SiR Valves Springs and Ti Retainers

Here is what we use here in our SiR engines for Valve springs and Titanium retainers.   Specially developed for increased travel to keep the valve train away from coil bind  Includes  12pc Exhaust Valve Springs 12pc Intake Valve Springs 24pc Titanium Retainers This setup is designed to work with the OEM valve spacers on the bottom as well as OEM keepers