Supertech titanium valve retainers for SPR-H1000 series, sized for 6.6mm valve stems and supplied as a set of eight. These retainers are intended for use with compatible valve locks and springs in engines that specify SPR-H1000-style hardware, providing lightweight retention components suitable for aftermarket valve train assemblies and rebuilds.
Supertech Titanium Retainer for SPR-H1000 / 6.6mm Valve Stems - Set of 8