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Manley Performance Valve Spring Cups provide a precision-machined, durable foundation for valve springs while protecting the cylinder head from spring wear. Manufactured from premium materials and held to exacting tolerances, they help maintain proper spring alignment for reliable valvetrain performance in both street and racing applications.
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Paying for expedited shipping methods only affects the time frame once the package is in the hands of the carrier. Paying for these methods does not and can not affect actual product availability or turn around times.
