Install notes and evidence

Synergy Manufacturing source wording says: Fitment: Part # Fitment 8012-09 1992-2001 Jeep Cherokee XJ 1993-1998 Jeep Grand Cherokee ZJ 1987-2006 Jeep Wrangler YJ / TJ / LJ 2007-2018 Jeep Wrangler JK / JKU Benefits: Adds 59% strength over stock axle tubes Machined OD to fit snugly into the stock axle housing Heavy duty DOM tubing fits tightly into axle tubes to provide unbeatable support without unnecessary movement Features: Precision engineered from 2.0" x 0.250 wall 1026 DOM Tubing (1.50" ID) Snug fit in axle tube to ensure they maintain their position without slippage or vibration Includes: (1) Driver Side Inner Axle Sleeve (1) Passener Side Inner Axle Sleeve Notes: Stock axle housings must be drilled and plug welded for installation; We recommend all welding be done by an experienced welder / fabricator Recommended to be used with the Jeep Inner C Gusset Kit and D30 / 35 / 44 Lower Control Arm Skid Plates Axle sleeves are not compatible with vacuum operated axle disconnect housings (1984-1991 Jeep XJ) This kit contains sleeves long enough to fit several applications; Trimming my be required for fitment on applications other than the JK Dana 30 Inner Axle Sleeves are NOT compatible with the Jeep JK Rubicon Recon models due to thicker axle tube housings Installation Instructions More information: www.p65warnings.ca.gov. Verify front/rear position, lift-height range, paired Synergy Manufacturing suspension system, joint/rod-end service path, alignment, brake-line or driveline implications, and whether the item is a complete part or support component before checkout.

Installation InstructionsVendor source page exposed this PDF near install/instruction wording.

DrivelineNeeds vehicle setup checkProduct image available

Synergy Manufacturing

Synergy Jeep JK, TJ/LJ, XJ, ZJ D30/44 Inner Axle Sleeve Kit

Vendor fitment: 1984-2018 JK Wrangler, LJ Wrangler Unlimited, TJ Wrangler, XJ Cherokee. Driveline fitment from the vendor source. Confirm final options and fitment on the vendor page before purchase.

The Synergy Jeep JK, LJ, TJ, XJ, ZJ D30/44 Inner Axle Sleeve Kit is designed to increase the strength of the front Dana 30 / 44 axle housings that are prone to bending when larger off road tires are installed. Have confidence in your axle while offroad without having to spend thousands! Pair this with our Synergy Inner C Gussets and our Dana 30 or Dana 44 Front Axle Truss Kits for a tough, trustworthy axle for all your adventures. Fitment: Part # Fitment 8012-09 1992-2001 Jeep Cherokee XJ 1993-1998 Jeep Grand Cherokee ZJ 1987-2006 Jeep Wrangler YJ / TJ / LJ 2007-2018 Jeep Wrangler JK / JKU Benefits: Adds 59% strength over stock axle tubes Machined OD to fit snugly into the stock axle hous...

SKU

8012-09

Price

$160

Role

review candidate

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For Synergy Jeep JK, TJ/LJ, XJ, ZJ D30/44 Inner Axle Sleeve Kit, use the Synergy Manufacturing source page and captured source facts before treating the card as checkout-ready. Synergy Manufacturing source wording says: Fitment: Part # Fitment 8012-09 1992-2001 Jeep Cherokee XJ 1993-1998 Jeep Grand Cherokee ZJ 1987-2006 Jeep Wrangler YJ / TJ / LJ 2007-2018 Jeep Wrangler JK / JKU Benefits: Adds 59% strength over stock axle tubes Machined OD to fit snugly into the stock axle housing Heavy duty DOM tubing fits tightly into axle tubes to provide unbeatable support without unnecessary movement Features: Precision engineered from 2.0" x 0.250 wall 1026 DOM Tubing (1.50" ID) Snug fit in axle tube to ensure they maintain their position without slippage or vibration Includes: (1) Driver Side Inner Axle Sleeve (1) Passener Side Inner Axle Sleeve Notes: Stock axle housings must be drilled and plug welded for installation; We recommend all welding be done by an experienced welder / fabricator Recommended to be used with the Jeep Inner C Gusset Kit and D30 / 35 / 44 Lower Control Arm Skid Plates Axle sleeves are not compatible with vacuum operated axle disconnect housings (1984-1991 Jeep XJ) This kit contains sleeves long enough to fit several applications; Trimming my be required for fitment on applications other than the JK Dana 30 Inner Axle Sleeves are NOT compatible with the Jeep JK Rubicon Recon models due to thicker axle tube housings Installation Instructions More information: www.p65warnings.ca.gov. Verify front/rear position, lift-height range, paired Synergy Manufacturing suspension system, joint/rod-end service path, alignment, brake-line or driveline implications, and whether the item is a complete part or support component before checkout. Confirm final options and fitment on the Synergy Manufacturing page before purchase.

Sources

- Synergy Manufacturing product-type guidance plus source wording: Fitment: Part # Fitment 8012-09 1992-2001 Jeep Cherokee XJ 1993-1998 Jeep Grand Cherokee ZJ 1987-2006 Jeep Wrangler YJ / TJ / LJ 2007-2018 Jeep Wrangler JK / JKU Benefits: Adds 59% strength over stock axle tubes Machined OD to fit snugly into the stock axle housing Heavy duty DOM tubing fits tightly into axle tubes to provide unbeatable support without unnecessary movement Features: Precision engineered from 2.0" x 0.250 wall 1026 DOM Tubing (1.50" ID) Snug fit in axle tube to ensure they maintain their position without slippage or vibration Includes: (1) Driver Side Inner Axle Sleeve (1) Passener Side Inner Axle Sleeve Notes: Stock axle housings must be drilled and plug welded for installation; We recommend all welding be done by an experienced welder / fabricator Recommended to be used with the Jeep Inner C Gusset Kit and D30 / 35 / 44 Lower Control Arm Skid Plates Axle sleeves are not compatible with vacuum operated axle disconnect housings (1984-1991 Jeep XJ) This kit contains sleeves long enough to fit several applications; Trimming my be required for fitment on applications other than the JK Dana 30 Inner Axle Sleeves are NOT compatible with the Jeep JK Rubicon Recon models due to thicker axle tube housings Installation Instructions More information: www.p65warnings.ca.gov

- No exact Synergy product-specific instruction PDF was captured in this pass.

- Synergy Manufacturing source page: https://www.synergymfg.com/jeep/jeep-jk/axles--drivetrain/synergy-jeep-jk-tjlj-xj-zj-d3044-inner-axle-sleeve-kit.html

- Vendor catalog fitment summary: Vendor fitment: 1984-2018 JK Wrangler, LJ Wrangler Unlimited, TJ Wrangler, XJ Cherokee. Driveline fitment from the vendor source. Confirm final options and fitment on the vendor page before purchase.

- Synergy Manufacturing local source capture: 2026-05-12.

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 docsProduct-specific install/support links are captured. Confirm exact SKU/application before final approval.Captured

Product imageProduct image available

Purchase pathUse for build planning or a shop quote

Visual prioritymedium

Source-backed facts

Fact summary

Models: JK Wrangler, LJ Wrangler Unlimited, TJ Wrangler, XJ Cherokee, YJ Wrangler, ZJ Grand Cherokee; Years: 1984-2018; Source: xcart_html; Captured: 2026-05-12