Rear hub to halfshaft retaining nut, improved material with inbuilt washer, CNC machined from EN24, copes with everything you can throw at it, doesn't crack like STD Castle nuts.

If you feel uncomfortable with no split pin just put a dab of loctite on the face of the nut.

Fits 3HA & 4HA Hubs / halshafts with solid axles, all solid axle post war Aston's, all post war solid axle Jaguar's & most solid Salisbury axles.

price is £50 + VAT per nut