Complete 3-Inch Front / 4-Inch Rear Lowering Kit (Aluminum Steering Knuckles Only)

Premium Control Arms • OEM Alignment Maintained • Rear Shocks Included • Bolt-On Lowering System

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Lowering a full-size SUV like the 2015–2018 Chevrolet Tahoe or Suburban is one of the most dramatic and rewarding upgrades you can make to enhance stance, handling, and ride comfort. These vehicles come from the factory with significant wheel gap, tall ride height, and a profile that many enthusiasts find far too high for street-oriented builds or custom wheel configurations.

If you're looking for the perfect 3” front / 4” rear lowering kit engineered specifically for models equipped with aluminum steering knuckles, this is the correct suspension system. Designed for easy installation and outstanding performance, this kit delivers:

• A level, aggressive, modern stance

• Proper steering and suspension geometry

• OEM-quality ride comfort

• Improved cornering and stability

• Precise, factory-correct alignment

And unlike many lowering kits on the market, this system requires no cutting, no frame modifications, and no shock extenders—everything bolts in cleanly and safely.

The kit includes rear shocks (#2000) engineered specifically for lowered GM SUVs, ensuring correct damping and proper travel.

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FITMENT — DESIGNED FOR GM SUVS WITH ALUMINUM KNUCKLES

This lowering kit fits:

2015–2018 Chevy Tahoe (2WD)

2015–2018 Chevy Suburban (2WD)

IMPORTANT:
This kit ONLY fits models with cast aluminum steering knuckles.
If your SUV uses cast iron steering knuckles, use the alternate kit:  DJM2007-3/4

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WHAT THIS COMPLETE 3/4 LOWERING KIT INCLUDES

This is a true complete system, not just springs or spacers. It includes:

FRONT COMPONENTS (3" FRONT DROP)

✔ Upper control arms
✔ Lower control arms
✔ All factory coil springs retained
✔ Corrected ball-joint angles
✔ Correct steering geometry
✔ Factory alignment specifications maintained
✔ No rubbing, binding, or clearance issues

REAR COMPONENTS (4" REAR DROP)

✔ Engineered 4-inch drop coil springs
✔ Trailing arm relocation hardware
✔ Extended sway-bar end links
✔ DJM 2000-series rear shocks (included—no extenders needed)

This kit gives you a perfectly balanced, precise drop with the ride quality customers expect from a premium lowering solution.

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WHY THIS LOWERING KIT IS SUPERIOR TO SPACERS, KEYS, OR CUT SPRINGS

Many shops still try to lower SUVs using:

• Cut springs

• Leveling kits in reverse

• Reindexed keys

• Air helper bag removal

• Cheap drop springs only

These methods cause serious problems like:

• Harsh ride
• Incorrect ball-joint angles
• Alignment issues
• Premature tire wear
• Clearance problems
• Bump-steer
• Binding shocks
• Rapid bushing wear

This DJM lowering kit is purpose-engineered to:

✔ Maintain ball-joint geometry
✔ Maintain steering clearance
✔ Maintain OEM alignment capability
✔ Maintain correct suspension travel
✔ Maintain ride quality comparable to stock

You’re not “forcing” the SUV to sit lower—you’re redesigning suspension geometry the correct way.

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FRONT DROP — 3 INCHES OF ENGINEERED PRECISION

To achieve a safe and correct 3-inch front drop, this kit includes BOTH upper and lower control arms.

Why?

Because lowering a full-size SUV this much using springs alone would:

• Put ball joints at unsafe angles

• Distort alignment

• Reduce shock travel

• Create binding in the steering system

Instead, DJM’s control arms reposition:

• Ball joint locations

• Control arm pivot points

• Upper arm geometry

• Travel arc

• Shock path

This maintains:

• OEM-Correct Alignment
• OEM-Like Ride Quality
• Full Suspension Travel
• Safe Ball-Joint Articulation
• Factory Steering Response

With this kit, your Tahoe or Suburban will feel controlled, stable, and comfortable—not bouncy, stiff, or unpredictable.

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REAR DROP — 4 INCHES WITH OEM-QUALITY CONTROL

Dropping the rear 4 inches on a GM SUV requires more than just springs. This kit includes all the components needed to correct geometry and maintain ride quality.

Included:

Engineered 4-inch Rear Drop Springs

Not cut, heated, or generic—these springs are designed with the correct spring rate and coil length for GM full-size SUVs.

Trailing Arm Drop Brackets

Corrects pinion angle, preventing:

• Driveline vibration

• U-joint wear

• Drivetrain binding

Extended Sway Bar End Links

Allows full rear suspension movement without sway-bar interference.

DJM Rear Shocks (#2000)

These shocks are tuned specifically for lowered ride height, eliminating the need for shock extenders.

Your SUV will sit lower, smoother, and more level—exactly how a modern custom should.

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RIDE QUALITY — SMOOTH, CONTROLLED, AND COMFORTABLE

One of the biggest complaints about cheap lowering kits is poor ride quality.

This kit does the opposite.

Because the geometry is corrected in the control arms and trailing arms, your SUV will:

• Ride smoother than stock
• Corner flatter
• Feel more planted on the road
• Experience less body roll
• Maintain daily-driving comfort
• Handle better at highway speeds
• Brake more evenly with less nose dive

It transforms the driving experience without compromising the SUV’s ability to carry passengers, cargo, or tow*.

(*As long as the drop springs are not overloaded.)

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BEST USES — WHO IS THIS KIT IDEAL FOR?

This 3/4 lowering kit is perfect for:

Daily drivers

Street performance SUVs

Large wheel builds (22", 24", 26")

Luxury stance projects

Mild tow-duty SUVs

Family vehicles wanting a sportier stance

Enthusiasts wanting a clean, modern profile

Whether you're aiming for a show-ready stance or a sleeker everyday look, this kit performs.

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INSTALLATION DETAILS

Skill Level: Moderate

Estimated Install: 4–6 hours

Tools Needed:

• Jack & stands

• Full socket set

• Ball joint separator

• Torque wrench

• Spring compressor (sometimes helpful)

• Alignment machine (post-install)

Important:

A professional alignment is REQUIRED after installation.
This kit is designed to easily align back into factory specifications.

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WHY BUY FROM GAUGE STORE?

Gauge Store is trusted by:

• Performance shops

• Suspension installers nationwide

• GM SUV customization enthusiasts

We provide:

✔ Fast shipping
✔ Correct fitment support
✔ Real lowering experience
✔ Accurate recommendation of companion parts
✔ Access to premium DJM components

We aren’t just another online store—
We build, show, and drive the vehicles we sell parts for.