Professional Grade High-Temperature Sealing

The Permatex Hi-Temp Red RTV Silicone is the industry standard for high-performance gasket sealing. Engineered for extreme temperature environments, this silicone sealant is designed to withstand operating temperatures up to 650°F (343°C) intermittently. Whether you are working on valve covers, oil pans, or intake manifold end seals, this formula provides a reliable, leak-proof barrier that resists oil, water, and antifreeze.

Key Features and Benefits

• High Heat Resistance: Withstands temperatures up to 650°F for demanding engine bays.
• Large Capacity: The 11oz cartridge is perfect for high-volume shop use or multiple engine builds.
• Superior Adhesion: Excellent gap-filling properties ensure a tight seal on uneven surfaces.
• Chemical Resistance: Formulated to resist common automotive fluids, including oil and coolant.

This RTV silicone remains flexible and will not harden, shrink, or crack, ensuring long-term durability under thermal cycling. It is an essential addition to any mechanic's toolbox, providing a professional-grade solution for critical sealing tasks. When you need a gasket maker that won't fail under pressure, trust the reliability of Permatex. Find this and other premium automotive maintenance supplies at GGCRACING.