- Leak-proof elastomeric "Formed-in-place" material is more reliable and longer lasting- Blowout resistant- Protects against leaks and seepage caused by vibration and thermal expansion- Resists high temperatures up to 650°F- Ideal for exhaust manifolds, headers, turbochargers, and slip-fit exhaust parts- Formulated to meet or exceed performance standards for long-term sealability, durability, and handling