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Heavy-Duty

Adjustable Control Arms
& Aftermarket Parts

Select Your Vehicle

Made in the USA

Lifetime Replacement Guarantee

Factory Direct

Core 4X4 Tier SystemNot all builds are the same, and not all budgets are unlimited.

Core 4×4 control arms provide maximum adjustability and performance. All our control arms are built with high-quality materials right here in the USA and carry our unique “You break it. We replace it” lifetime replacement guarantee. 
Tubing diameter, wall thickness, and bushing selection are the main differences between tiers. All tiers are a solid upgrade and will work with many lift sizes. The best part is you can find a set that will fit your budget.

Strong
Stronger
Stronger
Strongest
Tubing Diameter
1.625″ OD
1.625″ OD
1.5″ OD
1.5″ OD
Tubing Wall
3/16″ Wall Tubing
3/16″ Wall Tubing
5/16″ Wall DOM Tubing
5/16″ Wall DOM Tubing
Adjusting End Bushing
Rubber or Polyurethane
Welded Johnny Joint
Forged Currie Johnny Joint
Forged Currie Johnny Joint
Fixed End Bushing
Rubber or Polyurethane
Rubber or Polyurethane
Polyurethane
Welded Johnny Joint
Threading
1″ x 14 TPI Threads
1″ x 14 TPI Threads
1.25″ x 12 TPI Threads
1.25″ x 12 TPI Threads
Color Options
Available in 10 Colors
Available in 10 Colors
Available in 10 Colors
Available in 10 Colors