1967-1967 (BEFORE SERIAL# A28,001), CENTER, TOP OR BOTTOM 2 REQD
1968-1972 2 REQD
1968-1977 (BEFORE 77 SERIAL# O80,001), UPPER OR LOWER
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.