Up for sale is a pair of Indmar exhaust riser gaskets for big block Chevrolet exhaust. These gaskets are designed to withstand the high temperatures of marine exhaust applications. These gaskets are sold 2 each!

Dimensions:

Length: 7-1/8"
Width: 3-15/16"
Bolt Hole Center to Center Length: 5-7/8"
Bolt Hole Center to Center Width: 2-1/2"
Exhaust Port Length: 4-15/16"
Exhaust Port Width: 1-1/2"

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