Best Upper Control Arms for 4th Gen Tacoma

[k2idle]

Top 7 Upper Control Arm Options for the 4th Gen Tacoma​

Drafting this up because UCAs are one of those upgrades that keep coming up every time someone talks about lifting the new Tacoma. The stock arms work fine at factory height, but once you add a lift, alignment and geometry can go out of spec. Aftermarket UCAs fix that while also adding strength and better joints.

Why Upgrade Your Upper Control Arms?​

• Correct caster and camber after installing a lift
• Improve suspension travel and ride quality
• Add stronger joints and materials for durability

Dirt King Billet UCAs​

High-end CNC billet aluminum arms built for strength and precise alignment correction on lifted Tacomas.

• CNC-machined 6061 billet aluminum
• FK uniballs and heims for strength and articulation
• Corrects geometry for 2–3" lifts

Check Price Here

Peak Suspension Tubular UCAs​

Tubular chromoly design with sealed ball joints. A solid balance of strength, price, and everyday drivability.

• Chromoly tubing with powder coat finish
• Sealed ball joints, low maintenance
• Improves alignment on lifted trucks

Check Price Here

Total Chaos Stock Length UCAs​

Well-known in the off-road world, designed for durability and extra travel with aftermarket shocks.

• Boxed steel construction
• Polyurethane bushings
• Compatible with extended travel coilovers

Check Price Here

ICON Billet UCAs w/ Delta Joint Pro​

Billet aluminum arms paired with ICON’s Delta Joint Pro for articulation and long service life.

• CNC-machined aluminum arms
• Delta Joint Pro combines uniball performance with sealed reliability
• Built for 2–3" lifted Tacomas

Check Price Here

JBA High Caster UCAs​

Known for their high-caster geometry, making alignment easier on lifted trucks.

• Tubular steel arms
• Ball joint design for easy replacement
• Improves drivability after a lift

Check Price Here

Rough Country Forged UCAs​

Budget-friendly forged arms that correct geometry and come with maintenance-free joints.

• Forged steel design, stronger than stock
• POM ball joints with full range of motion
• Affordable upgrade for mild lifts

Check Price Here

ReadyLift UCAs​

Designed for compatibility with ReadyLift’s own lift kits, but also work well on most 2–3" setups.

• Tubular steel with premium ball joints
• Sealed bushings for longevity
• Improves caster and clearance

Check Price Here

Final Thoughts​

All of these arms will do the job the difference is in material, joints, and price point. Billet arms offer the most precision and strength, tubular options balance cost and performance, and forged designs cover budget-friendly upgrades. Pick based on your lift height, how hard you use the truck, and whether you want maximum performance or simple reliability.