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.

Product Features:

• Fits 2014 & up GM Gen V LT1/LT4 Engines
• Multi Layer Stainless Steel
• Oval Port 1.83" x 2.24"
• Will not deteriorate from scrubbing action caused by different expansion rates in aluminum and steel materials.
• Thickness .072"
• 3-Layer Gasket Conforms to Header Flanges Better Than OEM 2-Layer Design