Holley Cover-Diaphragm Housing - 2 x 4 Application

Carburetor Accelerator Pump Diaphragm

Allows vacuum hookup between carburetors for more even and balanced secondary operation.

Product Description:

Diaphragm Cover

Secondary

Aluminum

Chromate

Holley 4160 Carburetors

Pair

For over a century Holley has driven the cutting edge of fuel-system design. That work continues today through Holley’s market-leading EFI products as well as through Holley’s family of best-in-industry brands. Top brands like MSD, Flowmaster, Hurst, Accel, and many more make up the industry’s leading offering of enthusiast-driven products to deliver robust, complete performance solutions for builders, racers, and drivers. From propelling the LS-, Coyote-, and Gen 3 Hemi-swap trends, to continuously innovating late-model and vintage vehicle performance, Holley’s commitment to its customers and their cars is at the core of everything we do.