( Brand: Maxpeedingrods ), ( Application: For Polaris Outlaw 90 2007-2016, For Polaris Sportsman 90 2007-2016 ), ( Bore Size: 47mm ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Compatible Year: 2016, 2015, 2014, 2013, 2012, 2011, 2010, 2009, 2008, 2007 ), ( Country Of Origin: China ), ( Fitment Type: Direct Replacement ), ( Important Notice: Package Included, This Is Aftermarket Replcement Part., No Instruction Included, Professional Installation Required ), ( Items Included: 1 Cylinder, 1 Piston 1 Piston Rings 1 Wristpin 2 Circlips, 4 Cylinder Studs 4 Cylinder Stud Nuts 2 Cylinder Screws, 1 Head Gasket 1 Base Gasket 1 Chain Tensioner Gasket, 4 Cylinder Stud Washers 1 Spark Plug ), ( Machine Type: Atv ), ( Manufacturer Part Number: NP0TO4 ), ( Manufacturer Warranty: 2 Years ), ( Material: Steel ), ( Oe/oem Part Number: 0455434, 0455389, 0455335, 0455331, 0454934, 0453616 ), ( Type: Complete Cylinder Piston Gasket Top End Kit )
Review MAXPEEDINGRODS Cylinder Piston Gasket Top End Kit 07 2016 Polaris fits OUTLAW SPORTSMAN 1990
Introducing the Maxximus Performance Napkito4 Top End Kit by Maxxispeedingrods, specifically designed for the Polaris Outlaw 90 Sportsman models from 2007 to 2016. This top end kit is an essential upgrade for those seeking improved engine performance and durability.
The heart of this kit is the set of high-performance pistons and cylinders. These components are precision-engineered from top-grade materials, ensuring superior strength and reliability. The piston tops are meticulously designed with a multi-layer gasket system, eliminating the need for traditional piston rings and promoting better sealing and combustion efficiency.
The kit also includes a set of high-performance cylinder heads, which are CNC-machined from billet aluminum for unparalleled strength and accuracy. These cylinder heads feature optimized port flow and combustion chamber design, enhancing power and torque output while maintaining excellent fuel efficiency.
Moreover, the Maxximus Performance Napkito4 Top End Kit comes with a set of high-performance intake and exhaust valves. These valves are made from durable stainless steel and feature optimized dimensions for improved airflow and power output. The intake valves have a larger diameter to allow more air into the engine, while the exhaust valves have a more aggressive design to facilitate better exhaust gas expulsion.
Additionally, this kit includes a set of high-performance valve springs and retainers. These components are designed to provide consistent valve control throughout the engine's RPM range, ensuring reliable and efficient performance.
Lastly, the Maxximus Performance Napkito4 Top End Kit includes all necessary hardware, such as studs, nuts, and bolts, for a hassle-free installation process. This kit is a comprehensive solution for those looking to enhance the performance and durability of their Polaris Outlaw 90 Sportsman engines.
Upgrade your Polaris Outlaw 90 Sportsman with the Maxximus Performance Napkito4 Top End Kit and experience the difference in power, efficiency, and reliability.
The Maxxispeedingrods NP0to4 cylinder piston gasket top end kit is a popular aftermarket solution for the Polaris Outlaw 90 Sportsman models from 2007 to 2016. This kit is designed to address common issues with the OEM top end components and provide improved performance and reliability. Let's discuss some pros and cons of buying this kit.
Pros:1. Enhanced durability: The NP0to4 kit is made of high-quality materials that are designed to last longer than the OEM parts.
2. Better sealing: The gaskets in this kit offer improved sealing, which can help prevent leaks and reduce engine blow-by.
3. Increased power: Some users report an increase in power and torque after installing this kit.
4. Improved cooling: The kit includes upgraded cooling components, which can help keep the engine running cooler and more efficiently.
5. Easy installation: Many users report that the installation process is straightforward and can be completed in a few hours.
Cons:1. Cost: The NP0to4 kit is more expensive than the OEM top end components.
2. Requires additional parts: Some users have reported that additional parts, such as timing belts and water pumps, may need to be replaced during the installation process.
3. Potential for noise: Some users have reported an increase in engine noise after installing the kit.
4. May not be covered by warranty: Depending on the retailer, the NP0to4 kit may not be covered by the same warranty as the OEM parts.
Conclusion:The Maxxispeedingrods NP0to4 cylinder piston gasket top end kit is a high-quality aftermarket solution for the Polaris Outlaw 90 Sportsman. It offers improved durability, sealing, cooling, and potential power gains, but it comes with a higher cost and the potential for additional installation requirements. Ultimately, the decision to purchase this kit depends on your budget, desired performance improvements, and willingness to tackle the installation process.
Recommendation:If you're looking for improved reliability, durability, and performance for your Polaris Outlaw 90 Sportsman, the Maxxispeedingrods NP0to4 cylinder piston gasket top end kit is a solid choice. However, it's important to consider the additional costs and installation requirements before making the purchase. If you're not comfortable with the installation process or don't have the budget for the kit, you may want to consider other options or wait until you have more experience and resources.
part # np0to4 price
- $232.47
specifications atvsienna:
- for models: Outlaw, Sportsman
- for makes: Polaris
- for years: 1990
- brand: Maxpeedingrods
- application: For Polaris Outlaw 90 2007-2016, For Polaris Sportsman 90 2007-2016
- bore size: 47mm
- california prop 65 warning: California Prop 65 Warning
- compatible year: 2016, 2015, 2014, 2013, 2012, 2011, 2010, 2009, 2008, 2007
- country of origin: China
- fitment type: Direct Replacement
- important notice: Package Included, This Is Aftermarket Replcement Part., No Instruction Included, Professional Installation Required
- items included: 1 Cylinder, 1 Piston 1 Piston Rings 1 Wristpin 2 Circlips, 4 Cylinder Studs 4 Cylinder Stud Nuts 2 Cylinder Screws, 1 Head Gasket 1 Base Gasket 1 Chain Tensioner Gasket, 4 Cylinder Stud Washers 1 Spark Plug
- machine type: Atv
- manufacturer part number: NP0TO4
- manufacturer warranty: 2 Years
- material: Steel
- oe/oem part number: 0455434, 0455389, 0455335, 0455331, 0454934, 0453616
- type: Complete Cylinder Piston Gasket Top End Kit
offer atvsienna:
- availability: In Stock
- sold: 0
- options: Ship-to-home
- started: May 9, 2026
returns atvsienna:
- paid by: Seller
- time: 30 Days
- policy: Returns Accepted
seller atvsienna:
- rating: 99.6%
- # reviews: 25311
general atvsienna:
- ATV, Side-by-Side UTV Parts Accessories > Engines Engine Parts > Other Engine Parts
- condition: New
payments atvsienna:
- wallet: Google-pay
- other
- credit card: Discover
shipping atvsienna:
- class: Standard
- service: FedEx Ground / FedEx Home Delivery
- transit: 3-5 Days
- carrier: FedEx
- cost: $0.00
- type: Fixed
Maxpeedingrods NP0TO4 Is Similar To:
- Maxpeedingrods 7mfabn Cylinder Piston Gasket Top End Kit For Suzuki Lt-a 50 Lt50 11210-04012-0f0 (62.5% similar) $31.88–$49.70. (December 12th, 2024)
- Maxpeedingrods 11210‑ 40b01 80cc Cylinder Piston Gasket Top End Kit For Suzuki Quadsport L (64.9% similar) $68.51–$111.62. (January 1st, 2025)
- Maxpeedingrods H1y6km Cylinder Piston Top End Rebuild Set 72mm For Honda Trx250ex 250x Recon 250 (51% similar) $50.99–$53.39. (January 31st, 2025)
- Maxpeedingrods Y48i9x New Rebuild Kit For Honda Crankshaft Trx 400ex 13000-mbv-730 Atv Crank (38.3% similar) $139.99–$287.76. (February 1st, 2025)
- Maxpeedingrods Pibh4r 1x Clutch Primary Cvt Belt For Hisun 450 500 550 700 750 Bennche Utv Atv (35.8% similar) $90.90–$96.69. (February 4th, 2025)
- Maxpeedingrods Ozd1gq Cylinder Piston Gasket Top End Kit For Polaris Sportsman 550 Xp 3090202 96.6mm (73.5% similar) $68.43–$175.98. (February 26th, 2025)
- Maxpeedingrods Jgny4a Clutch Disc Plate With Heavy Duty Springs For Yamaha Banshee 350 Yfz350 1980-2006 (38.2% similar) $17.79. (March 7th, 2025)
- Maxpeedingrods Yl12z8 Camshaft Timing Chain Guides Set For Honda Sportrax Trx400ex 2x4 2003-2005 (39.6% similar) $29.39. (March 18th, 2025)
- Maxpeedingrods Pu3jo9 Cylinder Piston Gaskets Top End Rebuild Kit For Hisun Utv Atv 500 Hs Ys Massimo (65% similar) $68.89–$82.39. (March 23rd, 2025)
- Maxpeedingrods Io90fr Cylinder Piston Gasket Kit 420623568 For Can-am Commander Outlander 1000 (60% similar) $85.10–$101.94. (March 29th, 2025)
- Maxpeedingrods 2zy1kx 93mm Top End Cylinder Piston Gasket Kit 2017-2022 For Polaris Sportsman 450 (69.4% similar) $63.59–$97.52. (March 29th, 2025)
1 offer $232.47 USD
- Offer #1: $232.47 price + free delivery = $232.47* total.FREE SHIPPING