This is a package of replacement Cover Plates and Seals for use with the Traxxas Revo 3.3 equipped with the forward only conversion, TRAC5387. FEATURES: Black plastic construction INCLUDES: One sensor cover (one black plastic plastic construction) One black plastic cover (covers the spot that the optidrive was) One blue rubber plug REQUIRES: Installation COMMENTS: These are used on the Revo 3.3 equipped with the forward only conversion. wm 7/27/06 ir/jxs