1. ATV Transmission & Drivetrain Parts Deals
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  3. SUNSTAR SPROCKETS 2-346639

SUNSTAR SPROCKETS 2-346639 Rear Sprocket Steel 840019107730 39T 520

fits model: Ksf450b, Kfx450r. make: Kawasaki. year: 2008–2012.

2-346639 Sunstar Sprockets Sprocket Rear 39t 520 Steel For Kawasaki Ksf450b Kfx450r 2008-2012

( Brand: Sunstar Sprockets ), ( Part Type: Sprocket ), ( Manufacturer Part Number: 2-346639 ), ( Warranty Details: See Manufacturer ), ( UPC: 840019107730 )

Review SUNSTAR SPROCKETS Sprocket Rear 39t 520 Steel Kawasaki fits KSF450B KFX450R 2008–2012

Introducing the Sunstar Sprockets 2-346639, a high-performance rear sprocket engineered specifically for Kawasaki KSF450B and KFX450R models produced between 2008 and 2012. This sprocket, made from robust 520 steel, is an essential component for enhancing your ATV's power transmission and overall performance.

Measuring 39 teeth in total, this sprocket strikes the perfect balance between torque and top-end power. Its large tooth count is ideal for handling the increased power output of high-performance modifications and upgrades. With each tooth precisely designed and manufactured, the sprocket ensures smooth and efficient power transfer from the engine to the drive wheels.

Constructed from 520 steel, this Sunstar sprocket is known for its exceptional strength and durability. This material is renowned for its ability to withstand the rigors of off-road riding, ensuring that your sprocket can handle the demands of your Kawasaki ATV with ease. The 520 steel construction also provides excellent resistance to bending and deformation, ensuring that your sprocket can last for countless hours of off-road fun.

Adding this Sunstar sprocket to your Kawasaki KSF450B or KFX450R is a simple and straightforward process. It is compatible with stock chain and sprocket configurations, making it a direct replacement for the OEM component. Installing the new sprocket involves removing the old one, ensuring the new sprocket's teeth align correctly with the engine and drive wheels, and reinstalling the chain.

Upgrading to a Sunstar 39T 520 steel sprocket offers numerous benefits for your Kawasaki ATV. Not only will it enhance your vehicle's power delivery and overall performance, but it will also provide increased durability and longevity compared to the OEM sprocket. With this upgrade, you'll experience better acceleration, smoother power transfer, and the confidence that comes with knowing your vehicle's drivetrain is built to last.

The Sunstar Sprocket 2-346639, a 39 tooth 520 steel rear sprocket, is a common replacement option for various Kawasaki ATV models including the KSF450B and KFX450R from the years 2008 to 2012. Let's weigh the pros and cons of purchasing this sprocket.

Pros:

1. Durability: The 520 steel material used in this sprocket is known for its strength and longevity. It can withstand heavy usage and rough terrain, making it a popular choice among ATV riders.

2. Compatibility: This sprocket is specifically designed for the mentioned Kawasaki models, ensuring a perfect fit and function.

3. Availability: The Sunstar 2-346639 sprocket is widely available at various dealerships and online retailers, making it easily accessible for buyers.

Cons:

1. Price: Compared to other aftermarket sprockets, the Sunstar 346639 may be on the pricier side. However, the investment in a durable and reliable sprocket could save money in the long run by reducing the need for frequent replacements.

2. Installation: Installing the sprocket may require some mechanical knowledge or professional assistance, although the process is generally straightforward.

3. Weight: The 520 steel material is denser and heavier than other materials, which could slightly affect the overall performance and fuel efficiency of the ATV.

In conclusion, the Sunstar Sprocket 2-346639 offers durability, compatibility, and reliability for Kawasaki KSF450B and KFX450R owners from 2008 to 2012. While it may have a higher price point and require some installation effort, the long-term benefits and peace of mind make it a worthwhile investment.

Recommendation: If you are looking for a high-quality, durable, and reliable replacement sprocket for your Kawasaki KSF450B or KFX450R, the Sunstar Sprocket 2-346639 is an excellent choice. Considering the benefits and potential cons, we would recommend this product to any serious ATV rider looking to enhance their vehicle's performance and longevity.

part # 2346639 price

  • $37.90

specifications utvshift:

  • for models: Ksf450b, Kfx450r
  • for makes: Kawasaki
  • for years: 2008-2012
  • brand: Sunstar Sprockets
  • part type: Sprocket
  • manufacturer part number: 2-346639
  • warranty details: See Manufacturer
  • upc: 840019107730

payments utvshift:

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  • credit card: Mastercard
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seller utvshift:

  • # reviews: 611190
  • rating: 99.2%

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  • carrier: UPS
  • type: Fixed
  • class: Standard

general utvshift:

  • condition: New
  • ATV, Side-by-Side UTV Parts Accessories > Transmission Drivetrain > Other Transmission Drivetrain Parts

offer utvshift:

  • started: April 25, 2025
  • sold: 0
  • availability: In Stock
  • quantity: 2
  • options: Ship-to-home

returns utvshift:

  • policy: Returns Accepted
  • time: 30 Days
  • paid by: Buyer
for models: ksf450b, kfx450r, for makes: kawasaki, for years: 2008-2012, part type: sprocket, warranty details: see manufacturer,
category: atv parts > atv, side-by-side utv parts accessories > transmission drivetrain > transmission drivetrain parts, sku: 5400149890039533,

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