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The Supertech dual valve spring kit for Subaru EJ20/25 is specified at 70lbs with a 35.5mm dimension and includes steel retainers as noted. Offered to match heavier spring requirements, this kit is intended for EJ20 and EJ25 engines where the listed spring force and steel retainer configuration are required during valve train upgrades or replacement to achieve the specified installed geometry.
Supertech Subaru EJ20/25 70lbs/35.5mm Dual Valve Spring Kit (w/Steel Retainers)
