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The Edelbrock Sure Seat valve spring (part #5745) is a replacement set for several Edelbrock cylinder head casting numbers (including 50459, 60439, 60459, 60479, 60559 and related heads). Made of high‑quality spring wire and precision wound to close tolerances, these springs are intended as replacements for the specified Edelbrock heads and are offered to match the original head configurations.
Edelbrock V/S 6045/6047/6049/6055
