Cylinder Head Bolt OEM 510 240Z 260Z 280Z - Long

New OEM genuine Nissan cylinder head bolt for Datsun "L" series engines 1968-1983. The 4 and 6 cylinder engines use the same "long" and "short" head bolts. Choose from long or short when ordering. We also sell these bolts in complete sets at a cost savings. Will fit Datsun 240Z, 260Z, 280Z, 280ZX, 510, 520, 620.