Edelbrock throttle bore sizes ?

Edelbrock Performer Series

Edelbrock Performer #1403
* 500 CFM
* Primary ....... 1 7/16" ..... Venturi ... 1 3/16" ..... Primary Jet ....... .086" ..... Metering Rod ... .065"
* Secondary ... 1 11/16" ....Venturi ... 1 9/16" ..... Secondary Jet ... .095" ..... Metering Rod ... .052"

Edelbrock Performer #1400
* 600 CFM
* Primary ....... 1 7/16" ...... Venturi .... 1 3/16" .... Primary Jet ...... .098" ...... Metering Rod ... .073"
* Secondary ... 1 11/16" .... Venturi .... 1 9/16" .... Secondary Jet .. .095" ...... Metering Rod .... .047"

Edelbrock Performer #1411
* 750 CFM
* Primary ...... 1 11/16" ..... Venturi .... 1 7/16" ..... Primary Jet ...... .110" ..... Metering Rod .... .075"
* Secondary .. 1 11/16" ..... Venturi .... 1 9/16" ..... Secondary Jet .. .107" ..... Metering Rod .... .047"

Edelbrock Performer #1413
* 800 CFM
* Primary ....... 1 3/4" ...... Venturi .... 1 17/32" ..... Primary Jet ...... .113" ..... Metering Rod .... .071"
* Secondary ... 1 3/4" ...... Venturi .... 1 5/8" ......... Secondary Jet .. .108" ..... Metering Rod .... .047"
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Edelbrock Thunder Series

Edelbrock Thunder ~ #1801 & #1802
* 500 CFM
* Primary ....... 1 7/16" ..... Venturi ... 1 3/16" ...... Primary Jet ...... .086" ...... Metering Rod ... .067"
* Secondary .. 1 11/16"..... Venturi .. 1 9/16"........ Secondary Jet .. .095" ...... Metering Rod ... .052"

Edelbrock Thunder ~ #1803 & #1804
* 500 CFM
* Primary ...... 1 7/16" ...... Venturi ... 1 3/16" ...... Primary Jet ...... .086" ...... Metering Rod .... .065"
* Secondary .. 1 11/16" .... Venturi ... 1 9/16" ...... Secondary Jet .. .077" ...... Metering Rod .... .052"

Edelbrock Thunder #1806
* 650 CFM
* Primary ....... 1 7/16" ...... Venturi ... 1 3/16" ..... Primary Jet ...... .095" ..... Metering Rod .... .068"
* Secondary .... 1 3/4" ....... Venturi ... 1 5/8" ....... Secondary Jet .. .098" ..... Metering Rod .... .047"

Edelbrock Thunder #1813
* 800 CFM
* Primary ....... 1 3/4" ........ Venturi ... 1 17/32" ... Primary Jet ..... . 113" .... Metering Rod .... .068"
* Secondary ... 1 3/4" ........ Venturi ... 1 5/8" ....... Secondary Jet... .107" .... Metering Rod .... .047"

These are the specifications.