4510K x 1. This is a Complete rear half shaft fitting kit for XK Jaguars with Salisbury 2HA & 4HA axles. It suits to any original Jaguar XK120, XK140, or XK150 - EXCEPT the early XK120 models which were equipped with ENV axles. 
The kit includes  rear hub bearing, high spec. axle half shaft, rear axle nut and split-pin, hub securing key, rear hub outer seal and carrier plate, inner oil seal, x axle shim 0.003", axle shim 0.025", and rear hub gasket.
Our part references are 4510, 4511, 4509, 4352, 4520, 4250, 4523, 4524, 4526, and 4522, corresponding to the original references 3846, 3924, 131/201932, C7356, C1481, 3848, 3867, 3870, C1483 respectively.