QA1 Street Performance Front Lower Control Arm Kit for 1970-1996 GM A, B, F, and X-Body (MPN: 52720)

Fits select 1970-1996 GM A-Body, B-Body, F-Body, and X-Body vehicles including Chevrolet Camaro, Caprice, and Impala SS, Pontiac Firebird, and Buick Roadmaster.

QA1 Street Performance Front Lower Control Arms are engineered to modernize the handling of your classic GM platform. These arms replace weak factory stamped steel components with high-strength tubular steel and billet aluminum cross shafts, offering a superior strength-to-weight ratio. Designed specifically for street use, cruising, and long-distance driving, they utilize polyurethane bushings to isolate road noise while maintaining the stiffness required for precise cornering and improved steering response.

These arms are specifically configured for use with QA1 Pro Coil Systems featuring a double-shear lower shock mount. By correcting outdated front-end geometry, these arms are designed to add 3-4 degrees of caster and 0.5 to 1 degree of negative camber when used in conjunction with QA1 upper control arms, significantly improving high-speed stability and tire contact during cornering.

• Optimized Geometry: Corrects factory suspension angles for better handling and stability.
• High-Strength Construction: Robotically welded tubular steel with a durable black powder-coated finish.
• Billet Aluminum Cross Shafts: Provides a lightweight yet rigid mounting point for the suspension.
• Integrated Ball Joints: Includes QA1 Ultimate Ball Joints for increased strength and long-term serviceability.
• Polyurethane Bushings: Delivers a smooth ride by isolating NVH while reducing deflection under load.
• Installation: Direct bolt-in design requiring no modifications to the factory chassis.
• Manufacturer Part Number: 52720
• Origin: Made in the USA