This Supertech dual valve spring set supplies 24 springs for BMW M50, M52, S50 and S52 engine applications. The dual-spring design helps control valve motion and supports reliable valve seating under higher RPM or demanding use. Supplied as a complete set, it provides a straightforward way to outfit these BMW engines with matched dual springs where factory replacement or upgrade is required.
Supertech BMW M50/M52/S50/S52 Dual Valve Spring - Set of 24