XDDPRO Upper Control Arm Cam Bolt Kit for Chevy GMC Hummer 1999–2018 — 16‑Piece Alloy Steel ±1.5° Adjustment

If your truck’s front-end geometry shows uneven tire wear, wandering steering, or you’ve replaced control arms, the XDDPRO cam bolt kit gives a durable, adjustable solution without expensive alignment-only components. Machined from alloy steel, the kit supplies cams, lug bolts and lug nuts engineered to replace worn factory eccentrics and provide up to ±1.5° of alignment adjustment. It’s designed for a broad range of Chevy Silverado, GMC Sierra, Suburban, Avalanche, Yukon XL and compatible Hummer H2/H2T models across model years 1999–2018.

How does this kit correct wheel alignment on non-adjustable control arms?

The XDDPRO cam bolts create a slotted eccentric mounting surface that shifts the upper control arm’s pivot position, enabling fine changes in camber and caster. Install the cams in the arm bolt hole, rotate to the needed offset, then torque to spec to lock the setting. This mechanical repositioning gives technicians repeatable adjustment without aftermarket crossmember mods.

• Provides up to ±1.5° camber/caster correction
• Replaces worn slotted factory eccentrics for restored geometry
• No permanent frame changes required — reversible install
• Works on both 2WD and 4WD where factory geometry uses upper arm eccentrics

Which vehicles and axle setups are compatible with this set?

Compatibility covers many 6-lug and 8-lug GM trucks and SUVs from 1999 through 2018, plus Hummer H2/H2T where applicable. Confirm your model year and axle lug count before ordering; the kit is intended for factory upper control arm locations and will not function with suspension lift kits that relocate arms. Fitment details are listed in the product features for quick verification.

• Chevy Silverado 1500 (1999–2018, 6-lug) and select HD models
• GMC Sierra 1500 (1999–2018, 6-lug) and compatible HD/2500/3500 models
• Chevy Suburban/Avalanche 2500 and GMC Yukon XL 2500 (2001–2013 ranges)
• Hummer H2, H2T (2003–2009) 8-lug applications

What’s included and how durable are the components?

The kit ships with precision-machined cams, lug bolts and lug nuts to replace factory hardware at the upper control arm pivot. Constructed from alloy steel, the fasteners resist bending and deformation under normal driving loads and highway use. Regular inspection and correct torqueing after installation prolong service life and maintain alignment settings.

• 16-piece package: 8 cams, 4 lug nuts, 4 lug bolts
• Heat-treated alloy steel for strength and wear resistance
• Designed for street, towing and light-duty truck use
• Do not add grease to cams or bolts; install dry per instructions

How easy is installation and what should I watch for?

Installation is straightforward for anyone comfortable with front suspension work and basic hand tools. Replace the worn bolt and insert the cam, rotate to achieve the alignment offset, then tighten to the manufacturer’s torque specification. If you’re unsure of target angles, have a shop perform a post-install alignment check to confirm camber, caster and toe.

• Simple bolt-out, cam-in replacement for worn factory eccentrics
• Best paired with a professional alignment after install
• Not compatible with lift kits that relocate upper control arms
• Contact XDDPRO support for fitment confirmation if uncertain

Who this is for: Drivers and technicians who need a cost-effective, durable way to regain alignment range on GM trucks and compatible Hummer models without altering the frame or purchasing expensive aftermarket control arms. Ideal for owners fixing uneven tire wear, restoring factory geometry after component replacement, or tuning camber and caster within a ±1.5° window on stock arm locations.