This Rear Hub, B Plate, Carbon: 8X, 8XE 2.0 is compatible with the TLR 1/8 8IGHT-X/E 2.0 Combo 4WD Nitro/Electric Race Buggy Kit (TLR04010) and the TLR 1/8 8IGHT-XE E-lite 4WD Electric Buggy Race Kit (TLR04011).