ARB 4X4 Accessories Toyota 8.9in. 12 Bolt Air Locking Differential, Rear 30 Spline RD142 For Use With 30 Spline Full Floating Axles;For Use With All Ratios;Air Activated Selectable Locker; Converts From Open Differential To fully Locked Or Spool; Simple Push Button Operation; Requires Air Compressor Sold Separately TOYOTA LAND CRUISER BASE 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 3.9L (3878cc) 3.9L FJ (239) 4.2L 2F (4227cc) 4L 3FE GAS ARB 4x4 Accessories ARB Toyota 8.9 Inch 12 Bolt Air Locking Differential - RD142 RD142 Differentials