You can send a request for quote for p/n 166503 to Power Air Consulting using powerairconsulting.com. This part is manufactured by Dresser Industries Inc. The description of it is Insert Tip Rocker Arm. The national stock number associated with this part is 2815001071529. This part belongs to part family. An associate from Power Air Consulting will respond within 15 minutes to your query. It is our pleasure to help you with 166503 part requirements.