I just got this e-mail from Rugged Rocks Off Road
ARB said the Nissan M226 (Dana 44 Variant found in the Nissan Titan & 05+ OR model Xterras and Frontiers and those w/ standard transmission) Air Locker would be here in Late '08 and Here it is!
Rugged Rocks has been working with the ARB marketing Dept. over the last few weeks to Obtain, Install and Test the first ARB M226 ARB Air Locker in N. America. An install article will be posted online within the next few days and the rest of the M226 Air Lockers are scheduled to arrive here in the U.S. on Oct. 20th. You can Pre-Order your M226 ARB Air Locker w/ Free Shipping from Rugged Rocks Off Road here: ARB Air Locker - Nissan M226 (Dana 44 Variant) - Nissan Xterra 05+ | Pre-Order Ships Oct 21st || Rugged Rocks Off Road, Do It On The Rocks