1981-1981 F100 4.2L, HIGH ALTITUDE
1976-1977 F100-F350 6 CYL.
1988-1996 F150-F350 4.9L, CANADA
1978-1978 F250, F350 300, OVER 8500 LBS GVW
WARNING: This product can expose you to chemicals including lead and DEHP, 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.