Spicer Front Master Ball Joint & Axle U-Joint Overhaul Kit for 2007-2012 Jeep Wrangler JK (Dana 30, Both Sides)

Eliminate erratic steering wander, conquer front-end death wobble, and restore crisp mechanical rotation to your drivetrain with this genuine Spicer Front Master Ball Joint and Axle Shaft U-Joint Overhaul Kit. Specially engineered for early generation 2007–2012 Jeep Wrangler JK and JK Unlimited (2-Door & 4-Door) models—including Sport, Sahara, and X trims—this premium all-in-one bundle includes all the components required to completely rebuild both the driver and passenger sides of your factory Dana 30 front axle.

On the JK platform, the front steering knuckles and outer axle shafts endure severe multi-directional stresses, which are significantly accelerated when running larger aftermarket off-road tires. Worn ball joints lead to unsafe loose tracking, steering play, and uneven tire tread wear, while dried-out or pitted front axle universal joints cause loud clicking sounds and steering wheel binding when turning with 4WD engaged.

This master combo kit solves both maintenance issues simultaneously, eliminating the hassle of tracking down individual parts. By bundling heavy-duty upper and lower ball joints with high-end Spicer Life Series (SPL) universal joints, this package updates your entire outer wheel-end architecture to factory-original structural strength and smooth operation.

Kit Highlights:

• Complete Dual-Side Master Bundle: Includes 2 upper ball joints, 2 lower ball joints, 2 front outer axle shaft universal joints, along with all mandatory premium cotter pins, castle nuts, snap rings, and installation hardware.

• Genuine Spicer OEM Quality: Manufactured by the original equipment supplier to strict material tolerances, providing significantly greater longevity and impact resistance than generic aftermarket alternatives.

• Heavy-Duty Forged Construction: Ball joints feature heat-treated internal studs to prevent deflection, while the universal joints utilize case-hardened alloy steel crosses to withstand sudden trail torque.

• Maintenance-Free U-Joint Design: Features the premium Spicer Life Series (SPL) non-greasable universal joints, using multi-lip synthetic rubber seals to permanently lock high-grade lubrication inside while keeping trail dust, deep mud, and water out.

Vehicle & Axle Fitment:

• Make: Jeep

• Model: Wrangler JK / Wrangler JK Unlimited (Sport, Sahara, X, Freedom Configurations)

• Years: 2007, 2008, 2009, 2010, 2011, 2012

• Axle Profile: Front Next-Gen Dana 30 Axle Assemblies (Does not fit Rubicon Dana 44 front axles)

• Position: Front Steering Knuckles & Outer Axle Shafts (Complete Left and Right Kit)