Securely lock the flywheel or Flexi-plate on the manual and automatic Jaguar and Land Rover Diesel Engines 
Allows the very tight front crankshaft pulley fixing to be removed when carrying out front crankshaft oil seal replacement or timing belt change. Provides a safe and secure solution that would normally require 2 separate OEM tools to cover the applications listed.
Crankshaft locking tool via the flywheel ring gear or flexi-plate. Bolts in place of the starter motor to lock the engine.
Jaguar Applications: Jaguar F-Pace (from 2016), S-Type (2004 to 2008), XF (from 2008), XJ (from 2010), XJ6 (2005 to 2010).
Land Rover Applications: Discovery (from 2004), Range Rover (from 2006), Range Rover Sport (from 2005), Range Rover Velar (from 2017).
OEM 303-1243 and 303-1123 
Engine Code: 2.7L - 276DT (7B/7G), 3.0L AJ-V6D(306DT), 3.6L 368DT, 4.4L 448DT.