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The Supertech dual valve spring kit for Subaru EJ20/25 is specified at 58lbs with a 36mm dimension and offered as a kit to replace both springs required per valve train assembly. Intended for direct replacement on compatible EJ20 and EJ25 engines, it restores the listed spring pressure and dimensions during rebuilds or valve spring service to maintain correct valve control.
Supertech Subaru EJ20/25 58lbs/36mm Dual Spring Kit
