Notes: Gaskets Header Multi-Layered Steel 1.5 in. Chevrolet 262-400 Small Block Round Ports Pair
Fits 1955-1991 Chevrolet 262-400 Gen I Small Block. Layered Steel, Round Ports, 1.50 Inch Mr. Gaskets Multi-Layered Steel Exhaust Manifold Gaskets offer modern gasket technology and sealing to your engine! Features: Multi-Layered Steel (MLS) exhaust and header collector gaskets are designed for extreme cylinder pressures produced by high horsepower high compression turbo-charged, supercharged and nitrous oxide injected engines. Manufactured from three stainless steel layers, they resist corrosion, will not burn through or push out and maintain maximum fastener torque retention. Stress formed inner and outer layer embossments act like springs that rebound under exhaust flange clamp load, creating force to seal extreme exhaust pressures. Total gasket thickness .075. Will not deteriorate from scrubbing action caused by different expansion rates in Aluminium and steel materials.