Notes: Collector Gaskets Exhaust Header Multi-Layered Steel 3 Holes 2.50 in. Diameter 0.78 in. Thick Pair
Hole Diameter: 2-1/2 inch, Bolt Spacing: 3.78 inch, Bolt Hole: 3/8 inch 2-bolt hole. Multi-Layered Steel (MLS) header collector gaskets are designed for extreme cylinder pressure produced by high horsepower-high compression turbocharged, supercharged & nitrous oxide engines. Manufactured from three stainless steel layers, resists 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. Applications: Dynomax, Flowtech, Hedman, Hooker Headers, etc.. Features: MLS Stainless Steel Design 2-Bolt Design w/ 3.78 Bolt Spacing 2-1/2 Diameter Center Hole 2 Pieces Per Package Fits Hooker Cast Exhaust Manifolds w/ 2.5 Outlet - part number 8502HKR
