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The ARB Air Locker rear differential is a 28‑spline unit for 9‑bolt rear Mitsubishi applications, providing instant pneumatic locking to tie both axle shafts to the ring gear for full traction on demand and reverting to open differential behavior when unlocked. This nine‑inch differential notes a crown wheel inside diameter of 145mm. The kit includes the Air Locker, activation switch, solenoid valve, air line and bulkhead fitting; air compressor required and sold separately.
ARB Airlocker Rr 28 Spl Mitsubishi 9In S/N
