Seals-It Firewall Grommet -4an Radiator Hose Adapter Use headers and 9:1+ compression

Use headers and 9:1+ compression

3/4 in 30 Spline

1984-1986 Mercury Marquis

Anodized Aluminum Fill Plate with (1) 2-1/4 x 45 Filler Neck with FIA Non-Return Fill Valve

Seals-It Firewall Grommet -4an Radiator Hose Adapter Use headers and 9:1+ compressionProduct Description: Firewall Grommet 1 Hole 3 in OD 0. 250 in ID Aluminum Rubber Black Sold Individually From asphalt and dirt track racers Seals It rod end seals get the job done. In business for over 25 years, Seals It manufactures seals, grommets, and other automotive products for many industries including NASCAR, motorsports, and 4x4 off road vehicles, as well as agricultural, aerospace, transportation, and other applications.