Maxtrac 4" Rear Lift Box Kit w/ Fox Shocks (2021 - 2025 F150 2WD) 904140F
Maxtrac performance, made easy. This upgrade blends real gains with a clean, straightforward install. Engineered for strong results on the street or track.
Maxtrac Suspension's part# 904140F is a rear box kit including 4" lift blocks, u-bolts & a pair of fox 2.0 performance series rear shocks
Product Specs
Engine Types: Gas
Kit Type: Lift / Level
Lift (Rear): 4
Shock Details: 774133F-9 (X2)
Sold As: Combo
Color: Grey
Finish: Grey Powdercoat
Material: Steel
Important Notes
- Does not fit tremor, hybrid or models equipped w/ CCD suspension
- Does not fit models equipped w/ bluecruise
- This box is designed to be used in conjunction w/ part# 704140 to make a complete 6.5" lift kit
- Please note that when ordering shocks separately, you must order quantity 2 as they are sold individually
- 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
Kit Breakdown
813140 - 2004-2025 F-150 4" lift blocks
914114 - 2021-2025 F-150 2WD semi round u-bolts (14.5" x 3.125" x 9/16") (fits 4"-5" blocks)
774133F-9 - 2021-2025 F-150 2WD fox 2.0 performance rear shock 4-5" lift height
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