ARB Deluxe Protection Step Disco Sii 1999-2005ARB protection steps offer improved vehicle access and a reduction in stone chips caused by road debris. While they offer an excellent barrier against rock ledges, they are not considered a true rock slider that might be required for aggressive rock crawling. This Part Fits: Year Make Model Submodel 2003 2004 Land Rover Discovery HSE 2003 2004 Land Rover Discovery S 1999 Land Rover Discovery SD 2003 2004 Land Rover Discovery SE 1999 2000 Land Rover