Iconic 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, seven-piece silicone coolant hose kit comes highly recommend. They brighten up your engine bay too and are available in black with our distinctive blue inner colour and #Iconic logo. These will only all B series engines B16 / B18 except any engines with a B18c4 cylinder head (GSR head)