KSP 2-4 in Upper Control Arms for Silverado Sierra 2007-2018 - Durable

In this review the KSP 2-4 in Upper Control Arms are evaluated for owners of 2007-2018 Chevy and GMC 6-lug 1500 trucks and SUVs who want a stronger, adjustable alternative to factory cast arms. The single biggest reason to consider these arms is their construction: TIG welded 1.25 DOM tubing with an updated PU bushing and CNC machined finish offers a clear strength and cosmetic upgrade over many stock and budget aftermarket options. Fitment is specific to 6-lug models and installation is straightforward for a competent DIYer or shop.

Key Features

• Vehicle fitment: Direct replacement design fits 2007-2018 Yukon, Sierra, Silverado, Tahoe, Suburban, Yukon XL and compatible 6-lug models for broad compatibility across GM 1500 models.
• Strong construction: Built from 1.25 DOM tubing and TIG welded joints to provide a reinforced structure that resists flex and deformation under load.
• Updated bushings: Version 5.0 PU bushing improves driving feel and reduces unwanted movement compared with older designs.
• Replaceable ball joint policy: Comes with a 12-month free ball joint replacement promise and 30-day refund window to protect against early failures.
• Finish and protection: CNC machined surfaces and a red texture finish add corrosion resistance and a more aggressive appearance.
• Maintenance note: Includes greasable zerk and guidance to tighten properly after refilling and to avoid excessive force on the copper zerk.

Who It's For

The KSP control arms are best for owners of 6-lug 2007-2018 GM 1500 series trucks and SUVs who want an affordable steel upgrade with adjustability and improved bushing performance. Enthusiasts lifting or aligning vehicles and shops performing suspension refreshes will value the strength of 1.25 DOM tubing and TIG welds.

Those who should look elsewhere include buyers of 8-lug models or anyone needing a lifetime warranty on ball joints; some customers report ball joint durability concerns, so drivers expecting heavy off-road abuse or long-term high-mileage service may prefer premium OE-replacement arms with extended warranties.

Pros & Cons

Pros

• Solid, reinforced 1.25 DOM tubing with TIG welding improves structural strength over many cast arms.
• Updated 5.0 PU bushing and CNC finish enhance driving feel and appearance.
• Good fitment for a wide range of 2007-2018 6-lug GM 1500 models and relatively easy to install.
• Manufacturer support includes 12-month ball joint replacement and 30-day refunds.

Cons

• Some customers report ball joint failures over time, so durability can be mixed depending on use.
• Fitment is limited to 6-lug wheel models only, excluding 8-lug trucks.

Specifications

Our Verdict

These KSP upper control arms are a practical, value-oriented upgrade for 6-lug 2007-2018 GM 1500 owners who want stronger steel construction and improved bushing performance without a large price premium. They deliver clear benefits in rigidity and appearance, though prospective buyers should be aware of mixed reports on long-term ball joint durability and follow the supplied maintenance guidance.

Frequently Asked Questions

Will these fit my 2009 Silverado?
They fit 2009 Silverado 1500 models with 6-lug wheels in both 2WD and 4WD configurations.

Do the arms require greasing?
The ball joints are greasable via a zerk; tighten after refilling and avoid excessive force on the copper zerk. New ball joints do not require added grease within the first year.

What if a ball joint fails?
KSP offers a 12-month free replacement for ball joints and a 30-day refund policy, with free replacement parts available after the first month.