Cadillac northstar deville assembly heater core inlet & outlet pipes. Cadillac Northstar DTS DHS Pressurized Surge Low Coolant Level Sensor 2000-2005.
Just saw these guys on Performance TV on Velocity. These guys seem to be doing Gods work with these now aging Northstar Motors. Redesigned Headbolts and Gaskets to custom tuned PCMS. A great choice to get rid of the BS that GM set by default in alot of these motors. For example the basic PCM...