| This hose connects the intake manifold thermal coupling that sits underneath the air regulator to the t-stat housing via a bypass tube. This listing is for a single cooling system hose, requires two per car. These are custom made straight factory hoses. There is also an L shaped hose on the other coupling, and about a 5" long hose on the long bypass tube that goes around the front of the head. see listings. Last update 12/08 | 
