1. This truck is available with two different axle sizes, 3.5" or 4". Measure rear axle tube before ordering. Some 4" axle models with dual overloads will require u-bolt 4066. 2. Will not fit dually applications. 3. Although unusual, if driveline vibration occurs, order transfer case drop kit available in options or t-case index kit. #122801 is included in 8" kits, substitute #122802 for manual transmission. 5. Exhaust modification will be required for dual rear shock kit 122009 on 6.7L Diesel models.
ATTENTION STATE OF CALIFORNIA CONSUMERS: *WARNING* Cancer and reproductive harm-www.p65warnings.ca.gov
Supplied Vehicle Information for 647F