Extreme HD Outer Driveline/Suspension Upgrade Color:Gray CNC machined

CNC machined

The Castle engineers know this and spared no expense when developing a design that could hold up to the harsh conditions that the RC community will throw at it

without sacrificing strength

set servo end points

30% Race Fuel

Extreme HD Outer Driveline/Suspension Upgrade Color:Gray CNC machinedOuter Driveline & Suspension Upgrade Kit, extreme heavy duty, black (fits Slash 2WD) The Extreme Heavy Duty Upgrade Kit transforms your already tough 2WD Slash or Raptor into the ultimate bashing machine. Engineered for brushless power systems, the kit includes a full complement of driveline and suspension parts designed to work together as a complete package. Whether you're sending it at the skate park or preparing for a speed run, the Extreme Heavy