI (99.5mm, 0.50mm, 14-24)

The 54-312-12a6 Top End Engine Rebuild Kit is specifically designed for the Polaris Sportsman 570 EFI models, catering to engines with a bore size of 99.5mm and a stroke length of 0.50mm. This kit is suitable for cylinder numbers 14-24.

This comprehensive rebuild kit includes all the essential components required to restore your engine to its original performance. The top end rebuild kit comprises several crucial parts, such as:

1. New piston rings (Compressive Ring Set, Oil Control Ring, and Top Compressive Ring)

2. New piston pins

3. New cylinder check valves

4. New valves (Intake and Exhaust)

5. New valve springs and retainers

6. New valve seals

7. New piston gudges

8. New valve adjusters

9. New camshaft and lifters (as required)

10. New timing chain and guides

These high-quality components are meticulously engineered to ensure a precise fit and optimal engine functionality. Each part is designed to work in harmony, contributing to the engine's durability, power, and efficiency.

Rebuilding your engine using this 54-312-12a6 Top End Engine Rebuild Kit is an excellent investment for anyone looking to extend the life of their Polaris Sportsman 570 EFI. Not only does it restore the engine's performance, but it also helps prevent future engine issues.

In summary, this 54-312-12a6 Top End Engine Rebuild Kit is an essential tool for any Polaris Sportsman 570 EFI owner seeking to maintain their vehicle's engine in top condition. With its comprehensive list of premium components, this kit offers a cost-effective solution for those looking to restore their engine to its original performance level.

Top End Engine Rebuild Kit for Polaris Sportsman 570 EFI (54-312-12a6) - Pros, Cons, and Conclusion

The Polaris Sportsman 570 EFI is a popular all-terrain vehicle known for its durability and performance. A top end engine rebuild kit like the 54-312-12a6 can help extend the life of your engine and improve its efficiency. In this discussion, we will explore the merits and potential drawbacks of purchasing this specific rebuild kit for your Polaris Sportsman 570 EFI.

Pros:

1. Enhanced engine performance: The top end engine rebuild kit includes new components like pistons, rings, and cylinder heads. These parts can help increase engine compression, improve combustion efficiency, and reduce engine wear.

2. Cost-effective: Rebuilding an engine instead of buying a new one can save you a significant amount of money in the long run. The cost of the rebuild kit is a fraction of what you would pay for a new engine or a replacement ATV.

3. Improved fuel economy: By replacing worn-out engine parts, the rebuild kit can help improve your engine's fuel efficiency. This means you'll be spending less money on gas over time.

4. Customizability: If you're an enthusiast and want to fine-tune your engine, a rebuild kit can give you the opportunity to do so. You can choose specific components to enhance your engine's performance, power, or efficiency.

Cons:

1. Time-consuming: Engine rebuilds require a considerable amount of time and effort. If you're not mechanically inclined or don't have the necessary tools, you may need to hire a professional to do the job.

2. Risk of damage: During the rebuild process, there is a risk of inadvertently damaging other engine components. This could lead to additional repair costs and downtime.

3. Potential for subpar parts: While reputable manufacturers like Polaris produce high-quality rebuild kits, there are also aftermarket kits with subpar components. Be sure to purchase your kit from a trusted supplier to avoid this issue.

Conclusion:

The 54-312-12a6 top end engine rebuild kit for the Polaris Sportsman 570 EFI offers several benefits, including enhanced engine performance, cost savings, improved fuel economy, and customizability. However, it also comes with some drawbacks, such as the time-consuming nature of the rebuild process, the risk of damaging other components, and the potential for subpar aftermarket parts.

If you are comfortable with engine rebuilds, have the necessary tools and expertise, and want to save money in the long run, then the rebuild kit is a worthwhile investment. However, if you're not mechanically inclined or don't have the time to dedicate to the rebuild process, it may be more cost-effective to consider purchasing a new or used ATV instead.

Recommendation:

Ultimately, the decision to purchase a top end engine rebuild kit for your Polaris Sportsman 570 EFI depends on your skills, resources, and goals. If you're confident in your mechanical abilities and want to save money by rebuilding your engine, then go for it. However, if you're unsure or would prefer a more straightforward solution, consider purchasing a new or used Polaris Sportsman 570 EFI instead. Whichever route you choose, be sure to do your research and make an informed decision based on your specific needs and circumstances.

Details:

Aftermarket parts are not sourced from the original vehicle or equipment manufacturer, but designed to function same as - if better than. As a parts distributor we mostly sell aftermarket any OEM would be noted as such. All parts sold are new. Top End Engine Rebuild Kit 99.5mm 0.50mm Over 14-24 Polaris Sportsman 570 EFI: Replaces Part Numbers Specifications.

Top End Rebuild Kit, Replaces: Source: Aftermarket.

specifications perwatercraft:

  • for models: Efi, 570, Sportsman
  • for makes: Polaris
  • for years: 2014-2024
  • brand: Marinepartsdistributors
  • mpn: 54-312-12a6
  • part type: Engine
  • warranty: 1 Year
  • california prop 65 warning: This Product May Expose You To Chemicals Which Are Known To The State Of California To Cause Cancer And Birth Defects Or Other Reproductive Harm. For More Information Go To Www.p65warnings.ca.gov
  • country of origin: Taiwan
  • source: Aftermarket

general perwatercraft:

  • Parts Accessories > Personal Watercraft Parts > Other Parts
  • condition: New

seller perwatercraft:

  • city: Deerfield Beach, Florida
  • # reviews: 22370
  • rating: 98.8%

payments perwatercraft:

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

offer perwatercraft:

  • sold: 0
  • quantity: 7
  • started: April 3, 2026
  • options: Ship-to-home
  • availability: In Stock

returns perwatercraft:

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

shipping perwatercraft:

  • type: Fixed
  • cost: $0.00
  • class: Economy, Standard, Expedited, One-day
  • transit: 4-8 Days
  • service: Economy, Standard, Expedited, Overnight
for models: efi, 570, sportsman, for makes: polaris, for years: 2014-2024, part type: engine, warranty: 1 year, california prop 65 warning: this product may expose you to chemicals which are known to the state of california to cause cancer and birth defects or other reproductive harm. for more information go to www.p65warnings.ca.gov, country of origin: taiwan, source: aftermarket,
category: watercraft parts > parts, sku: 11456459930715633,

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