Throttle Body – COPO 350/350, 396/390 and 427/430

• Mechanical throttle body used on COPO racing engines, COPO engraved on top of housing

Chevrolet Performance's throttle body assemblies are developed for maximum air flow and performance output for your high-performance vehicle. These are the same throttle body units as used on Chevrolet Performance's crate engines. Constructed of cast aluminum for durable, reliable performance and heat deflection. These throttle body assemblies will provide the right amount of air flow ratio to help keep your engine running smooth throughout the entire RPM range.