They are the updated OEM replacement for the original platinums. Not sure when they were put in service.
They are the updated OEM replacement for the original platinums. Not sure when they were put in service.
I guess plugs are like wires. Always heard it good to go with OEM
2010 Silverado ECSB LS 4x4. Only mods so far are a K&N drop in filter and a Rough Country 2" front level kit