HPI 101113 Upper Chassis /Woven Graphite Trophy Buggy 3.5 Trophy Truggy 4.6 Inferno ST Parts keeping it properly positioned and

keeping it properly positioned and supported during hard driving

Optically Coupled to isolate your ignition system from your radio system

One Snap Ring

Coating: TiCn Nitride

The Valve Mounts to the Model

HPI 101113 Upper Chassis /Woven Graphite Trophy Buggy 3.5 Trophy Truggy 4.6 Inferno ST Parts keeping it properly positioned andHPI 101113 Upper Chassis Woven Graphite Trophy Buggy 3. 5 Trophy Truggy 4. 6 This is a genuine HPI Racing woven graphite upper chassis for the Trophy Buggy 3. 5 and Trophy Truggy 4. 6. The upper chassis plate ties the platform together, adding stiffness that helps the suspension work consistently lap after lap. Whether you are replacing a damaged plate or rebuilding after a hard season, this factory part restores the structure your Trophy was designed