SPC Performance Adjustable Upper Control Arms, C4 Corvette, Pair

These SPC Performance adjustable upper control arms are designed for Mopar A Body 1967–76, B Body 1966–74, and E Body 1970–74 applications and provide increased camber and caster adjustment compared to factory upper control arms. The adjustable design allows precise alignment tuning, making them ideal for performance street builds, suspension upgrades, and vehicles where factory alignment range is limited.

By expanding alignment capability, these control arms help optimize tire contact, enhance cornering stability, and improve steering feel and return to center. They are especially beneficial for Mopar vehicles running wider tires, modern wheel and tire combinations, or modified ride heights while maintaining proper suspension geometry.

Engineered for direct bolt on installation, these upper control arms are designed to work with factory style suspension layouts without permanent modification. Manufactured from high strength materials and built for durability, they provide a reliable solution for improving suspension geometry while preserving drivability on classic Mopar platforms.