A set of 8 Champion Double Platinum spark plugs. Equivalent to Land Rover part number: NLP100320 Champion part number: RC11PYPB4Suitable for the following models: Land Rover: Discovery, 2 4.0 V8, 1998-2004 Land Rover: Range Rover P38, 4.0, 4.6i V8, 1999-2002, Not Early Models