HDQ CARB COMPONENTS

The Edelbrock #12404 Vacuum Secondary Diaphragm is a replacement service part for popular high performance Quick Fuel, Holley and Demon carburetors.

Additional Information

VACUUM SECONDARY DIAPHRAGM RUBBER 2.054in. ROD LENGTH

Part Type

Carburetor Secondary Throttle Diaphragm

These additional application notes are supplied by the manufacturer and collated from multiple year ranges. Not all of these notes may apply to every year or every variant. Please contact a StreetFX agent for clarification if required.

• 2.054 in. Rod Length

Note for Pistons, Rings, Rotors, Rods and engine internals

Unless otherwise specified, some brands supply brake rotors, pistons, strut mounts, rods and rings separately. In some cases, titles may indicate plural, or 'set' - eg the term “ring set” often refers to the rings for a single piston only. If you’re unsure about what’s included with this product, please contact our team for clarification.

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Product Details

Reference Information

Vacuum Secondary Diaphragm, for Holley Carburetors, Each

Edelbrock vacuum secondary diaphragms ffers are what you need to service your high performance non-Edelbrock carburetors. Their rubber diaphragms provide you with quality to help maintain your carburetor.