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Upgrade your engine with the S&S CYCLE Cylinder Stud & Head Bolt Kit designed specifically for 2017-2023 M8 models. This comprehensive kit includes eight high-strength studs and eight head bolts, ensuring reliable performance under demanding conditions. Crafted from 4140 Chrome Moly steel, these studs feature rounded thread roots that enhance fatigue resistance, providing increased durability over standard options. The oil-quenched and tempered construction achieves a hardness of 39-44 HRC, contributing to long-lasting wear and strength. The positive stop shoulder design guarantees consistent installed height, simplifying assembly and ensuring optimal head gasket sealing. These studs boast an impressive 180,000 psi tensile strength, making them suitable for high-performance applications. The head bolts are made from heat-treated 8640 steel with a 200,000 psi ultimate tensile strength, offering a 14% increase in strength compared to stock bolts. Each bolt features an integral washer and formed threads, with cold-formed heads for precise fitment. Compatible with both MLS and graphite head gaskets, this kit provides a versatile solution for engine rebuilds and upgrades. Whether you're restoring a vintage build or enhancing a custom motorcycle, the S&S CYCLE kit delivers the reliability and strength required for demanding riding conditions, ensuring your engine remains secure and performing at its best.
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