MaxTrac Suspension part# 906740 is a 4" rear box kit including 2.5" lift strut spacers, 4" lift blocks, u-bolts, a carrier bearing spacer w/ rear brakeline brackets & a pair of MaxTrac rear shocks.
- This Box Is Designed To Be Used In Conjunction W/ Part# 706735 To Make A Complete 6" Lift Kit
Note: Maxtrac Suspension Does Not Recommend Using Wheels Wider Than 9" Or Wheels With Less Than 4.5" Backspacing. Doing So Will Result In Voiding Any And All Manufacturer Warranties.