This is an optional Pro-Line ProTrac Suspension Kit Front Arms for use on the 1/10 scale 2WD Traxxas Slash. **Will not work with the 4x4 Slash.** FEAUTRES: Nylon construction, black in color Increases forward acceleration, corner speed, consistency and drivability INCLUDES: Two front arms One Proline decal REQUIRES: Installation onto vehicle lmm 01.28.10 ir/jxs