4228331 - Q-JET CARBURETOR, 650 CFM ELECTRIC CHOKE, "C" STYLE THROTTLE LINKAGE, 283-350 CI Engines

Designed with precision engineering and cutting-edge features such as our lean/rich adjustment, our carburetor is poised to transform your vehicle’s performance to new heights. 

Crafted with top-grade materials and engineered to perfection, our carburetors are built to withstand the harshest driving conditions. Our Quadrajet® carburetors are all new, with parts that you can trust to keep your engine running smoothly, mile after mile.  It’s also assembled and run tested right here in the USA!

Our new Rochester Quadrajet® carburetors are manufactured with all new components.  They are a significant upgrade to stock carburetors for most GM Automotive applications.  Every carburetor is equipped with our industry first lean/rich adjustment allowing 15% +/- main circuit adjustment to allow for precise tuning with ease.  PRW carburetors are compatible with “C” and “U” style throttle linkages suitable for stock intake manifolds.  

Available in 650 CFM for GM Cars and Trucks with engine sizes ranging from 283-350 cubic inches and 695 CFM for GM vehicles with engine sizes ranging from 350-455 cubic inches.  Both carburetors works well with a mild cam or headers for optimum street performance. 

• All - New, not rebuilt or remanufactured
• 650 & 695 CFM
• Industry first Lean/Rich adjustment allowing up to 15% +/- main circuit adjustment
• Universal replacement for most GM 
• automotive applications
• Includes most required vacuum ports
• Complete with a one wire electric choke
• Locally assembled and run-tested, with all gaskets, metering rods, jets and air bleeds made in the USA.

Click Here to Download Install Guide