This is new pair of OE look thermostat housing and water inlet neck bolts. This bolt kit will fit Datsun 240Z and Datsun 260Z, 1970-74. These are not actual OEM Nissan bolts (which are no longer available) but give the same appearance. This kit includes: (2) hex head bolts, (2) flat washers & (2) lock washers all in yellow zinc finish.