These go between the block and the Upper Radiator Tube. These are more durable than the regular rubber ones for their resistance to oil. I have a few sets on hand and are for $30 shipped via USPS. They come with NO clamps b/c you can use the OEM ones. $31 if paying through PayPal. These are the last Coolant Bypass Hoses you will ever have to buy. Only available in blue. I can provide references. Thank you for looking.