GOETZE piston ring set 84.0 mm STD (1.75/1.75/2.0) for Jaguar and Land Rover 3.0D/3.0DH engines. Compatible with Discovery IV (L319), Discovery V (L462), Range Rover IV (L405), Range Rover Sport I/II (L320/L494), and Range Rover Velar (L560). Engine group: 306DT. Optimized for stable compression, low oil consumption, and long service life in diesel V6 applications.