INA rocker arm and rod set for Land Rover and Jaguar diesel engines 2.7D-3.6D. Compatible with Discovery III/IV/V, Range Rover III/IV, Range Rover Sport I/II, and Range Rover Velar. Main cross numbers: AJ813305 (Jaguar), 1336545, ERR7233, LR073777 (Land Rover). Reliable valvetrain operation, reduced wear, and stable engine timing under load.