This is the wrist pin for the Traxxas 2.5 engine. This goes inside the piston and allows it to pivot.
Features: Steel construction
Includes: One wrist pin and two wrist pin clips
Requires: Disassembling engine to install wrist pin
Length: 12mm (0.47)
Diameter: 4.25mm (0.17)
This product is expected to become available for purchase on Friday, May 14, 2021