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2005-2016 Ford Superduty Adjustable Four-Link Conversion Kit
Upgrade your Ford F-250 / F-350 Superduty with the Adjustable Four-Link Conversion Kit, engineered for durability, efficiency, and peak performance. Designed to support lift heights from stock to 10 inches, this premium suspension upgrade enhances your driving experience while ensuring reliability on and off the road.
Key Features:
✅ Fully Adjustable: Recenter the axle and fine-tune caster as desired.
✅ Cam Eccentrics Upgrade: Allows easy on-vehicle caster adjustments.
✅ Premium PTFE Polyurethane Bushings: Ensures durability and longevity.
✅ Easy Installation: No drilling or welding required for a hassle-free setup.
✅ Improved Steering Geometry: Maintains proper handling and alignment.
Why Choose the Apoc Ford Superduty Four-Link Kit?
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Axle Centering & Caster Angle Adjustments: Restores axle position and reduces tire rubbing.
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Enhanced Suspension Performance: Stronger and longer control arms for lifted trucks.
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Superior Handling: Maintains proper steering response even with larger tires.
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Durable & Reliable: Engineered to outperform factory radius arms.
Parts Included:
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2 Upper Control Arms
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2 Lower Control Arms
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4-Link Conversion Bracket
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Top-Quality Polyurethane Bushings
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Bushing Ends DOM Tubing
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Uses Mostly Factory Hardware
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Grease Fittings for Long-Lasting Bushings
Installation Details:
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Estimated Install Time: 3-4 hours
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Tools Required: Basic hand tools, jack, and jack stands
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No Drilling or Welding Required
Control Arm Length Adjustments
When upgrading from factory control arms, adjusting the length to match the lift size is crucial for maintaining accurate steering geometry. The larger the lift, the longer the control arms need to be. For precise adjustments, consult your lift kit manufacturer for the correct measurements. Detailed instructions are included to help properly set each control arm according to your lift specifications. An alignment is recommended after installation.
Order Now & Optimize Your Ford Superduty's Suspension!
Upgrade your ride today with the Apoc Ford Superduty Four-Link Conversion Kit and enjoy optimal performance, handling, and durability. Shop now and take advantage of our fast shipping and customer satisfaction guarantee!
Built Right. Backe Right.
Our crew’s on call Monday–Friday, 9–5 EST. Hit us up at 865-983-5004 — real support, done right.
Component Specs
Compatible with Stock to 10" of lift
Yes
Yes, Size 1/4-28 Thread
Yes, no special tools required—just basic hand tools.
Ford Superduty 4 Link Conversion Kits
Superduty Suspension, Redefined
What all comes with a Superduty 4 Link Conversion kits?
Complete Kit – Ready to Install:
Engineered 4-Link Conversion for Your Super Duty
Apoc’s 4-Link Conversion Kit upgrades your Ford Super Duty’s suspension with enhanced control, smoother ride quality, and precise caster correction for lifted setups. The heavy-duty frame brackets bolt directly into the factory radius arm mounts—no cutting, welding, or drilling required. Each kit includes four extended-length control arms—two uppers and two lowers—fully assembled and ready to install. The kit also features upgraded axle-side cam eccentric bolts, giving you the ability to fine-tune caster easily—a feature never offered from the factory. Built for strength, simplicity, and serious performance.
Premium Bushings – Built for Life:
Apoc Industries backs our bushings with a Lifetime Warranty for lasting confidence. We use only the highest quality polyurethane (PTMEG-based) in all Apoc products.
PTMEG polyurethane offers superior articulation and a firmer, more responsive feel — without the harshness commonly found in solid joints like heims or flex joints.
These bushings are ideal for daily driving while providing excellent durability and performance for moderate off-road use.
Adjustable Length for Precise Handling:
Apoc control arm kits are designed with flexibility in mind. They are stock length when fully collapsed and up to 2.5 inches longer when fully extended, giving you plenty of adjustability to fine-tune your truck’s suspension geometry and handling. Whether you’re leveling, lifting, or optimizing alignment, our arms provide the range needed for a perfect setup.
100%
Red, White & Built Right
Lifetime Warranty Polyurethane Bushings
Built to Last, Easy to Rebuild
Apoc Industries' high-performance polyurethane bushings are backed by a lifetime warranty and engineered for durability you can count on. Easily rebuildable with basic tools, they deliver a firm, responsive ride without the hassle—made for daily drivers and built for the long haul.

Before

After
FAQ'S
Ford Superduty 4 Link Coversion FAQ's
A: A 4-link conversion replaces the factory radius arm setup, delivering better suspension geometry, improved ride quality, and more precise caster control—especially on lifted trucks. Unlike radius arms that limit articulation and can cause binding, a true 4-link setup allows each control arm to move independently, reducing stress on bushings and increasing flex. The result is smoother handling, better tire contact, and a more stable, confident ride—on the road or under load.hts.
At Apoc Industries, we understand that every suspension change impacts your vehicle’s geometry. That’s why we provide detailed installation instructions, including caster correction measurements tailored to a variety of lift and leveling heights. Whether you’re adding a small leveling kit or a full suspension lift, our guides ensure you have the correct specifications to dial in your alignment for maximum drivability, tire life, and performance.
Taking the guesswork out of your setup means better results — and a better ride..
A: Yes. Unlike the factory setup, the Apoc 4-Link Conversion Kit includes upgraded axle-side cam eccentric bolts, giving you full control over caster adjustment—a feature Ford never offered. Once your control arms are set to the correct length, these cams allow precise fine-tuning of caster, whether you're doing it yourself or having it aligned professionally. It’s a smarter, more flexible setup designed to improve drivability and alignment accuracy.
For PTMEG (polytetramethylene ether glycol) polyurethane bushings, the best grease is a silicone-based lubricant with PTFE (polytetrafluoroethylene) additives. Here’s why and what to consider:
Why Silicone-Based with PTFE?
: PTMEG polyurethane is resistant to petroleum-based products, but silicone-based grease is preferred as it won’t degrade the material and is explicitly recommended for polyurethane bushings.Tackiness
: PTFE additives lower the coefficient of friction and are waterproof, ensuring long-lasting lubrication and quiet operation.
: Silicone-based grease repels water, protecting bushings from corrosion and maintaining performance in wet conditions.
A: No cutting, welding, or drilling is required. The frame brackets are engineered to bolt directly into the factory radius arm mounts using existing holes, making installation clean, fast, and hassle-free. It’s a true bolt-on upgrade designed for maximum strength with zero guesswork.