7M Thermostat Spacer Style:Thermostat Spacer AND AN Thermostat Cover The NGK part number is

The NGK part number is 58979 (CPB-GM006)

A full set of 12 to replace the fasteners for both valve covers:

RS Electronics) to make sure you don't get a knockoff

Black anodized to be E85 compatible

Fuel rail extruded in the USA

7M Thermostat Spacer Style:Thermostat Spacer AND AN Thermostat Cover The NGK part number isThermostat spacer to fit the stock thermostat housing on the 7M GTE. This moves the stock thermostat forward 20mm, away from the front of the block to allow removal of the stock front timing cover without draining the cooling system. We've added two additional 1 8 NPT holes for aftermarket gauge and ECM real time sensors. You can add coolant temperature and or coolant pressure sensors without losing the stock sensors or having to drill and tap new