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The Supertech chrome‑moly steel retainer for the SPR-H1000 series is specified for a 7.0mm valve stem and replaces the factory retainer on compatible springs. As a steel replacement, it secures the spring and keeper at the correct seat geometry for engines using SPR‑H1000 springs with 7.0mm stems, intended for valvetrain repairs or component swaps where that stem size is required.
Supertech Retainer for SPR-H1000 Series 7.0mm Valve Stem Chrome Moly Steel
