Replacement. Each. OE style leather seal included can be converted to rubber using T-9572-1A as the rubber is better suited to todays fuel. We have found that long term vehicle storage can be rough on these.
Ford Thunderbird Years:
1955 (55), 1956 (56), 1957 (57)
Above years shown are used for searches and are not application listings.
1955-1956 TBIRD HOLLEY 4000 4V CARB
1957-1957 TBIRD 312-8V OR SUPERCHARGED, HOLLEY 4000 4V CARB(S)
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.