Description
A reliable RTV sealant is critical for high-performance engine work—gasket leaks and fluid seepage can compromise reliability and performance. Loctite RTV 5920 Copper Silicone delivers superior sealing on critical engine surfaces, exhaust manifolds, and transmission housings where copper’s thermal conductivity matters. This professional-grade formulation withstands extreme temperatures and vibration, making it essential for both track builds and demanding street applications.
- Copper-infused silicone
- 80ml/2.7oz tube
- RTV (room-temperature vulcanizing)
- High-temperature rated
- Thermal conductive properties
- Engine block compatible
- Vibration resistant
- Professional-grade formulation
- Single tube unit
- Loctite OEM standard






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