![Holley 4160, None of the vacuum secondary springs cure WOT bog - Third Generation F-Body Message Boards Holley 4160, None of the vacuum secondary springs cure WOT bog - Third Generation F-Body Message Boards](https://www.thirdgen.org/forums/attachments/carburetors/248642d1351307827-holley-4160-none-vacuum-photo.jpg)
Holley 4160, None of the vacuum secondary springs cure WOT bog - Third Generation F-Body Message Boards
![1930-2007 All Makes All Models Parts | H80783 | Holley; 4150 Series; 650 CFM Street Carburetor; With Vacuum Secondary And Electric Choke | Classic Industries 1930-2007 All Makes All Models Parts | H80783 | Holley; 4150 Series; 650 CFM Street Carburetor; With Vacuum Secondary And Electric Choke | Classic Industries](https://cdn.classicindustries.com/assets/images/ProductImg/H/H80783_main-01.jpg)
1930-2007 All Makes All Models Parts | H80783 | Holley; 4150 Series; 650 CFM Street Carburetor; With Vacuum Secondary And Electric Choke | Classic Industries
![Amazon.com: Holley 0-3310S Model 4160 Street Performance 750 CFM Square Bore 4-Barrel Vacuum Secondary Manual Choke New Carburetor : Automotive Amazon.com: Holley 0-3310S Model 4160 Street Performance 750 CFM Square Bore 4-Barrel Vacuum Secondary Manual Choke New Carburetor : Automotive](https://m.media-amazon.com/images/I/91lG1jSHirL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Holley 0-3310S Model 4160 Street Performance 750 CFM Square Bore 4-Barrel Vacuum Secondary Manual Choke New Carburetor : Automotive
![Carburetor, Holley 870 CFM Street Avenger Aluminum, Vacuum Secondaries | American Performance Products, Co. Carburetor, Holley 870 CFM Street Avenger Aluminum, Vacuum Secondaries | American Performance Products, Co.](https://www.amclives.com/cdn/shop/products/alumsa_intro_7b174598-a805-458e-9148-81417a628fe9.jpg?v=1613043516)