Aluminum Carb Adapter Holley to Quadrajet Q-Jet and Spreadbore [2692] if you want more airflow

if you want more airflow then you should grab up one of these Speedmaster X-Stream air flow top plates

Get high-flow for your car with Speedmaster water pumps

Speedmaster ring and pinion preload spacer

nitrided and black oxide coated for corrosion and wear resistance

chrome plated for a shiny finish

Aluminum Carb Adapter Holley to Quadrajet Q-Jet and Spreadbore [2692] if you want more airflowSpeedmaster carburetor adapters are designed to allow you to mount most any carburetor on most any manifold, to save you the expense of buying a different manifold or carburetor. Made from high quality cast aluminum, these adapters provide a smooth transition from carb to intake for trouble free operation.