4 Inch Front Lowering Kit

Transform your GMT800 truck into the aggressive street machine it was always meant to be — without sacrificing drivability, alignment, or suspension travel.
This 4 Inch Front Lowering Kit for 1999–2006 Chevy Silverado & GMC Sierra 1500 (2007 Classic) uses engineered upper and lower control arms to properly reposition the suspension geometry, allowing a true 4" drop while keeping factory ride characteristics intact.

Unlike cheap lowering methods that cause harsh ride quality, worn ball joints, and alignment nightmares, this kit lowers your truck the correct way — through suspension geometry correction rather than forcing components beyond their designed operating range.

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Fitment:

1999–2006 Chevy Silverado 1500 2WD
1999–2006 GMC Sierra 1500 2WD
2007 Silverado/Sierra Classic 1500 2WD

(GMT800 Platform)

Not for AWD or 4WD models.

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Why Control Arms Matter When Lowering a GMT800

The 1999–2006 Silverado/Sierra platform uses a torsion bar independent front suspension.
Many budget lowering solutions rely on torsion bar keys or over-adjustment.

That approach causes:

• Loss of suspension travel
• Harsh ride quality
• Ball joint binding
• Tire wear
• Alignment problems
• Premature component failure

This kit solves the problem at its source.

The Correct Engineering Approach

By redesigning both the upper and lower control arms, the spindle location is repositioned while maintaining:

• Factory ball joint operating angles
• Proper camber curve
• Suspension compression travel
• Factory steering geometry

Result:
A real 4-inch drop that drives like stock — just lower.

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Designed Around the Factory Strut

One of the biggest advantages of this system is that it works with the OEM front suspension design rather than fighting it.

The suspension is engineered to retain:

• Factory alignment range
• Factory suspension travel
• Correct bump stop engagement
• Stable braking geometry
• Proper wheel tracking

This is critical for trucks that are daily driven, long-distance cruised, or performance built.

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Ride Quality – Lower Without the Punishment

Lowered trucks often get a reputation for riding rough.
That’s not caused by being lowered — it’s caused by improper geometry.

Because this kit preserves the suspension’s designed operating range, you get:

• Smooth ride quality
• Predictable steering response
• No suspension topping out
• No ball joint bind
• No excessive camber wear

Your truck behaves like a factory sport suspension instead of a compromised setup.

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Extreme Drop, Factory Reliability

A 4-inch front drop dramatically changes the truck’s presence:

• Removes factory rake
• Reduces wheel gap
• Improves stance
• Enhances cornering feel

But reliability matters just as much as appearance.

Because the suspension moves naturally within its intended travel, parts last longer:

• Ball joints
• Tires
• Steering components
• Wheel bearings

This is why properly engineered control arm systems outperform torsion key drops long term.

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Perfect for Street Trucks & Performance Builds

This kit is ideal for:

• Sport truck builds
• Street performance trucks
• Show trucks
• Daily drivers
• Restomod pickups
• Performance wheel/tire setups

It pairs perfectly with:

• Rear flip kits
• Rear lowering shackles
• Lowering hangers
• Performance sway bars
• Big brake upgrades

Whether you want a mild leveled stance or a full lowered street truck profile, this is the foundation for doing it correctly.

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Recommended Shock Upgrade

Front shocks are not included

Recommended:
Front Shock DJM 1415 (sold individually)

Using the correct shock ensures proper damping range for the lowered suspension travel and preserves ride quality.

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Installation Overview

Installation replaces the factory upper and lower control arms.
No cutting or welding required.

Typical installation steps:

1. Remove factory control arms
2. Install new engineered arms
3. Install appropriate shocks
4. Perform alignment

Professional alignment is required after installation.

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Wheel & Tire Fitment Benefits

Lowering improves wheel fitment dramatically:

• Larger wheel compatibility
• Flush fitment
• Reduced fender gap
• Improved tire contact patch

Because camber stays correct, tires wear evenly — even with larger wheels.

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Built for Daily Driving

Many lowering kits are fine for show use but uncomfortable on the road.
This kit was designed for real driving.

Highway stability improves due to:

• Lower center of gravity
• Correct steering geometry
• Maintained suspension travel

Your truck tracks straighter and feels planted at speed.

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Long-Term Cost Savings

Improper lowering methods create recurring costs:

This system avoids all of it by engineering the suspension properly.

Install once. Drive for years.

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Key Features

• True 4-inch front drop
• Upper & lower engineered control arms
• Maintains factory alignment
• Retains suspension travel
• Correct ball joint angles
• Improved handling stability
• No cutting or welding required
• Designed for street reliability

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The Right Way to Lower a Silverado

There are two ways to lower a truck:

Shortcut method: force parts beyond design limits
Correct method: redesign geometry

This kit follows the correct method.

The difference is immediately noticeable in ride quality, steering stability, and tire life.

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Final Result

After installation your truck will have:

• Aggressive lowered stance
• Comfortable ride
• Predictable steering
• Even tire wear
• OEM-like reliability

Your Silverado or Sierra won’t just look better — it will drive better.