O-ring # 12: For the #12 hose fitting Ford #12 springlock o-ring, GM V5 control valve (outside center), VIR expansion valve (lower), VIR expansion valve outlet, Vir compressor suction line connection.
Warning: This product may expose you to chemicals including lead which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov