New coolant crossover seal set. These seals go under the coolant crossover tubes where it meets the cylinder head. Sold as a set of 4. This is for the 1st design crossovers as well as the 2nd design crossovers (see secondary photo). Fits the following:

97-13 LS1/LS6/LS2/LS3/LS7 Corvette
98-02 LS1 V8 Camaro
98-02 LS1 V8 Firebird

All LS engines 97-13