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Manley lightweight spring retainer (RET-TI LIGHTWEIGHT 640) is a compact, reduced-mass valve-train component intended to lower rotating weight and support higher rev potential. As a lightweight retainer option, it helps minimize valvetrain inertia and contributes to quicker engine response when paired with suitable springs and locks. This concise description reflects the part identity and its practical use in valvetrain setups.
Manley Spring Retainer, RET-TI LIGHTWEIGHT 640
