Important Kit Notes
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.