EngineQuest Coolant System Air Bleed Plugs are made of steel and designed to bleed air from cooling system to avoid any major issues.

Information:

For best results it is recommended that two air bleed plugs be used per engine to complete the bleeding process.
Attributes
California Proposition 65 WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Country of Origin (Primary) CN
Hazardous Material Code N
Life Cycle Status Code Available to Order
SDR Required Flag N
Standard Pack 10 pk
GTIN 00810037940091