Nevlock Performance
Vauxhall / Opel
Valve Stem Seal Set with retainers combined
Only to be used with single valve springs
Also replacing the standard spring seat which is no longer needed
Compatible Engines Listed Below
Z20LEH
Z20LEL
Z20LER
Z20LET
Put a stop to the well known valve stem seal leak and stop them popping off under hard use at the same time what these engines are well known for!!!!