JBA HD High CasterUpper a-arms
- More spring clearance is More suspension travel
- Now More Caster for better control
- More articulation
- More traction on the trails
- JBA gives you MORE for your money
The JBA HD Upper A-Arms, upper control arms (UCAs) were designed for your lifted Toyota Tacoma "05" Plus, 4Runner "03" Plus, FJ Cruisers "07" Plus, Lexus GX470 03-09, Lexus GX460 2010 Plus and will directly replace your stock upper a-arms. The original equipment a-arm (UCAs) hits the spring, on Toyota Tacoma with a lift kit. The JBA HD A-Arms are compatible with all the lift kits on the market today! These A-Arms (UCAs) were designed to fit Toyota Tacoma, 4Runner, FJ. Made of heavy duty tubing, red powder coat finish, with replaceable ball joints and 2 piece Synthetic Elastomer bushings. The A arms (UCAs) are assembled and ready to bolt onto your Toyota Tacoma, 4Runner, or FJ. Sold as a set, 1 left & 1 right UCA.
HD A-arms are thicker tubing 3/16" wall and 1-5/16" dia with 11ga guests on the bushing bongs
Please Note: 285/75R16 (32.8" x 11") and 255/85R16 (33.1" x 10.0") and larger diameter tires need aftermarket wheels with 4.5" back space. https://tiresize.com/calculator/
Wheel recommendations for 285/75R16 (32.8" x 11") and 255/85R16 (33.1" x 10.0") and larger diameter tires
7.0" wide use 6 to 12 offset = 4.25" to 4.50" back space
7.5" wide use 0 to 6 offset = 4.25" to 4.50" back space
8.0" wide use -6 to 0 offset = 4.25" to 4.50" back space
8.5" wide use -12 to -6 offset = 4.25" to 4.50" back space
9.0" wide use -19 to -12 offset = 4.25" to 4.50" back space
The Ball joint range of motion
- Up travel is 40 deg off of center line of the ball joint.
- Down travel is 50 deg off of center line.
- Full range of motion is 90 deg.
Note: there is a left & right side, they are not symmetrical.
New Gen 7.5.HC HD A-arms
- More Caster
- More articulation, See JBA vs Uniball
Ball joints are mounted on an angle to line up with steering knuckle
Replaceable ball joints
- Greaseable ball joints
Red powder coat finish
Heavy duty tubing 3/16" thick
A-arms work with all lift kits! Get more articulation with JBA a-arms!
Sold as a set
- Made in USA!!