ReadyLift 44-3965 6" Big Lift Kit With Bilstein Shocks

The ReadyLift 44-3965 6" Big Lift Kit With Bilstein Shocks is engineered for incredible ride quality in your GM Silverado/Sierra 1500 4WD. This lift kit features a 3/16" plate steel boxed steel full-width front skid plate and front and rear cross members. New 1/4” thick plate steel differential drop brackets feature boxed and a double gusset center rib to take the torsional twisting of the front differential.

This ReadyLift 6" Big Lift Kit features heavy-duty offset and angled top mount strut extensions that realign the struts to enhance shock performance and reduce wear. A precisely engineered lower mount strut pre-load spacer provides a modest boost in spring rate to help handle the bigger wheels and tires that will be mounted on the truck. New Bilstein 5100 series rear shocks and 5" fabricated steel rear blocks with integrated bump stop landings are used to lift the rear.

Max tire with no trimming:  20x9 0 offset and 35x12.50 tires.

Max with trimming: 20x10 -18 offset - 35x12.50 or 325/60R20 - Trimming requirements for larger than recommended wheel/tire include front valance, front felt liner edge, rear felt liner edge and front rear well edge mud flap.

Use of Auto 4 Hi feature is not recommended.

Not for use on Trail Boss, AT4, AT4X, ZR2 or Denali models.

Not compatible with Adaptive Ride Control or Multimatic suspension.

Diesel applications may require a small modification to the transmission line bracket.

This kit is not compatible with vehicles equipped with rear composite mono-leaf springs.

This kit is only compatible with trucks equipped with traditional steel leaf springs with the ‘square’ U-bolts.

This lift lit will require the ReadyLift 67-35150UB U-Bolt Kit to fit late model 2024 or 2025 applications that have round U-bolts.(See Add-Ons)