4 Ply Silicone hose is designed to handle extreme boost pressures without expanding or bursting. Silicone has a better working temperature than rubber and will not dry rot or harden over time. 

Specification:

• Thickness of wall: 4.5±0.5 mm, 4 ply reinforced
• Bursting Pressure: 2Mpa (290psi)
• Working Pressure: 0.3Mpa (43.5 PSI) to 0.9Mpa (130.5 PSI)
• Working Temperature: -76°F (-60°C ) to +500°F (+260°C)

Available sizes (Internal Diameter)
1.5" / 2" / 2.25" / 2.5" / 2.75" / 3" / 3.5" / 4"