1976-1977 F250 4X4 (FROM 76 SERIAL# B50,000 TO 77 SERIAL# Y20,001), CREW CAB W/ 4.10 GEAR RATIO,
1976-1977 F250 4X4 (FROM 76 SERIAL# B50,000 TO 77 SERIAL# Y20,001), REGULAR CAB W /4.09 GEAR RATI
1978-1978 F250 4X4 W/ 4500 LBS FRONT AXLE, 4.10 GEAR RATIO
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.