ReadyLIFT 3" SST Lift Kit for 2020-2025 Chevrolet Silverado 2500 HD/3500 HD & GMC Sierra 2500 HD/3500 HD

$479.95
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Leveling and lift for the 2020 GM HD

ReadyLIFT introduces its forged torsion key leveling kit and 3 inch SST lift kit for the Silverado and Sierra HD.

What an SST lift kit does

ReadyLIFT explains how its bolt-on SST lift kits add lift and room for larger tires while keeping the factory ride.

Leveling and lift for the 2020 GM HD

ReadyLIFT introduces its forged torsion key leveling kit and 3 inch SST lift kit for the Silverado and Sierra HD.

What an SST lift kit does

ReadyLIFT explains how its bolt-on SST lift kits add lift and room for larger tires while keeping the factory ride.
ReadyLIFT SST Lift Kit installed on a Chevrolet Silverado 2500HD: white Chevrolet Silverado HD High Country crew cab leveled on black wheels in front of a tan building

Ready for daily duty

A lifted stance with bigger tires still has to commute, tow and haul. SST kits keep a small rear rake so the vehicle sits right with weight in the bed or on the hitch.

Frequently Asked Questions

Straight answers on specs, fit and support

How is an SST kit different from a leveling kit?

A leveling kit raises only the front to cancel the factory rake. An SST kit lifts the front and the rear, so the whole vehicle gains height.

What is the largest tire it clears?

The tire size ReadyLIFT lists for this exact vehicle is in the specifications on this page. Tire dimensions vary by brand, so test fit your wheel and tire combination before mounting.

Will I need an alignment after installing it?

Yes, plan on one. ReadyLIFT notes the vehicle may need an alignment after installation, and headlamp aim should be checked at the same visit.

Does it affect driver-assistance cameras and radar?

Changing ride height can shift camera, radar and sonar aim. ReadyLIFT says to check and recalibrate these systems after installation, and some vehicles need dealer tools to do it.

Can I install it myself?

ReadyLIFT recommends a certified mechanic and says to read the instructions fully before starting. The install sheet and ReadyLIFT's estimated install time for this exact kit are on this page.

Is an SST kit covered for off-road use?

ReadyLIFT's warranty excludes damage from off-road abuse on its lift kits. Its Jeep SST and Terrain Flex kits are the exception and remain covered in recreational off-road use.

What our customers say

5 · 2 reviews

Cw716 Verified
07/12/2026

Ready Lift 3" kit

Great product. Everything fit as described with minimal extra cut outs in wheel wells in 2002 gmc 2500hd denali. Gives a great stance and many compliments.

AaronC Verified
12/21/2025

2025 Chevy 2500 Z71 3 inch lift

The kit was good but didn't include the shock extenders for the front two shocks. I later ditched the 1 inch block and found a set of two inch rear blocks to level out the lift. I was a fan of the mild " California lift" i had after the install. Well built kit. Would recommend