For Jaguar 3.2, 3.5, 4.0, 4.2 V8 petrol engine. for Jaguar: Gas 3.2, 3.5, 4.0, 4.2, 4.2 V8 Chain. for Land rover 4.0, 4.2, 4.4L(448PN) V8 petrol engine. For Land Rover: Gas 4.2 & 4.4 V8 chain. Suitable for a wide range of modern Jaguar and Land Rover vehicles.