650 CFM Q-Jet Carburetor, Electric Choke, Mercury Linkage 

4228371 - Q-JET CARBURETOR, 650 CFM, ELECTRIC CHOKE, COMES WITH MERCRUISER MARINE LINKAGE, (MEETS U.S. COAST GUARD REQUIREMENTS)

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. In addition to our new Rochester Quadrajet® carburetors, we also offer  two new marine carburetors. These carburetors are also manufactured with all new components.  They are a great upgrade from stock GM marine carburetors and are also equipped with our industry first lean/rich adjustment allowing 15% +/- main circuit adjustment to allow for precise tuning with ease.  Our carburetors are compatible with Mercruiser Marine throttle linkages.  Available in 650 CFM and 695 CFM and meets U.S. coast guard requirements. 

• 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 marine 
• applications
• Includes most required vacuum ports
• Complete with a one wire electric choke
• Meets US Coast Guard requirements
• Locally assembled and run-tested, with all 
• gaskets, metering rods, jets and air bleeds made in the USA.