Cometic MLS Header Gasket - BB Chevy 1.920 Round Port 358605 A combined effort by Callies

A combined effort by Callies CNC programming and engineering staffs has resulted in a component that is distinctive and highly functional

Visual Light Transmission = 90% compared to competitors 8 layer at 83

065" wall mild steel tubing

Ultra-Thin

Does not work with Air/Fuel Ratio & Auto Gage

Cometic MLS Header Gasket - BB Chevy 1.920 Round Port 358605 A combined effort by CalliesCOMETIC MLS (Multi Layer Steel) Exhaust Gaskets are designed for extreme cylinder pressures. MLS Exhaust Manifold Gaskets maintain a torque set and resist corrosion. They will not burn through or push out. MLS Exhaust Manifold Gaskets withstand different combinations of cylinder head and exhaust manifold materials. No sealants are required. This exhaust gasket features 1. 920" Round Port. Vehicle Applications: 1976 1976 GMC G35 1991 1995 Chevrolet