The pins themselves are not rusty, what looks like rust is grease.
Genuine Quinton Hazell King Pin kit QP 626TC Ford 2-4 ton D series 1965-82
Quinton Hazell Brake Disc/Rotor | Single Disc | Front | 5 Bolt Holes | Internally Vented | BDC5566
Quinton Hazell Brake Disc Replacement - Single Disc - Front - 4 Bolt Holes - Internally Vented - BDC5518
Quinton Hazell Brake Disc/Rotor | Single Disc | Front | 4 Bolt Holes | Internally Vented | BDC5781
Quinton Hazell Brake Disc Replacement - Single Disc - Front - 4 Bolt Holes - Internally Vented - BDC5241
King Pin Repair Kit, kingpin QUINTON HAZELL QP650TC Possibly MG Or Austin Healy