Toyota Hilux LN55 56 YN55 56 57 58 2WD 4CYL 11/1983-9/1988 (See Notes 145). Toyota Hilux LN30 40 RN30 31 40 41 2WD 4CYL 1/1978-10/1983 (See Notes 145). By lowering the vehicles centre of gravity, the unique and progressive rate coil design not only improves performance but enhances overall appearance.