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SKU: KIT202-JJSP

$110.00

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Jeep Super HD Ball Joint Kit (1) BJ107 (1) BJ109 For 99-04 Grand Cherokee 07-18 Wrangler JK Apex Chassis.

At APEX we like to say our quality is not consistent, it’s constantly evolving. We rely entirely on engineering, in-house and off-road testing as well as customer feedback to decide on the best design and materials to choose.

This KIT202 2-pack Contains 1 Upper and 1 Lower Ball Joint.

For a 4-pack see KIT102

What It Fits:
Jeep Grand Cherokee (1999-2004) 2WD or 4WD
Jeep Wrangler JK (2007-2018) 4WD

  • Phosphate Finish: Extremely durable. Double coated. UPPER: Threads coated as well. Rugged look.
  • Grade 8 – Class 10.9 Hardware: Superior tensile strength
  • Castle Nut: Industry standard where high vibration loads occur.
  • SAE 1045 Solid Steel Forged Housing: This is unequivocally the best carbon alloy steel for this application.
  • Knurled Housings: The preferred design for aftermarket installations.
  • CNC Machined Housing: Make our parts and bearings dimensionally perfect, eliminating any die wear issues.
  • Upper: Carbon Bearing Design: Used mainly in Jeep and upper ball joints is the solver of all things wobbly. Like all of our product
  • Lower: Military Grade Acetal Bearing: The same bearing material spec’d by the US military for Hummer ball joints.

This material is: dimensionally stable (doesn’t expand or contract with hot or cold, water or oil absorption), it can be polished smooth as steel, is anti-friction, Doesn’t wear itself out under load like metal on metal, and can take an absolute pounding.

  • SAE 4140 hot forged Chromoly Ball Studs: For the strongest possible metallurgy.
  • Induction Heat Treated Ball Studs: Provides a very precise heat treatment to the exact depth and location we want it.
  • Upper: Plunger Design Stud:and Unique to Jeep and, allows up and down movement with no side-to-side movement.
  • Lower: Polished Ball Studs: Are built like an anti-friction bearing with extremely precise tolerances.
  • Rolled Threads: Are made by pressing the shape of the threads into the ball stud instead of cutting.
  • This strengthens the threads instead of weakening them and allows for easy movement of hardware.

This ain’t no Ikea furniture!

  • Step Threads: Allows for very easy movement of hardware on install and superior holding when torqued (installer choice).
  • CR Rubber Boots: The most durable material for undercar applications. Resistant to deterioration from road level ozone, oil/gas/engine fluids and extreme heat or cold
  • Pancake Boot
  • Pre threaded Zerk Housing: If you have ever installed a MOOG Ball Joint without a pre-threaded zerk fitting you will understand what a simple but great feature this is. Another installer fav.
  • Greaseable: Because it should be.
  • Pre-Greased: Just in case you forget, we have you covered.
  • Gull Winged Grease Grooves: Allows for improved lubrication disbursement around the ball stud.
  • Zerk Fittings: Included for every application.
  • Custom Features: Upper: Custom Bearing design to eliminate Death Wobble.
  • Custom Features: Lower: Angled Zerk housing for easier servicing.
Series
Color OptionsCharcoal, Orange, Yellow, Blue, Green, Light Green, Red, Purple, Black, White
Built With
Grease Fittings
Lift Range
Fixed End
Thread Size
Thread Length
Make Model Year
0

FAQs

Our product lines are designed to offer the absolute most value for your budget. Not every build is the same and we understand that. Our series differ mostly in the components used in the construction of the parts. Our Cruise and Town Series utilizes our high grade flex poly bushings at both ends of the arm, this has proven to be a smooth riding easy to maintain and replace bushing that we absolutely love. Our Camp and Trail Series utilizes 5/16″ wall DOM tubing and incorporates a flexible Johnny Joint at the adjusting end, this series has been our most popular series for all around use, great for daily drivers that want to tear up the trails as well. Our Crawl, Tow, and Track Series utilizes the same 5/16″ wall DOM tubing, but features Johnny Joints at both ends. This series gives you the absolute most out of your suspension. This is great for heavy towing/hauling and extreme off-roading. Also, if the component is straight in these series we will machine these left and right hand threaded for easy adjustment on the vehicle!

We are constantly expanding our product lines to include complete kits, if you don’t see something on the site for your vehicle, reach out to our sales team and we can put something together for you.

Our two main sizes of jam nuts require an1-1/2″ wrench or an 1-5/8″ wrench. Generally speaking the 1-5/8″ jam nuts are used on our lower control arms and the 1-1/2″ jam nuts on our upper control arms and track bars. There are some exceptions, but we do offer a crow’s foot that has both sizes.

Any non-synthetic moly based grease is safe on our products, avoid lithium greases and anything red as this can prematurely deteriorate the internal components of the Johnny Joints and bushings used on our parts.

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If you manage to break It,
we'll replace it.

As the founder of Core 4×4, I stand behind our unwavering commitment to delivering top-tier, American-made products that don’t break the bank. We take immense pride in our craftsmanship, sourcing materials domestically to ensure the highest quality possible. Our team goes the extra mile to rigorously test and refine every product, ensuring it not only meets but exceeds industry standards. When you choose us, you’re choosing durability, reliability, and affordability. That’s not just a business model— it’s a promise, from our family to yours.

Sincerely,
Spence Schramm
Founder, Core 4×4