97 and newer LS1 throttle bodies

[Smallblock]

Do they all interchange? Will a 2003 throttle body work on a '97?

 

[c4c5specialist]

HI there,
Sure it will bolt on, as long as they are both from Corvette.
Also, the 01 and up were slightly larger, so I would also install the intake.
Allthebest, c4c5