Page 129 of Avenger Systems & Carburetion by Holley Performance Products, Inc.

secondary nozzle size or spring color primary bowl gasket primary metering block gasket secondary bowl gasket secondary metering block gasket secondary metering plate gasket primary fuel bowl secondary fuel bowl throttle body shaft assembly venturi diameter primary venturi diameter secondary throttle bore diameter primary throttle bore diameter secondary yellow plain 0.026 0.026 0.026 0.026 0.026 0.026 0.026 0.026 purple purple purple purple plain plain plain plain purple purple purple black purple n/r 0.032 0.028 0.031 0.031 0.031 0.031 n/r black black black black 4 4 4 4 4 4 4 4 4 4 3 3 3 3 4 4 4 4 3 3 3 3 3 108-83-2 108-83-2 108-83-2 108-83-2 108-83-2 108-83-2 108-83-2 108-83-2 108-83-2 108-83-2 108-83-2 108-83-2 4 4 4 4 4 4 4 4 4 4 3 3 3 3 4 4 4 4 3 3 3 3 3 108-89-2 108-89-2 108-89-2 108-89-2 108-89-2 108-89-2 108-89-2 108-89-2 108-91-2 108-89-2 108-89-2 108-89-2 4 4 4 4 4 4 4 4 4 4 3 3 3 3 4 4 4 4 3 3 3 3 3 n/r 108-83-2 108-83-2 108-83-2 108-83-2 108-83-2 108-83-2 n/r 108-90-2 108-83-2 108-83-2 108-83-2 4 4 4 4 4 4 4 4 4 4 3 3 3 3 4 4 4 4 3 3 3 3 3 n/r 108-89-2 108-89-2 108-89-2 108-89-2 108-89-2 108-89-2 n/r 108-90-2 108-89-2 108-89-2 108-89-2 4 4 4 4 4 4 4 4 4 4 3 3 3 3 4 4 4 4 3 3 3 3 3 n/r n/r n/r n/r n/r n/r n/r n/r 108-27-2 n/r n/r n/r n/r n/r n/r n/r n/r n/r n/r n/r n/r n/r n/r n/r n/r n/r n/r n/r n/r n/r n/r n/r n/r n/r n/r 134-103 134-103 134-103 134-103 134-103 134-103 134-103 134-103 34r8242aq n/s n/r n/r n/r n/r n/r n/r n/r n/r n/r n/r n/r n/r n/r n/r n/r n/r n/r n/r n/r n/r n/r n/r n/r n/r 134-104 134-104 134-104 134-104 134-104 134-104 n/r 134-105 n/s n/r n/r n/r n/r n/r n/r n/r n/r n/r n/r n/r n/r n/r n/r n/r n/r n/r n/r n/r n/r n/r n/r n/r 112-2 12r11086a 112-17 12r11092a n/s 12r11090a n/s 12r11070a n/s 12r11476a n/s 12r11517a 1-5/32 1-5/32 1-5/32 1-5/32 1-5/32 1-5/32 1-5/32 1-5/32 1-5/32 1-5/32 1-1/4 1-1/4 1-1/4 1-1/4 1-5/32 1-5/32 1-5/32 1-5/32 1-1/4 1-1/4 1-1/4 1-1/2 1-1/2 1-3/8 1-1/4 1-1/4 1-5/16 1-3/8 1-3/8 1-9/16 1-3/16 1-1/4 1-3/32 1-1/4 1-3/8 1-23/32 1-23/32 1-3/8 1-3/8 1-3/8 1-3/8 1-23/32 1-23/32 1-23/32 1-23/32 1-1/4 1-1/4 1-1/4 1-1/4 1-3/8 1-3/8 1-3/8 1-3/8 1-1/4 1-1/4 1-1/4 1-1/2 1-1/2 n/r 1-5/16 1-5/16 1-3/8 1-3/8 1-7/16 1-9/16 n/r 1-5/16 1-3/32 1-5/16 1-7/16 1-3/8 1-3/8 1-3/8 1-3/8 1-3/8 1-3/8 1-3/8 1-3/8 1-3/8 1-3/8 1-11/16 1-11/16 1-11/16 1-11/16 1-3/8 1-3/8 1-3/8 1-3/8 1-11/16 1-11/16 1-11/16 1-11/16 1-11/16 1-11/16 1-9/16 1-11/16 1-11/16 1-11/16 1-11/16 1-3/4 1-1/2 1-9/16 1-1/2 1-9/16 1-11/16 2 2 2 2 2 2 2 2 2 2 1-11/16 1-11/16 1-11/16 1-11/16 2 2 2 2 1-11/16 1-11/16 1-11/16 1-11/16 1-11/16 n/r 1-9/16 1-11/16 1-11/16 1-11/16 1-11/16 1-3/4 n/r 1-9/16 1-1/2 1-9/16 1-11/16 carburetor numerical listing 34r12311apd 34r12312apd 34r12311apd 34r12312apd 17 6-510 secondary 21 125-65 primary 22 125-35 secondary 24 25r-475a-13 early versions must use 108-29 to seal pump passage 29 122-75 diaphragm side 122-80 throttle lever side 30 125-25 secondary n/a not available n/s not serviced n/r not required note gasket part numbers now have a 2 suffix to denote 2 gaskets per package for example 108-38-2 tech line 270-781-9741 135

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