These now come with the throttle body flange machined on.
This flange is used to adapt the factory 3rd Gen Dodge Viper V10 or Ram SRT10 intake manifold to a 102mm LS style throttle body.
Can be used to convert 3rd gen to drive by wire (DBW) or for upgrading to a large drive by cable throttle body.
Throat opening is 102mm.
Uses stock gasket for intake manifold and o-ring included for the throttle body side,