fits make: Polaris. year: 1976–1978.

( Manufacturer Part Number: 2276PS ), ( Part Type: Piston ), ( Inventory : 5452-1-je ), ( Control : 01012017 )
This Wiseco 2276PS forged piston is designed specifically for the Polaris 436 engine models manufactured between 1976 and 1978. Forged pistons, like this one from Wiseco, are engine components renowned for their exceptional strength, durability, and performance. By choosing a forged piston such as this 2276PS, you are investing in a robust and high-performing upgrade for your Polaris vehicle.
Design and Materials:Crafted from high-strength, forged aluminum alloy, the 2276PS Wiseco piston boasts enhanced mechanical properties compared to its cast counterparts. This forging process not only allows for a stronger final product but also minimizes the weight to provide better engine efficiency. Within the piston's structure, an enclosed Skull Cap design ensures optimal ring seal and combustion efficiency. The crown is also (freely moving design), ensuring superior thermal stability through a carefully balanced arrangement of radial and axial ribs.
Unique Features:The piston's temperature-resistant wrist pin and enhanced oil control rings build a strong relationship between the piston and the engine, improving power transmission and providing extended engine life. Moreover, Wiseco has implemented a unique, 3-piece wrist pin-bushing design. This design allows for the elimination of side- loading on the pin, resulting in improved durability and reduced contamination from engine oil.
Dimensions and Compatibility:With a compression height of 1.988 inches, a ring land diameter of 2.653 inches, and a piston diameter of 3.106 inches, this Wiseco forged piston tailors itself to fit flawlessly into the 1976, 1977, and 1978 Polaris 436 engines seamlessly.
Installation and Performance:Equipped with a step nose profile and anodized finish, the installation of the Wiseco 2276PS piston is facilitated, ensuring it drops easily into the engine cylinder. After careful installation, you can anticipate increased performance capabilities with improved power and torque output, as well as extended engine life. Additionally, this piston is engineered with a 0.020-inch overbore, allowing for easy bore sizing and engine upgrades.
Conclusion:When seeking a performance upgrade for your classic Polaris 436 engine in 1976, 1977, or 1978, the Wiseco 2276PS Forged Piston sets the bar high. With its unwavering strength, improved durability, and increased performance level, you'll not only enjoy a more powerful and responsive engine, but also an engine that promises extended longevity and reliability.
a. Improved Performance: Forged pistons offer greater strength and durability compared to stock pistons, leading to improved performance and longevity of the engine.
b. Enhanced Power Output: The 2276PS Wisco piston is specifically designed for higher power applications, offering better compression and efficiency, allowing for increased horsepower and torque.
c. Precision Engineering: Forged pistons are manufactured using precise engineering techniques, ensuring uniformity in shape and size, and reduces the chance of engine ovening or detonation.
2. Cons:a. Higher Cost: Forged pistons are usually more expensive than stock pistons due to the amount of material and labor required to manufacture them. This higher cost may make them less accessible for those on a tight budget.
b. Installation Complexity: Installing a forged piston kit may require additional expertise and specialized tools, making it a more complex process than a simple piston replacement.
c. Potential Clearance Issues: Careful consideration must be given to ensure proper clearance between piston and cylinder walls, as improper clearance could lead to serious engine damage.
Conclusion:The 2276PS Wisco 76-78 Polaris 436 forged piston (1976-1978) offers several benefits to those looking for enhanced engine performance and reliability. With improved strength and durability, increased power output, and precision engineering, this forged piston can contribute to a noticeable improvement in engine performance. However, the higher cost and installation complexity may dissuade some potential buyers.
Overall, if you value peak engine performance and long-term reliability, the benefits of a forged piston kit like the 2276PS Wisco kit may outweigh the additional cost and complexity for you. It is essential to ensure that you have the expertise and appropriate resources to install the piston correctly, or consult a professional to get it done properly.
Wiseco hi-performance piston 2276PS new in factory box old shelf stock free shipping.