Edelbrock Manifold and Carb Kit Dual Quad RPM Air Gap 390-428 FE FordThe Edelbrock #2036 RPM Dual Quad manifold and carb kit is designed for 390 428 Big Block Ford FE applications. A huge hit among street rodders, this Dual Quad Kits offer the ultimate set up for anyone who wants the look and the performance of dual quad carbs. The Edelbrock #2036 includes an Edelbrock RPM or RPM Air Gap Dual Quad intake manifold and two 500 cfm Thunder Series AVS carburetors calibrated specifically for dual quad applications (one