Remflex Exhaust Gaskets BBC 1-7/8 round port Chevrolet, V8, Big Block Round Port for Header Applications, 396, 402, 427, 454, 2/SetNew6.94E+11Item #: REM 2002Remflex Exhaust Gaskets
Remflex Exhaust Gaskets BBC 2 5/32" Large race port Chevrolet, Big Block, 396, 402, 427, 454 ('65 - '90), Large Round Race Port, 2/SetNew6.94E+11Item #: REM 2013Remflex Exhaust Gaskets
Remflex Exhaust Gaskets BBC Large round race port 2.4" diameter Chevrolet, Big Block, 396, 402, 427, 454, Large Round Race Port, 2/SetNew6.94E+11Item #: REM 2047Remflex Exhaust Gaskets