The 4" SST Lift Kit is engineered to raise the vehicle while maintaining strong, long-lasting suspension performance. Key features include self-lubricating TCT free-floating pivot bushings to reduce friction, a machined billet differential drop spacer system to provide the correct amount of differential drop without interfering with rear-mounted steering components, and an integrated skid plate for added protection. The kit uses heavy-duty ball joints installed in tubular upper control arms and includes premium inner bushings plus washer backing spacer sleeves for extended bushing life.
*Installation / Compatibility notes: Not for use on vehicles with cast steel upper control arms. Z71 standard suspension compatible. This kit is designed for use with aftermarket wheels having 5.25" backspacing; if you plan to run factory wheels with a larger tire, a wheel spacer is required to prevent tire-to-control-arm contact at full lock. Use of the Auto 4 Hi feature is not recommended.
| Applications | Front | Rear |
| 2014-2018 GM 1500 4WD & Z71 trucks | +4.0" | +4.0" |
| Note | Not for use on trucks with cast steel upper Control Arms |
| Note | Use of Auto 4 Hi feature not recommended |
| Note | Z71 standard suspension okay |
| Lift Height, inch | 4" |
| Drive Type | 4WD, RWD |
| Brand | ReadyLIFT |
| Note | The kit is for use on trucks with the factory Aluminum or stamped steel upper and lower Control Arms |
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Fitment
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2014||Chevrolet||Silverado 1500, 2015||Chevrolet||Silverado 1500, 2016||Chevrolet||Silverado 1500, 2017||Chevrolet||Silverado 1500, 2018||Chevrolet||Silverado 1500, 2014||GMC||Sierra 1500, 2015||GMC||Sierra 1500, 2016||GMC||Sierra 1500, 2017||GMC||Sierra 1500, 2018||GMC||Sierra 1500
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