Adjustable Front Upper Control Arms with Pivot Joints | Jeep® JK Wrangler
$309.00
+ $14.95 shipping · $323.95 total
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Shipping, delivery & returns
+$14.95 shipping · FIXED · FedEx (Standard Shipping)
📦 Est. delivery Jun 29, 2026 – Jul 1, 2026
Total: $323.95
Ships from Myerstown, Pennsylvania, US
🌍 Ships to 163 countries
↩️ Returns accepted · 30 calendar day · seller pays return shipping
Seller
About this item
The Del-Sphere™ pivot joints are smooth, long lasting and quiet. Application : Jeep© JK Wrangler (2 Door) & Wrangler Unlimited (4 Door). Simply loosen the two jam nuts, turn the adjuster's center hex until you reach the length you need and then tighten down the jam nuts, it's that simple.
Specifications
| Brand | Mountain Goat Series™ |
| Manufacturer Part Number | JK-615 |
| Placement on Vehicle | Front |
| Surface Finish | Powder Coated Bright Red or Gloss Black |
| Country of Manufacture | United States |
| Fitment Type | Performance/Custom |
Item description from seller
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Adjustable Front Upper Control Arms with Pivot Joints | Jeep® JK Wrangler
Item Description
Application : Jeep© JK Wrangler (2 Door) & Wrangler Unlimited (4 Door)
Part# JK-615
The Mountain Goat Series™ adjustable front upper control arms for the Jeep© JK Wrangler allow for maximum suspension articulation. Our adjustable front upper control arms are compatible with virtually any suspension system, from bone stock up to 6" or more of lift. For those of you with suspension lifts the adjustability feature allows you to lengthen or shorten the front upper control arms to dial in your pinion and caster angles, as well as position the front axle housing for proper tire clearance.
Our adjustable front upper control arms are manufactured from high strength 1.50" 4130N chrome moly DOM tubing and feature 100% TIG welded construction. They feature a CNC laser cut and formed 1/4" steel front housing bushing mounting bracket with an integral formed top gusset and a CNC laser cut 3/16" steel gusset between the front mounting bracket and the tube for maximum strength and durability. A brilliant and durable powder coated finish in your choice of bright red or gloss black provides excellent protection from corrosion, rocks and debris.
The length of our adjustable front upper control arms is easily adjusted while mounted on your Jeep© JK Wrangler by using the massive 1"-12 forged 4140 chrome moly double adjuster. Simply loosen the two jam nuts, turn the adjuster's center hex until you reach the length you need and then tighten down the jam nuts, it's that simple.
The rearward ends of our adjustable front upper control arms for the Jeep© JK Wrangler feature greaseable and rebuildable Del-Sphere™ pivot joints. These were chosen to provide maximum suspension articulation (30 degrees) and off-road performance while minimizing the transfer of road noise and vibrations on the street. The Del-Sphere™ pivot joints are smooth, long lasting and quiet.
Our Del-Sphere™ pivot joint ends feature a heavy duty 0.200" wall DOM cartridge that houses self lubricating Delrin© bushing cups, a precision ground and hard chrome plated 52100 heat treated bearing steel spherical ball, a heat treated and zinc plated retainer washer and snap ring, a heat treated and zinc plated chrome moly threaded adjuster ring and an external grease fitting. They are reinforced with 100% TIG welded CNC laser cut and formed 3/16" steel gussets. Since Delrin© is self lubricating there is no need to grease this joint which attracts grit and grime, but we do have a grease fitting in place for those who want it.
The Del-Sphere™ pivot joint ends used on these control arms are designed specifically for the Jeep© JK Wrangler application. The cartridges are only 1.50" wide and use high misalignment spacers on each side of the spherical ball which allows the pivot joint to reach its full articulation range without the housing bottoming out and binding inside of the control arm mounts. This provides for quiet operation and a true full 30 degrees of unrestricted suspension articulation.
Our Del-Sphere™ pivot joint ends are fully rebuildable and adjustable. You can completely disassemble the Del-Sphere™ pivot joint for cleaning, inspection, etc. You can also adjust the amount of friction on the spherical ball, the amount of tension can be easily adjusted by using our optional adjustment tool to tighten or loosen the threaded adjuster ring. The threaded adjuster ring is then locked in place by a set screw.
What that means is if over time, miles and abuse the tolerances open up you can simply tighten down the threaded adjuster ring and have your pivot joint as tight as it was the day it was brand new. We doubt you'll ever need to replace the Delrin© bushing cups, but they certainly can be. Unlike a rubber bushing or spherical rod end, the Del-Sphere™ pivot joints are 100% rebuildable at a very low cost.
Priced per Pair -- Qty. 1 = 1 Pair
Mountain Goat Series™ Adjustable Front Upper Control Arms Specifications & Features:
• Manufactured from high strength 1.50" 4130N chrome moly DOM tubing that is precison TIG welded.
• CNC laser cut and formed 1/4" steel front housing bushing mounting bracket with an integral formed top gusset.
• CNC laser cut 3/16" steel gusset between the front mounting bracket and the tube for maximum strength and durability.
• Massive 1"-12 right hand and left hand threaded silver zinc plated CNC machined forged 4140 chrome moly double male stud adjuster threads into 4130N chrome moly TIG welded threaded tube adapters and provides for easy on-Jeep© precise adjustments.
• The rearward ends mount with fully rebuildable Del-Sphere™ pivot joints with grease fittings for easy lubrication that provide 30 degrees of unrestricted suspension articulation and a smooth and quiet ride.
• All ends are reinforced with 100% TIG welded CNC laser cut and formed 3/16" steel gussets.
• Includes a new Grade 10.9 12mm bolt, flanged lock nut and flat washer for the passenger's side rear mount .
• Available powder coated in your choice of bright red or gloss black for a brilliant and durable finish.
• Easy 100% bolt on installation with the use of basic hand tools.
• Proudly hand crafted by skilled craftsman in PA - USA!
Specify Below Option Choices When Ordering:
Color: You must specify red or black when ordering.
Adjustment Tool: Del-Sphere pivot joint adjustment tool. You can purchase this tool by searching for Part# DS34-W in our eBay Store .
  
  
See our eBay Store for more Jeep© JK Wrangler products!
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• Color Choice
• Color Choice
• Payments & Taxes
• Shipping
• About Us
• Returns Policy
Color Choice
Items with a Color Choice: If an item has a color choice shown in the listing description you must tell us your color choice as soon as the order is placed. Please note your color choice in the "Comments" field of the eBay checkout and/or in the "Notes" field when sending your PayPal payment, or simply send us a message through eBay right after placing the order.
Orders that are placed without immediately noting your color choice will be shipped the color that is pictured .
• Payments & Taxes
Payments & Taxes
Payment Types: We only accept payments through PayPal. You can use your Visa, MasterCard, Discover, or American Express credit or debit card through PayPal when checking out, a PayPal account is not required.
Sales Tax: All Pennsylvania sales will be charged 6% sales tax.
• Shipping
Shipping
Flat Rate Ground Shipping Charges: We offer LOW Flat Rate Ground Shipping that is based on your order total. These charges are clearly listed on all of our listings.
You are only charged the shipping charge of the first item you add to your cart. So if you add additional items to your order there are no additional shipping charges! If your order totals $499.00 or more the shipping is FREE!
Our Flat Rate Ground Shipping Rates:
$00.00 - $25.00 = $6.95
$25.01 - $100.00 = $10.95
$100.01 - $250.00 = $12.95
$250.01 - $498.99 = $14.95
$499.00 or more = FREE GROUND SHIPPING!
Shipping Carrier: Items will ship via USPS, FedEx Ground, and/or UPS Ground at our discretion. The tracking number(s) will be emailed to you upon shipment.
Multiple Items: Be sure to click "Add To Cart" on all of the items you wish to order before going through checkout. eBay's shopping cart checkout system will combine multiple items in to one single order and automatically re-calculate the flat rate shipping charge based on your order total.
HI, AK, APO/FPO & International: Due to the limitations of eBay's shipping system we can only accept orders from the Continental United States (48 States) or locations that are eligible for the eBay Global Shipping program .
• About Us
About Us
Since 1999 we have committed our efforts to the design and manufacture of suspension, chassis, and drivetrain components that deliver the highest level of quality, performance, and value. Our team of highly skilled craftsmen take pride in their work!
If you have any questions about our products, please feel free to send us a message through eBay .
• Returns Policy
Returns Policy
We cannot accept returns on parts that have been used or installed. Prior authorization through the eBay return request system must be given before a return can be made. There are no refunds on shipping charges. Buyer pays for return shipping.
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