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The Supertech dual valve spring kit for the BMW S50B30 Euro version is a matched set of dual springs intended to control valve motion and maintain consistent valvetrain operation. Supplied as a direct-fit option for the Euro S50B30 application, the kit is aimed at valvetrain refreshes or camshaft upgrades where replacing springs helps restore correct valve seating and reliable response throughout the rev range.
Supertech BMW S50B30 EURO VERSION Dual Valve Spring Kit
