Seals-It Firewall Grommet 2-Hole 5.250 x 1.50 O.D. Blank 2010204 Fits all GM LS Gen

Fits all GM LS Gen III or IV engines equipped with LS3/L92 style rectangular port cylinder heads

durability

Universal Fitment 6 Pinion Shim for 2

10 AN Male to 3/8 in NPT Male Swivel

Intake Elbow

Seals-It Firewall Grommet 2-Hole 5.250 x 1.50 O.D. Blank 2010204 Fits all GM LS GenProduct Description: Firewall Grommet Blank 5. 250 x 3 in 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.