JBA HD High Caster Upper 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!!
- Absolutely Love Them. Review by fiona_da_fjc
When I found these, I was so happy to find a UCA that wasn't a uni-ball yet had the ability of one.....plus they look great too! The design is outstanding and the are built like a tank! Strong! I would highly recommend these HD UCA's to anyone. Worth every penny. I hope JBA makes matching LCA'S for them soon....I would love to match them up. Thanks Marlin! And keep up the good work!
Lee owner of Fiona da FJC 2014 FJ Cruiser TTUE (Posted on 7/11/2018)