BST BSSP Front Upper Control Arms Kit | Tubular Ball Joint, 2-4 Inch Lift, 1999-2006 Silverado 1500/Sierra 4WD (Pair)

Upgrade Your Silverado Suspension with BST BSSP Front Upper Control Arms

Designed for 1999-2006 Silverado 1500 and Sierra models with 6 lug wheels, this pair of front upper control arms is built to support a 2-4 inch lift. The kit features tubular ball joints and alpha chromoly joints with a built in taper, delivering a robust connection that is ready for demanding driving conditions. The arms are a bolt-on upgrade, meaning a cleaner install for enthusiasts who want to preserve factory geometry while gaining lift compatibility.

Expect a more confident feel behind the wheel as you navigate uneven pavement, rocky trails, or highway on-ramps. While not promising guaranteed results, these components are engineered to offer a tighter feel and steadier tracking when paired with the right lift setup and proper alignment.

Key Benefits at a Glance

• Alpha chromoly joints with built in taper provide a strong, precision-fit connection for lifted applications.
• Maintenance-free pressed thermofuse pivot joint bushings reduce ongoing upkeep and resist harsh conditions.
• Tower type dust covers help extend service life in extreme temperatures and challenging environments.
• CNC machined bushings, housings and sleeves deliver consistent fitment and solid welding cores for durability.
• Thicker handles improve grip and handling during installation and service checks.
• 100% bolt-on design for front left and right upper arms; compatible with 4WD and RWD configurations and 6-lug wheels.

What’s Included and Fitment Notes

• 1 pair of front upper control arms with hardware as shown in the listing
• 2-4 inch lift compatibility; 6-lug wheels only
• Works with both 4WD and RWD vehicle setups
• Front left and right upper arms; installation is bolt-on
• Arms arrive with ball joints and bushings already installed; optional aftermarket ball joints and bushings are available in our store

Installation Tips and Real-World Use

To ensure a smooth install, avoid applying excessive force which could damage components. After installation, a proper alignment is recommended to restore optimal steering geometry and tire wear patterns. These arms are designed to complement a 2-4 inch lift without altering the vehicle’s essential alignment at the factory specifications, provided the lift is compatible and installed correctly. In everyday use, you may notice improved steering response and improved stability on varied road surfaces, especially when transitioning from paved streets to light off-road terrain. This kit is built to work with the specified Silverado and Sierra platforms, offering a practical upgrade path for drivers seeking enhanced control and lift compatibility while preserving overall ride quality.