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Upgrade your Harley-Davidson Big Twin engine with the S&S CYCLE hydraulic tappet assemblies, part number 330-0381. These precision-machined components are designed for optimal performance and durability, featuring heat-treated bodies that withstand rigorous engine operation. The +0.003" oversize design ensures a precise fit, helping to restore or improve valve train performance.
Constructed with premium-quality anti-pump-up hydraulic inserts, these tappets effectively regulate oil pressure to maintain consistent valve clearance and prevent pump-up issues, which can lead to engine misfires or decreased performance. The advanced hydraulic system minimizes mechanical noise from the valve train, resulting in a quieter and smoother ride. Made in the USA, these assemblies meet strict quality standards to ensure reliability and longevity in demanding riding conditions.
Ideal for restoring vintage Big Twin engines from 1953 to 1984, the S&S CYCLE hydraulic tappet assemblies facilitate easier maintenance and enhanced engine efficiency. Their robust construction and precise engineering provide a dependable solution for enthusiasts seeking high-performance upgrades or replacements. Whether you're rebuilding an engine or performing routine maintenance, these tappets are engineered to deliver consistent, high-quality results, ensuring your Harley-Davidson runs smoothly for years to come.
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