MRG4887G MR. GASKET COLLECTOR GASKETS - MLS Fits 3-1/2 Inch Diameter 3-Bolt Round Header Collectors

Collector and Header Muffler Gasket - 3 1/2 inch diameter - Embossed Stainless Steel - Multi-Layered Steel (MLS) exhaust and header collector gaskets are designed for extreme cylinder pressures produced by high horsepower-high compression turbocharged, supercharged, and nitrous oxide engines. Manufactured from three stainless steel layers, resists corrosion, will not burn through or push out and maintains 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 pressure. Features: Suitable for high horsepower-high compression turbocharged, supercharged & nitrous oxide engines Three stainless steel layers resist corrosion, will not burn through or push out & maintains 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 pressure Fits most popular headers with 3-1/2 inch collector & 3 hole flange Sold as a pair About Mr. Gasket