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The WOSSNER K4081DA-2 piston kit is engineered for high-performance applications, featuring a 4.375-inch stroke designed to optimize engine power and efficiency. Crafted with precision, this kit includes a piston, piston rings, piston pin, and retaining clips, providing everything needed for a complete upgrade. The piston’s anodized surface significantly enhances resistance to extreme heat and wear, ensuring durability during demanding operation. Additionally, the hardcoat anodize treatment improves thermal diffusivity by up to 10%, allowing for better heat management and reducing the risk of thermal fatigue in high-temperature environments. This treatment also improves ring groove wear resistance, extending the lifespan of the piston and maintaining optimal sealing performance over time. The kit’s valve pocket specifications—intake and exhaust diameters of 1.780 inches, depths of 0.200 inches, and angles of 27 degrees—are tailored for precise valve clearance and efficient airflow, contributing to improved engine breathing and power output. Designed for enthusiasts seeking reliable performance, the WOSSNER piston kit offers a robust solution for enhancing engine longevity and power in 107 CID applications.
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