Notes: Ultra Seal; round port; 1.50" port diameter;

Notes: Medium square race port; port dimensions W-1.45" x H-1.55";

Notes: Ultra Seal; round port; 1.63" port diameter;

Notes: Ultra Seal; splayed valve; adapter plate side; 1.74" port diameter;

Notes: Ultra seal; port dimensions W-1.30" x H-1.36"; use w/o-ring headers;

Notes: Ultra seal; hooker combination; reversion plate or stock port; port dimensions W-1.61" x H-1.85";

Notes: Ultra seal. Vortec L31 head. 1.5" port diameter.

Notes: Ultra seal; medium square race port; port dimensions W-1.45" x H-1.55";

Notes: Copper Seal; 1.63 port diameter;

Notes: Port dimensions W-1.3" x H-1.8";