NHRA Accepted Products Table of Contents - NHRA.com

NHRA Accepted ProductsXIII.NHRA Accepted Stock, Super Stock, SuperStock/GT, and GT/Truck Replacement CarburetorsPart Primary Primary Secondary SecondaryManufacturer Number Throttle Bore Venturi Throttle Bore Venturi ReplacesCarter AFB on 1962 through 1972 383 and 426Edelbrock 1404 1.437" 1.192" * 1.688" 1.568" * Max Wedge engines; i.e. Carter numbers 3447,4139, 4140, 4430, 4431, 4619, 4620, 4742, 4745,Edelbrock 1405 1.437" 1.192" * 1.688" 1.568" * 4791, 4968, 9502, 9503, 9626, and 9636.Edelbrock 1407 1.686" 1.452" * 1.686" 1.577" * 1964 Max Wedge, Carter AFB3705-9755Edelbrock 1901 1.375" 1.108" * 2.250" AV Rochester small venturi QuadrajetEdelbrock 1903 1.375" 1.233" * 2.250" AV Rochester large venturi QuadrajetQuick Fuel SSR-780-VS 1.686" 1.380" * 1.686" 1.442" *Quick Fuel SSR-850 1.750" 1.567" * 1.750" 1.567" *Quick Fuel SSR-570 1.562" 1.255" 1.562" 1.318" Holley 4584Quick Fuel SSR-585-VS 1.562" 1.255" 1.562" 1.318" Holley 3367All vacuum secondary Holley 3310 (4150); i.e. 1968Chevrolet 375 HP/396 CID, 1967 Ford 320 HP/390CID; secondary idle screws must be removed andholes plugged.Holley 4054, 4296, 1968/69 Chevrolet 430 HP/427CIDQuick Fuel SSR-715-VS 1.686" 1.318" 1.686" 1.380" Holley 2926 & 2927Applicable Notes1. * = All venturi dimensions include the .015" maximum allowance/tolerance for Rochester Qudrajets/Edelbrock replacements and .005"for all other carburetors.2. For all carburetors used in these classes modifications are limited to disabling the choke operating mechanism; replacing boosters, jets,needles and seats, accelerator pumps (with same volume only), and squirters; replacing or modifying float assemblies and metering rods;resizing existing fuel and air bleed passages; and drilling idle holes in the primary throttle plates. The original bodies, base plates, floatbowls, and metering blocks are required.Page 126 1/14/2014