This is the Pulley Set for the Traxxas
Nitro 4Tec, Nitro 4Tec 2.5, and Nitro 4Tec Pro.
FEATURES: Molded in black plastic
INCLUDES: Two 15 tooth pulleys
Two plastic shims to cap gears
REQUIRES: CA glue, some disasembly.
SPECS: Diameter at top of teeth: 13.5mm (.532")
COMMENTS: This is a direct fit replacement part requiring no modifications.