Iconic black silicone Hose Kit. Silicone hoses can operate under higher temperatures and pressures than OEM rubber hoses and are far less likely to perish too. So if your B-Series block is running increased power, this direct replacement, two-piece silicone oil cooler hose kit comes highly recommend. This kit fits all B series engines fitted with the factory water / oil cooler.
The hose kit replaces number 2 and number 3 in the diagram.