Cometic MLS Header Gasket - SB Chevy 262-400 - 1.450" x 1.480" Port 23003W Each header is manufactured with

Each header is manufactured with 1-7/8" CNC mandrel bent tubing that offers unrestricted exhaust flow for increased horsepower and torque over factory OEM manifolds

Steel adapter with 5/8"-18UNF thread and flange for direct seal with AutoMeter mechanical oil and transmission temperature gauge probe sealing nuts

Mechanical Advance

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Cometic MLS Header Gasket - SB Chevy 262-400 - 1.450" x 1.480" Port 23003W Each header is manufactured withCOMETIC 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. 450" x 1. 480" Port. Vehicle Applications: 1980 1985 GMC C2500 Suburban 1980