Remflex Header Gasket Set SB Chevy w/18-Degree Heads RS003C0811 Our tooling marks will prove

Our tooling marks will prove to you that they are turned on a lathe

The 511 seals have a

300 Degrees Fahrenheit

High Ratio Pivot Mechanism

Remflex Header Gasket Set SB Chevy w/18-Degree Heads RS003C0811 Our tooling marks will proveProduct Description: Exhaust Header Manifold Gasket 1. 625 x 1. 750 in Rectangular Port Steel Core Laminate 18 Degree Heads Small Block Chevy Pair Remflex gaskets are made from a unique graphite material that creates a tight seal ever time. These gaskets are available for many OE and custom applications. Remflex's unique flexible graphite material has been proven for more than 30 years in industrial applications, where temperatures routinely exceed