Speedo gearbox (spacer), thin walled top hat, pre Mk 3 Commando. Inserted from outside to provide support where axle is smaller than speedo hole. Bore: 0.580in (14.7mm); outside diameter of boss: 0.670in (17mm); overall length: 5/16in (7.9mm); flange outside diameter: 1in (25.4mm); flange thickness: 1/16in (1.6mm)Original part number:067629
