The 1973–1987 Chevy C10, often referred to as the Squarebody C10, remains one of the most popular platforms for street trucks, Pro Touring builds, autocross projects, and modern restomods. Performance Online manufactures high-performance C10 suspension systems, disc brake conversion kits, steering upgrades, and chassis components designed specifically for 1973–1987 Chevrolet and GMC trucks.

Our components help improve handling, braking performance, ride quality, and overall drivability, transforming a classic Squarebody truck into a modern-performing street machine.

Popular 1973–1987 Chevy C10 Performance Upgrades

Performance Online offers a complete selection of C10 suspension and brake upgrades, including:

• Disc brake conversion kits
• Tubular control arm suspension systems
• Coilover suspension upgrades
• Lowering kits and drop spindles
• Rear suspension performance systems
• Power steering conversion kits
• C10 Pro Touring suspension packages

These upgrades provide improved cornering capability, increased stopping power, enhanced ride comfort, and greater overall control compared to factory suspension and brake components. Whether you're building a daily driver, show truck, or high-performance Pro Touring C10, Performance Online offers the parts needed to modernize your Squarebody truck.