Mitsubishi OEM Keyless Ignition Cap Base for Evo X (4408A167) Koyo The 4000 XS features a

The 4000 XS features a unique cross drilled and slotted design to increase the number of exit points

See installed pictures (yellow #6) or diagram #15

They can be re-used

This can also be added to your purchase in the drop-down menu

Mitsubishi OEM Keyless Ignition Cap Base for Evo X (4408A167) Koyo The 4000 XS features aGenuine OEM Mitsubishi factory replacement ignition cylinder cap base for Evo X keyless starting. (The thing you turn to start your car this is the locking base.) Purchase includes just the black base as pictured. The cap is also available separately below. Vehicle Fitment: CZ4A 2008 2015 Evolution X Also fits some 2008 2015 Lancer and 2007 2008 Outlander models just double check your part numbers. Purchase Includes: (1) Base Also Available: Keyless