Install notes and evidence

Synergy Manufacturing source wording says: Rebuild kits include all required wear items to rebuild a pair of Synergy HD Adjustable Lower Ball Joints.. Verify JK/JL/JT application, axle/trim, tie-rod or drag-link setup, stabilizer/mount path, alignment, and any required brackets before checkout.

Product-specific install PDFs or videos are not captured for this record yet. Treat this as a source gap before quote, checkout, or labor planning.

SteeringNeeds vehicle setup checkProduct image available

Synergy Manufacturing

Synergy HD Adjustable Ball Joint Rebuild Kits and Parts

Vendor fitment: 1999-2018 JK Wrangler. Steering fitment from the vendor source. Confirm final options and fitment on the vendor page before purchase.

Rebuild kits include all required wear items to rebuild a pair of Synergy HD Adjustable Lower Ball Joints. Synergy Lithium Complex Extreme Pressure (EP) Grease recommended. Fitment: Part # Fitment 4123-100 2003 - 2013 Ram 2500 2003 - 2012 Ram 3500 4127-100 2007 - 2018 Jeep Wrangler JK / JKU 1999 - 2004 Jeep Grand Cherokee WJ Features: Rebuild kits (4123-100, 4127-100) include: 2x Bearings, 2x Roll Pins, 2x Belleville Washers, 2x Tabbed Lock Washers, and 2x Dust Boots Notes: Synergy High Performance Grease (4119) is the recommended grease for this product Rebuild kits for Synergy HD Adjustable Ball Joint kits Rebuilds two lower adjustable ball joints Part # Description Fitment Application...

SKU

4123-7-RP

Price

$75

Role

review candidate

Start build with this part Vendor/source

Ask Rig Builder about this product

Ask product-specific questions about fitment notes, install docs, and simple comparisons.

For full build planning, tire/lift/wheel combinations, or a recommendation path, use the main Ask Rig Builder advisor.Open Ask Rig Builder

Question

What offset and backspacing is this?

We don't have that info yet

We don't have that info yet.

Fitment and build notes

Vendor catalog record promoted for browsing. Final fitment, install dependencies, and shopper selection still require review before checkout.

A source-backed fitment match is enough to shortlist the part. Before purchase, still confirm the exact vehicle setup, variant, install parts, and whether the customer is buying for DIY install or a shop quote.

Readiness

Fitment statusUseful for a shortlist, but exact vehicle setup, dependencies, or purchase path still need review.Needs vehicle setup check

Evidence levelNeeds source collection and claim-level review before it should be treated as recommendation-ready.Evidence review needed

Install docsNo product-specific install PDF, install support link, or official video is captured for this record yet.Source needed

Product imageProduct image available

Purchase pathUse for build planning or a shop quote

Visual prioritymedium

Source-backed facts

Fact summary

Models: JK Wrangler; Years: 1999-2018; Source: xcart_html; Captured: 2026-05-12