Heavy-Duty Sealing for Serious Builds

When you are working on a major engine build, you need a sealant that won't quit. The Permatex Ultra Grey Silicone 13oz Cartridge provides the same high-torque, oil-resistant performance as the standard tube but in a convenient, bulk size for high-volume shops and frequent engine builders. This RTV sealant is designed for high-vibration environments, ensuring that your gaskets stay sealed under the most demanding conditions.

Why Professionals Choose Ultra Grey

• High-Volume Cartridge: Perfect for multiple projects or large-scale engine assembly.
• Superior Adhesion: Bonds securely to metal surfaces to prevent oil and fluid seepage.
• Temperature Resistance: Stays flexible and effective across a wide temperature range.
• Sensor Safe: Formulated to be safe for modern engine management systems.

Permatex Ultra Grey is the preferred choice for sealing oil pans, valve covers, and intake manifolds where high bolt torque is required. Its unique formula resists the degrading effects of automotive fluids, ensuring a long-lasting, reliable seal that protects your investment. By reducing the risk of leaks, you keep your engine bay clean and your vehicle running at its best. Don't settle for inferior sealants that can fail under pressure; choose the industry-trusted solution for your next project. For all your engine assembly needs, trust the experts at GGCRACING.