Seals-It Firewall Grommet 4.00" O.D. Blank Disc Brake Rotor Dust Cap (Mark IIIc) 5

(Mark IIIc) 5

1970-1972 GMC C15/C1500 Suburban CID 402 GAS

Lincoln and Mercury C4 and C6 automatic transmissions with a reverse valve body

Straight through nonrestrictive system design maximizes airflow improving performance and fuel economy

Lowers your 1967-1972 GM A-body 2-inch

Seals-It Firewall Grommet 4.00" O.D. Blank Disc Brake Rotor Dust Cap (Mark IIIc) 5Product Description: Firewall Grommet 1 Hole 4 in OD 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.