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The KPMI Cylinder Stud Kits for Yamaha (Part Number 80-82450) are designed for high-performance engine applications, ensuring maximum strength and durability. Crafted from premium grade 8740 material with a yield strength of 180,000 psi, these studs undergo heat treatment to enhance their mechanical properties. The threads are rolled after heat treating, a process that retains maximum compressive stresses and extends fatigue life, making these studs highly reliable under demanding conditions. The case end threads are engineered with a slight interference fit, maintaining strong thread contact even at elevated temperatures, which is crucial for maintaining engine integrity during high-stress operation.
These studs are centerless ground to guarantee perfect concentricity, resulting in precise fitment and alignment. Finished with a sleek black oxide coating, they offer an excellent appearance while providing corrosion resistance. Whether for engine rebuilds or high-performance upgrades, these KPMI cylinder studs deliver the strength and reliability needed for demanding Yamaha engine applications. Their robust construction and meticulous manufacturing process make them a trusted choice for professional mechanics and enthusiasts seeking long-lasting performance.
Each kit provides a comprehensive set of studs designed to withstand the rigors of high-performance use, ensuring your engine remains secure and functions optimally under extreme conditions.
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