Holley Center Hung Carburetor Fuel Bowl - Zinc - Gold Chromate - Secondary - Holley 4150 Carburetors 134-104 Camshaft Bearing The 4778 features a 1

The 4778 features a 1

Wrap Around or Bolt-in Mounting

Rib Protector

402 in Long

Holley Center Hung Carburetor Fuel Bowl - Zinc - Gold Chromate - Secondary - Holley 4150 Carburetors 134-104 Camshaft Bearing The 4778 features a 1Replacement secondary fuel bowl. Center hung float style with provision for accelerator pump and fuel inlet. Used on double pump carburetors. Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors powered every NASCAR Cup team and nearly every NHRA Pro Stock champion for four decades. Now, Holley EFI products power these cars and are dominating the performance world. Holley products for GM's popular LS engine are