Cometic Exhaust Header / Manifold Gasket - 2.086 x 1.764 in Oval Port - GM GenV LT-Series (Pair) C402511 For use when improved airflow

For use when improved airflow is needed on today's high performance vehicles

Racepak's 8-magnet collars are perfect for automatic-equipped vehicles

Powerglide/TH350 Driven Gear Housing

Plug and play compatible with more Holley EFI accessories such as

Trans-Dapt Performance GM Truck 9

Cometic Exhaust Header / Manifold Gasket - 2.086 x 1.764 in Oval Port - GM GenV LT-Series (Pair) C402511 For use when improved airflowThe Cometic MLS gasket is comprised of three to five layers of stainless steel. Cometic uses stainless steel for increased strength, its ability to rebound and resist corrosion. The outer layers of the gasket are embossed and coated on both sides with a Viton rubber material designed to meet the demands of a variety of harsh sealing environments, load conditions and surface finishes. The Viton coating is heat resistant to 250 degreesC or 482 degreesF.