KSP 2-4in Upper Control Arms for Silverado Sierra 2500HD 3500HD

In this review of the KSP 2-4in Upper Control Arms the bottom line is straightforward: these are a budget-conscious, beefier replacement for stock arms designed for 2011-2019 Silverado and Sierra 2500HD/3500HD models with 8-lug hubs. They are best for owners who need a durable-looking, adjustable tubular arm after a 2-4in lift and who value improved bushing material and stronger welds over OEM cosmetics. The reviewer found installation generally straightforward but notes mixed feedback on ball joint angle and long-term bushing durability.

Key Features

• Fitment: Directly fits 2011-2019 Chevy Silverado and Sierra 2500HD/3500HD 2WD/4WD with 8-lug hubs, so buyers can expect bolt-on compatibility when the vehicle matches.
• Adjustability: Designed for 2-4in lifts, the adjustable tubular arms allow alignment correction after suspension changes and help restore track geometry.
• Improved bushings: PU bushing material is used to enhance driving performance and resist deformation compared with softer stock bushings.
• Durable finish: Double-layer blue shinning paint and CNC machining reduce corrosion risk and give the arms a tougher, longer-lasting surface treatment.
• Reinforced welds: TIG welding is specified to supply a more stable and reinforced structure compared with MIG welded alternatives.
• Maintenance note: New ball joints do not require extra grease for the first year and the zerk fitting should be tightened carefully after refilling grease to avoid damage.

Who It's For

The KSP upper control arms are aimed at truck owners who have installed a 2-4in lift on 2011-2019 Silverado or Sierra 2500HD/3500HD 8-lug models and want a stronger, adjustable replacement for the factory arms. Enthusiasts who prefer more robust-looking, TIG-welded tubular arms with PU bushings and a corrosion-resistant finish will appreciate these parts.

Those who should look elsewhere include owners of non 8-lug trucks or anyone seeking a premium OEM-matching part with proven long-term bushing life; several customers reported mixed durability of bushings and dust covers, so buyers requiring factory-level longevity may prefer higher-end options.

Pros & Cons

Pros

• Appears beefier than stock and installs easily for buyers with basic suspension experience.
• PU bushings and CNC machined components improve driving feel and build consistency.
• TIG welding and double-layer paint increase structural stability and corrosion resistance.

Cons

• Mixed customer reports on ball joint angle and bushing/dust cover durability indicate some quality variance.
• Careful maintenance is required for zerk fittings to avoid breakage when greasing.

Specifications

Our Verdict

The KSP 2-4in upper control arms are a solid value for lifted 2011-2019 Silverado and Sierra 2500HD/3500HD owners who want adjustable, stronger-looking replacements with improved bushings and TIG welds. They provide good fitment and easier installation for many buyers, but potential quality variance in ball joint angle and bushing longevity means cautious buyers should inspect parts on delivery and consider higher-end alternatives if absolute long-term durability is critical.

Frequently Asked Questions

Will these fit my non 8-lug truck?
No. These arms are specified only for 8-lug 2011-2019 Silverado and Sierra 2500HD/3500HD models.

Do the ball joints need greasing right away?
New ball joints do not require extra grease within the first year; when greasing later, tighten the zerk fitting carefully to avoid breaking the copper zerk.

How much lift can these arms handle?
They are adjustable and intended for use with 2-4in lifts to correct alignment and ball joint geometry after lifting.