SPC Performance A-Body Lower Control Arm

1970–1981 Buick Skylark, 1965–1967 Buick Gran Sport, 1973–1981 Buick Century & Regal with A-Body Platform

Part #: 94346

Overview

The SPC Performance A-Body Lower Control Arm is a high-quality suspension component designed to enhance the handling, stability, and overall performance of classic Buick muscle cars and muscle car restorations. Built specifically for vehicles from the 1960s through the early 1980s, this control arm is an essential upgrade for enthusiasts seeking improved ride quality and precise steering response. Whether you're restoring a vintage Buick or upgrading your muscle car for spirited driving, this control arm offers a perfect blend of durability and performance.

Constructed with premium materials and engineered for a direct bolt-on fit, the SPC A-Body Lower Control Arm helps support your vehicle's suspension geometry, ensuring consistent handling and tire wear. Its robust design makes it suitable for street use, weekend autocross, or even track days, providing the confidence and control you need behind the wheel. With this upgrade, you'll experience improved stability, reduced body roll, and enhanced steering feedback, making your classic Buick feel more responsive and planted on the road.

Key Features

SPC Performance's A-Body Lower Control Arm features innovative design and high-quality construction to deliver superior performance and longevity. Key features include:

• Manufactured from durable steel with a corrosion-resistant finish, ensuring long-lasting performance even in harsh conditions.
• Precision-engineered for a perfect fit on 1970–1981 Buick Skylark, 1965–1967 Buick Gran Sport, and 1973–1981 Buick Century & Regal models with A-Body chassis.
• Includes SPC's coilover mount and spacer plates, allowing you to raise your ride height approximately 1/2 inch when used with compatible coilovers, improving ground clearance and handling dynamics.
• Designed with steel bushings that provide a firm yet controlled suspension response, reducing unwanted movement and enhancing steering precision.
• Offers an upgrade over factory control arms by providing increased strength and improved alignment capabilities.
• Compatible with various suspension setups, making it suitable for both restoration projects and performance upgrades.
• Easy installation with no need for modifications or additional fabrication, thanks to its bolt-on design.

Construction & Design

The SPC Performance A-Body Lower Control Arm is crafted from high-strength steel, ensuring durability and resistance to bending or flexing under load. The control arm features a precision-formed design with TIG-welded joints for added strength and reliability. Its corrosion-resistant finish protects against rust and environmental damage, extending the lifespan of the component. The inclusion of SPC's coilover mount and spacer plates allows for adjustable ride height, giving you the flexibility to fine-tune your vehicle's stance and handling characteristics. The steel bushings are engineered to provide optimal damping and stability, reducing unwanted suspension movement and improving overall ride quality.

Installation & Fitment

The SPC Performance A-Body Lower Control Arm is designed for a straightforward bolt-on installation. It mounts directly to the factory chassis points without the need for cutting, drilling, or extensive modifications. Basic mechanical skills and standard hand tools are sufficient for installation, making it accessible for DIY enthusiasts and professional mechanics alike. No additional tuning or alignment adjustments are typically required beyond standard procedures, although a professional alignment is recommended after installation to maximize handling benefits.

• Direct bolt-on replacement for factory control arms on compatible Buick A-Body models.
• No cutting, drilling, or welding required for installation.
• Compatible with stock or aftermarket coilover suspension setups.

What's Included

• SPC Performance A-Body Lower Control Arm (94346)
• Coilover mount and spacer plates
• All necessary hardware and mounting components
• Installation instructions

Ideal For

• Classic Buick muscle car restorations
• Performance upgrades for street and autocross driving
• Enthusiasts seeking improved suspension durability and handling
• Restorers aiming to restore original ride height and geometry with added performance