Exhaust Manifold Nut, At Cylinder Head, Brass. These are the correct nuts. Made in England. Sixteen required per car. Applications: XK-120, XK-140, XK-150 Series I and II E-Type MK VII, MK VIII, MK IX MK I, MK II 3.4S/3.8S, 420, MK X, 420G Item 5 in illustration