The Halo_Modification_Kit_v2.rar file you have requested: Tools and Utilities / Modding Tools / Halo Modification Kit v2 - 2.03mb is not available. Perhaps try browsing all files for the game Halo: Combat Evolved and upload any files you want to share or are missing. This is the only information we could locate:
This is a Halo Modification Kit. It lets you run hht, hmt, and sparkedit. All of these are used to mod Halo 1.