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Cometic ArmorCore exhaust header gasket for Holden 253/304/308 V8 (0.042in) is designed for tough exhaust conditions. ArmorCore resists burn‑through and push‑out, handles extreme cylinder pressures and tolerates temperatures up to 2000°F. Its compressible construction seals imperfect mating surfaces, maintains torque retention across mixed head and manifold materials, and offers corrosion resistance without asbestos content for durable header sealing.
Cometic Holden 253/304/308 V8 .042in ArmorCore Exhaust Header Manifold Gasket
