Rochester Accelerator Pump Check Ball

• Essential Component – Controls fuel flow during accelerator pump stroke for proper enrichment.
• Rochester Compatibility – Suits a wide range of Rochester carburettors including Quadrajet, Dualjet, and Varajet models.
• Precision Fit – Manufactured to exact dimensions for reliable seating and consistent operation.

This accelerator pump check ball is a key component in the fuel enrichment circuit of Rochester carburettors. It helps regulate fuel flow during throttle actuation by sealing the pump chamber during the downstroke and allowing fuel to pass during return.

Suitable for use in Rochester Quadrajet, Dualjet, Varajet, and other common models, it restores correct accelerator pump operation and prevents hesitation or bogging under load.