... throttle body available for 1998-2002 LS1/LS6Camaro&firebird,2004GTO&1999-2002 full size 4.8,5. ... 80mm throttle body available for 1998-2002 LS1/LS6Camaro&firebird,2004GTO&1999-2002 full size 4.8,5.3 ... 85mm throttle body available for 1998-2002 LS1/LS6Camaro&firebird,2004GTO&1999-2002 full size 4.8,5.3 ... 80mm throttle body available for 1998-2002 LS1/LS6Camaro&firebird,2004GTO&1999-2002 full size 4.8,5.3 ...