Genuine OEM rocker arm set with valve adjustment screws.
To fit horizontal engines typically fitted in Pit bikes and Monkey bikes.
Total length - 65mm (without screw inserted)
Shaft width - 20mm
Shaft hole size - 9.6mm
Screw thread diameter - 5mm
Screw length - 18.5mm
Will fit - YX50, YX125, YX140, YX149 engines
Supplied as a pair