T-top Seal MAIN Kit: 76-78 HURST - 2nd Design
1976 1977 1978 GM Camaro Firebird "F" Body w/ Hurst Hatch (Second Design)... at last.. not cheap .. but beats cutting the roof off or sealing it in etc.....
This is the pair of seals for the main body.
The T-Top to upper outer door glass seals are available separately.
The Link below may help with identification and education on the "simple" way these were designed and fitted.
There are some good illustrations by these folk linked here

Couldn't load pickup availability
1976 1977 1978 GM Camaro Firebird "F" Body w/ Hurst Hatch (Second Design)... at last.. not cheap .. but beats cutting the roof off or sealing it in etc.....
This is the pair of seals for the main body.
The T-Top to upper outer door glass seals are available separately.
The Link below may help with identification and education on the "simple" way these were designed and fitted.
There are some good illustrations by these folk linked here