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The S&S CYCLE Hydraulic Tappet Assembly (Part Number 330-0380) is engineered for reliable performance in Harley-Davidson Big Twin engines from 1953 to 1984. Crafted with precision-machined and heat-treated bodies, these tappets ensure durability and consistent operation under demanding conditions. The premium-quality anti-pump-up hydraulic inserts are designed to reduce valve train wear and prevent hydraulic lock, contributing to smoother engine performance and longer component life. Made in the USA, this assembly guarantees quality standards and compatibility with vintage Big Twin models. Installation of these hydraulic tappets can significantly reduce valve train noise, enhancing overall engine sound and rider comfort. Whether you're restoring a classic Harley or maintaining a vintage engine, these tappets provide a reliable upgrade for your motorcycle's valve train system.
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