fits model: Mxz, Summit. make: Ski-doo.

( Brand: Wiseco ), ( Manufacturer Part Number: SK1379 ), ( Part Type: Piston ), ( Pistons: 2 )
The Wiseco Piston Top Kit is an essential upgrade for the 82mm Summit Racing Ski-Doo MXZ 800R engines, modeled specifically for enhanced performance and reliability. Engineered in collaboration between Wiseco and Ski-Doo, this piston kit not only boasts superior quality but also adheres to the stringent OEM specifications to ensure flawless integration with your Ski-Doo.
The heart of this kit lies in the new forged pistons, crafted from a high-strength alloy. This material results in impressive durability, accommodate increased compression, and provide superior heat transfer. The piston design features Wisco s proven dome shape, visibly enhancing power output while minimizing the potential for engine detonation.
Another significant addition to the Wiseco Piston Top Kit for Ski-Doo MXZ 800R engines include updated rings: a compression ring, oil ring, and top ring. These rings are manufactured using specialized materials and innovative designs to promote superior sealing and performance. Compared to stock rings, the new rings offer enhanced ring land consistency, overall strength, and successful reduction of piston-to-bore contact, which can lead to extended engine life.
Equipped with durable, high-performance wrist pins, this kit ensures reduced friction at the piston-connecting rod interface to help improve engine efficiency. These pins are further treated with a Teflon coating for enhanced lubrication and reduced wear under heavy-load conditions.
Additionally, this top kit incorporates lightweight, sturdy connecting rods that foster improved balance throughout the engine. Combined with the new forged pistons, this in turn increases the engine's overall efficiency and longevity.
Easily identify this top kit with its inventory part number - SK1379. By installing this Summit Racing Wiseco Piston Top Kit on your Ski-Doo snowmobile, you can anticipate improved power, enhanced engine reliability, and prolonged engine life.
Ski-Doo's 82 50mm Summit Piston Top MXZ PTEK SK1379 Wiseco Kit End is an upgrade option for the 800R engine, promising enhanced performance. Here's a detailed analysis of the potential advantages and drawbacks:
Pros:1. Increased Power & Torque: The Wiseco piston kit is designed to deliver more power and torque, resulting in improved acceleration and handling, ideal for those desiring a more responsive and powerful ski-doo.
2. Durability: High-quality cast pistons and optimized rings contribute to better compression and ring sealing, leading to a longer engine lifespan.
3. Enhanced Cooling: Summit's piston top design allows for improved cooling, reducing engine temperatures and ensuring better performance in prolonged operating periods.
4. Customizable: The kit offers flexibility to fine-tune your engine by allowing you to choose from different piston dome sizes and ring packages based on your specific application and desired performance.
Cons:1. Cost: The Wiseco kit end is a premium upgrade, and the cost of purchasing and installing these components can be somewhat substantial.
2. Complex Installation: The kit installation involves not just the pistons and rings but also numerous other parts, which can be a complicated process. It is recommended to employ a professional for installation to minimize risks.
3. Potential for Reduced Fuel Economy: Enhanced power often comes at the expense of fuel efficiency. Depending on your riding style and usage patterns, you might experience an increase in fuel consumption.
4. Potential for More Engine Noise: The upgraded power might lead to a louder engine, which could be a concern if you are sensitive to noise.
Conclusion:The Summit Piston Top MXZ PTEK Ski-Doo 800R Sk1379 Wiseco Kit End offers enhanced performance, increased durability, and more power for those willing to invest in a higher-performing engine. However, it comes with added complexity regarding installation, an initial cost, potential fuel consumption, and the increased noise.
Recommendation:Considering the pros and cons, the Wiseco kit end is a recommended choice for those seeking optimal performance in their ski-doo. Riders who prioritize power, durability, and enhanced cooling over convenience, ease of installation, and reduced fuel efficiency will benefit significantly from this engine upgrade. However, it is essential to carefully weigh the benefits against the costs before making a decision.
50 mm bore oversize. 50mm over bore to 82.
Wiseco SK1379 top end piston kit. 50 mm technical singe ring keystone skirt coating armor glide includes 2453m08250 ski doo 800 ptek'08 11 etc'12 16 3248ka3248ka 3.