TAMIYA XR311 front and rear shock set with spring.
RC Channel item number: OP85156
It is Upgraded version from OP85155 and with copper ball end. This shock set only fit RC Channel XR-311 metal axle kit #TA65311. We are recommended add this shock set on XR-311 metal axle kit is perfect. You can remove original torsion bar. You also can use RC Channel shocks with original torsion bar to be hard suspension.
Spec: Length=55mm. (eyes to eyes) Shock spring 40x1 mm. Shock spring outer diameter=14mm.