4.27:1 ratio (teeth: 11/47)
Jaguar XK120 with Salisbury 4HA axle from February 1952: OTS from 660935 (RHD) and 671797 (LHD), FHC from 669003 (RHD) and 679215 (LHD) • XK140 and XK150 (1954-60)
Manufactured from chrome nickel molybdenum to very high standards. Being made with the benefit of original drawings and are supplied with Oerlicon Sikloid gearing. Supplied in matched assemblies.