UMI Performance Grade 8 1/2" Rear Control Arm Bolt Kit for Select GM 1963-1977 (4001)

Fits select 1963-1977 GM vehicles, including Buick Skylark, Chevrolet Chevelle, Camaro, El Camino, and Monte Carlo, Oldsmobile Cutlass and F85, and Pontiac GTO, LeMans, and Firebird.

Don't compromise a high-performance suspension installation by reusing fatigued, rusty factory hardware. The UMI Performance 4001 Rear Control Arm Bolt Upgrade Kit provides a high-strength solution for securing either upper or lower rear control arms. This kit is designed to replace OE hardware with Grade 8 fasteners, ensuring your suspension maintains proper torque retention and alignment under load.

Each component is finished with a protective zinc plating to resist corrosion and ensure long-term durability in harsh undercar environments. This kit includes the necessary hardware to complete one pair of either upper or lower control arms.

• High-tensile Grade 8 steel for superior strength and safety.
• Protective zinc plating for maximum corrosion resistance.
• Nylon lock nuts prevent loosening due to chassis vibration.
• Replaces worn or damaged 1/2" OE control arm hardware.

Specifications:

• Bolt Diameter: 1/2"
• Hardware Grade: Grade 8
• Finish: Zinc Plated
• Manufacturer Part Number: 4001

Kit Includes:

• (4) 1/2" Grade 8 Bolts
• (4) 1/2" Nylon Lock Nuts
• Washers