Toyota Hilux RN10 13 15 16 2WD 4CYL 3/1968-4/1972 (See Notes 145). Toyota Hilux RN20 22 25 27 2WD 4CYL 6/1971-7/1978 (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.