This carburetor kit is designed to fit 1977-81 Rochester 2 barrel M2MC, E models in GM Chevy Buick Oldsmobile Pontiac Checker vehicles. The kit includes all necessary parts to rebuild and restore your carburetor to proper working order. With a focus on quality and reliability, this kit features parts from Standard Motor Products and is free of California Prop 65 listed chemicals. Upgrade your air and fuel delivery system with this durable and efficient carburetor kit.