Description
6-Inch Front Lowering Control Arm – Passenger Side Only
Lowering a GM heavy-duty truck is not like lowering a half-ton pickup. Your 2001–2010 C1500HD, C2500HD, and C3500HD (2WD) is built on one of the strongest frames GM ever made, using an 8-lug torsion-bar front suspension engineered to haul, tow, and work. But when your mission isn’t hauling gravel—but achieving clean stance, show-ready appearance, or modern street performance—you need a suspension system that lowers the truck the rightway.
That’s exactly what these DJM Calmax 6-Inch Lowering Control Arms are designed to do.
This listing is for the:
Passenger Side Only — CA2699L-6P
To complete the system, you also need:
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Driver Side Lowering Control Arm – CA2699L-6D
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Upper Control Arms – CA2699U
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Front Shocks – DJM 1415
DJM’s 6-inch lowering arms are the onlyengineered method to achieve a true 6-inch front drop on a torsion-bar HD truck while maintaining factory alignment and safe suspension geometry. These arms transform your tall, work-ready HD truck into a slammed, aggressive, road-dominating machine—without sacrificing drivability or ruining suspension components.
If you want the deepest static drop possible without cutting frames or going full air ride, these DJM arms are the gold standard.
FITMENT — BUILT FOR GM’S HEAVY-DUTY TORSION-BAR TRUCKS
These 6″ lowering arms fit:
Not compatible with:
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4WD models
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Coil-spring front ends
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2011+ HD platform
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Trucks notusing DJM upper arms (#CA2699U)
These arms are intentionally engineered onlyfor HD 2WD torsion-bar builds needing a correct, safe, and functional 6-inch front drop.
WHY A 6-INCH DROP REQUIRES ENGINEERED CONTROL ARMS
Most lowering kits don’t stand a chance on HD torsion-bar suspensions.
Owners often try:
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Torsion keys
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De-cranking torsion bars
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“Drop keys”
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Cheap leveling kits reversed
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Cranking adjusters down to the stops
But these create catastrophic suspension issues:
- Harsh, bone-shaking ride
- Bottomed-out front end
- No shock travel
- Excessive ball-joint angle
- Constant alignment problems
- Tire wear that destroys rubber in weeks
- Dangerous bump-steer
- Premature suspension failure
GM did notdesign HD torsion-bar geometry to operate at such extreme angles.
DJM did.
- A true 6-inch drop
- Correct geometry
- Proper camber/caster range
- Preserved ride quality
- Safe ball-joint articulation
- Smooth steering
- Predictable handling
- Deep drop without destroying components
These control arms reposition pivot points to achieve the full 6″ drop naturally, without forcing other components into unsafe angles.
WHAT THESE 6-INCH LOWER CONTROL ARMS PROVIDE
Not by key-cranking—but through engineered suspension geometry.
Ensures proper articulation and prevents wear.
The truck drives like a lowered HD should—smooth, stable, and strong.
Once paired with DJM Upper Control Arms, alignment returns to full OEM range.
These aren’t passenger truck arms—they’re built to withstand 8-lug HD loads.
Provides improved steering feel and longer lifespan.
No rebuilding, pressing, or modifying needed.
A 6-inch front drop completely transforms the HD appearance.
If you want to tuck wheels, achieve aggressive rake, or build a static-dropped HD, this is where it starts.
WHY YOU MUST USE DJM UPPER CONTROL ARMS (#CA2699U)
The upper arms are not optional.
With a deep 6-inch drop, the upper control arms must be replaced for:
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Correct caster camber
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Safe ball-joint angles
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Proper suspension travel
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Reduced bump-steer
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Full alignment adjustability
Stock upper arms cannot accommodate the geometry changes created by a 6-inch drop.
Without upgraded uppers:
- The truck cannot be aligned
- Ball joints will bind
- Ride quality will suffer
- Safety is compromised
Pairing lower + upper arms creates a complete engineered system.
SHOCKS REQUIRED — DJM 1415
With a 6-inch drop, factory shocks will bottom out instantly.
Using DJM 1415 shocks ensures:
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Correct travel length
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Proper damping
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Improved ride quality
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Safe suspension motion
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No topping or bottoming out
Each shock is sold individually.
WHAT A 6-INCH DROP LOOKS FEELS LIKE
A truck lowered with these arms experiences:
Static-dropping your HD creates a look that air ride can’t perfectly replicate:
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Clean
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Solid
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Static strong
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Street-ready
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Show-ready
If you’re aiming for the signature HD 6/8 drop or a slammed HD street cruiser, these arms are essential.
INSTALLATION INFORMATION
This is a professional-grade suspension modification.
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Torsion-bar unloading tool
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High-quality jack stands
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Ball-joint separator
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Impact tools
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Wrench/socket set
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Alignment rack
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Penetrating oil
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Safely unload torsion bars
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Remove factory lower control arm
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Install DJM 6-inch lowering arm
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Reinstall torsion bars
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Install DJM Upper Control Arms (#CA2699U)
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Install DJM Shocks (#1415)
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Perform a full alignment
Alignment is required — no exceptions.
PERFECT FOR THESE TYPES OF BUILDS
If your goal is a clean, slammed stance while retaining proper geometry, these arms are the only correct method.
WHY BUY FROM GAUGE STORE?
Gauge Store is known throughout the custom truck world for:
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Supplying proven suspension components
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Offering expert-level product support
We provide:
Fast shipping
Verified DJM parts
Industry-leading suspension knowledge
Accurate fitment guidance
Support for full suspension builds
We don’t just sell lowering parts.
We build trucks. We show trucks. We live trucks.





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