The Supertech dual valve spring kit for BMW S14 16V and S38 24V engines is a matched set of dual springs intended to control valve motion and maintain consistent valvetrain operation. Supplied as a direct-fit solution for the S14 16-valve and S38 24-valve applications, the kit is useful for valvetrain rebuilds or cam upgrades where refreshed springs help preserve correct valve seating and consistent response through the rev range.
Supertech BMW S14 16V/S38 24V Dual Valve Spring Kit