We stock 90° and 45° Silicone Elbows. They can be used as a coolant hose, and also as a charge air connector. For heavy duty pressure connections in hostile engine environments. Resists hardening, cracking, cold leaks, aging, and many chemicals. Ideal for extreme temperature and various pressure ranges where high performance levels are required. For connection between the turbocharger and the engine. Resists chemicals, steam, ozone, coolants, and aging conditions normally found in the engine environments.