WISECO WI-7141-106315 Pro Lite Cd Piston Kit 67.72MM

( Brand: Wiseco ), ( Manufacturer Part Number: WI-7141-106315 ), ( Part Type: Piston )

Review WISECO Pro lite Cd Series Piston Kit 67.72mm Polaris fits LONGTRAK 440 1984–1990

The WiseCO PRO-LITE CD Piston Kit (part number: Wi-7141-106315) is a premium replacement solution for Polaris 440 Longtrak snowmobiles manufactured between 1984 and 1990, measuring 67.72mm in bore size. This piston kit is designed to deliver improved performance, reliability, and durability for your beloved snowmobile.

Each piston in this set is meticulously crafted using advanced engineering techniques to ensure a perfect fit and optimal engine efficiency. The piston crown is CNC machined from a high-strength aluminum alloy, providing excellent heat dissipation and resistance to detonation. The piston skirt is designed with a full-skirted, oil-cooled, and ribbed profile to minimize friction and reduce the risk of scuffing.

The piston rings included in this kit are made from a precision-formulated, chrome-nitride-coated steel alloy. This material ensures superior ring sealing and longer ring life, even under heavy use. The rings are designed to provide a perfect seal while allowing for proper clearance between the piston and cylinder wall, preventing any potential damage to the engine.

The piston kit also comes with a set of WiseCO's high-performance, CD-style piston pins. These pins are precision-machined from a heat-treated, chrome-molybdenum steel alloy, ensuring superior strength and durability. The pins are also designed with a full-floating, ball-and-groove design that minimizes friction and allows for smooth piston movement.

In summary, the WiseCO PRO-LITE CD Piston Kit (Wi-7141-106315) is a top-tier replacement solution for your Polaris 440 Longtrak snowmobile. This kit includes high-quality pistons, piston rings, and piston pins, all designed to provide improved performance, reliability, and durability for your engine. By upgrading to this piston kit, you'll be able to enjoy a smoother, more efficient, and more powerful riding experience on your beloved snowmobile.

Wiseco WI-7141-106315 Pro-Lite CD Piston Kit for Polaris 440 Longtrak (1984-1990): Pros, Cons, and Conclusion

The Wiseco WI-7141-106315 Pro-Lite CD Piston Kit is a popular upgrade for Polaris 440 Longtrak models from 1984 to 1990. This kit is designed to enhance engine performance and durability. In this analysis, we will discuss the merits and demerits of purchasing this piston kit.

1. Enhanced Engine Performance: The Wiseco Pro-Lite CD pistons are designed using advanced technology, such as compression-deforming domes, which provide better combustion efficiency. This results in increased power output and improved throttle response.

2. Improved Durability: Wiseco pistons are known for their superior strength and durability. The Pro-Lite CD pistons are manufactured using a proprietary forging process that ensures they can handle the rigors of off-road riding.

3. Customizable: The Wiseco Pro-Lite CD kit comes with pistons that cater to various compression ratios, allowing riders to choose the right piston for their specific riding style and engine setup.

4. High-Quality Material: The pistons are made of 2618-T6 aluminum alloy, which is known for its excellent strength and heat resistance. This ensures that the pistons can handle high engine temperatures and the demands of off-road riding.

1. Cost: The Wiseco Pro-Lite CD piston kit is more expensive than OEM pistons. However, the increased performance and durability may justify the additional cost for some riders.

2. Installation Complexity: Installing the Wiseco piston kit requires a certain level of mechanical expertise. It may be challenging for riders without experience in engine rebuilds or those who do not have access to the necessary tools.

3. Potential Clearance Issues: Depending on the specific engine configuration, there may be clearance issues between the pistons and the engine components. This could necessitate additional modifications or custom parts.

The Wiseco WI-7141-106315 Pro-Lite CD Piston Kit offers significant benefits for Polaris 440 Longtrak owners, including improved engine performance and durability. However, it comes with a higher price tag and may require a certain level of mechanical expertise for installation. Ultimately, the decision to purchase this piston kit depends on your riding style, budget, and technical capabilities. If you value superior engine performance and durability and are willing to invest in the upgrade, the Wiseco Pro-Lite CD piston kit is an excellent choice. On the other hand, if you are on a tight budget or lack the necessary mechanical skills, you may want to consider alternative options.

If you are considering purchasing the Wiseco WI-7141-106315 Pro-Lite CD Piston Kit for your Polaris 440 Longtrak, thoroughly assess your mechanical abilities, budget, and desired engine performance. Consult with a trusted mechanic or off-road parts specialist to determine if this upgrade is right for you. If you decide to proceed, ensure that you have the necessary tools and expertise to install the kit properly. Alternatively, consider having a professional install the kit to ensure optimal performance and longevity.

Details:

Wiseco Piston kit. All Wiseco pistons and components are optimized for your vehicle to get the most value money.: Brand: Wiseco, model Number: WI-7141-106315. Wiseco wide range of oversize pistons increase the life cast iron lined cylinders.

Parts without fitment are to be assumed universal and may require vehicle modification. CD Series Ring - Alloy Steel, Ferric coated, chrome plated, internally notched, Compatibility, Polaris 440 Indy 121 1992-1998, LC 1996-1997, SKS 133 1993-1995, XCF 1997-1998, LongTrak 1984 -1990, Reverse 1987-1989, Sport 1991-1999, 141 1991-1992, 1994, Touring 1995-1999, SS 1985-1986, Super 1994-1997, Trail Deluxe 1993, Transport 136 1996-1999, XCR 1992-1994. Diamond turned finish from one of the many CNC computer controlled turning centers guarantees you a perfect with no size variation. This is helpful if you are buying multiple items.

Actual Contents May Vary From Photo, All Wiseco Pistons are forged from high silicon, low expansion aluminum which offers superior strength, reduced weight, improved heat transfer, and longer life. I need to exchange an item. STANDARD and OVERSIZES are not indicated.

part #: wi7141106315 price

• $138.21

specifications enginesnowmobile:

• for models: 440, Longtrak
• for makes: Polaris
• for years: 1984-1990
• brand: Wiseco
• mpn: Wi-7141-106315
• part type: Piston

shipping enginesnowmobile:

• service: Standard
• type: Fixed
• class: Standard
• cost: $0.00
• transit: 2-5 Days

payments enginesnowmobile:

• credit card: Mastercard
• other
• wallet: Paypal

returns enginesnowmobile:

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

offer enginesnowmobile:

• started: February 9, 2026
• options: Ship-to-home
• availability: In Stock
• quantity: 2
• sold: 0

general enginesnowmobile:

• condition: New
• Snowmobile Parts > Engines Components > Snowmobile Engine Components

seller enginesnowmobile:

• city: Boise, ID
• # reviews: 77265
• rating: 99.9%

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