Upper Control Arm Alignment Cam Bolt Kit Enhanced - Precise Adjustment

In this review of the Upper Control Arm Alignment Cam Bolt Kit Enhanced, the bottom line is straightforward: this kit is for owners of late 1990s to 2018 Chevy and GMC 1500 trucks (and several related heavy-duty and 8-lug models) who need a durable, serviceable way to regain or fine-tune wheel alignment without replacing entire control arms. The reviewer found the kit's strongest point to be its simple mechanical approach to provide up to +/- 1.5 degrees of camber and caster adjustment, using hardened alloy steel parts that resist bending under normal road use.

Key Features

• Durable construction: Made from high-quality alloy steel so the cams and bolts resist deformation and hold alignment under typical driving conditions.
• Complete hardware set: The package contains 16 pieces total - 8 cams, 4 lug nuts and 4 lug bolts - providing everything needed for the upper control arm mounting points included in the fit list.
• Precise adjustment: Allows up to +/- 1.5 degrees of camber and caster adjustment to correct factory wear or minor misalignment on otherwise non-adjustable vehicles.
• Simple installation: The kit swaps with factory slotted eccentrics and can be installed with basic hand tools, restoring alignment without complex modifications.
• Compatibility focus: Designed specifically for 1999-2018 Chevy Silverado and GMC Sierra 1500 (6-lug) and a broad set of 2001-2013 heavy-duty and 8-lug H2/H2T models, reducing fitment guesswork for those trucks.

Who It's For

This kit is aimed at DIY truck owners and independent shops working on Chevy and GMC 1500-series models (and listed HD, Suburban, Avalanche, Yukon XL and Hummer H2/H2T fits) who want a cost-effective way to regain alignment without replacing upper control arms. It is a practical choice for vehicles with worn factory slotted eccentrics or mild misalignment where up to +/- 1.5 degrees of correction is sufficient.

Owners using lift kits that relocate the upper control arms should look elsewhere, because these cam bolts are not compatible with arm relocation systems. Also, if a vehicle requires larger alignment correction or replacement of damaged control arms, a full suspension component replacement is the better option.

Pros & Cons

Pros

• Provides targeted camber and caster adjustment on non-adjustable factory arms.
• Hardened alloy steel construction improves long-term durability over worn OEM eccentrics.
• Includes a full set of cams, lug nuts and bolts for a complete upper control arm installation.
• Relatively straightforward installation for a competent DIYer or mechanic.

Cons

• Fitment received mixed feedback from customers, so careful verification of vehicle compatibility is required before ordering.
• Will not work with lift systems that relocate the upper control arms, limiting use on modified trucks.

Specifications

Our Verdict

The Upper Control Arm Alignment Cam Bolt Kit Enhanced is a solid, value-oriented solution for truck owners who need to restore alignment on compatible Chevy, GMC and select Hummer models without big expense. Its durable alloy steel construction and complete hardware set make it a practical repair for worn factory parts, though buyers must confirm fitment and avoid use on vehicles with relocated upper control arms.

Frequently Asked Questions

Will this kit fit a lifted truck?
This kit will NOT work with lift kits that relocate the upper control arms; it is intended for stock-arm locations and mild alignment corrections.

How much adjustment does the kit provide?
The cams support roughly +/- 1.5 degrees of camber and caster adjustment to correct for worn eccentrics or minor misalignment.

Is installation difficult?
Installation is straightforward for a competent DIYer or mechanic and the kit replaces factory slotted eccentrics; do not add grease to the bolts or cams.