HRP Silicone Hose is manufactured from the highest grade materials, to ensure that the strictest OEM and performance specifications are surpassed. All Hoses feature solid 5mm walls constructed from 4-ply reinforced silicone polyester, offering burst pressures of up to 348psi. All hoses are UV, ozone and electrochemically resistant to avoid fading and separation.Features:Temperature Rating : –40 to +180°CHRP Silicone Hose is not fuel safeSolid 5mm walls constructed from 4-ply reinforced silicone polyester.All Hatrick Racing Product silicone hoses feature solid 5mm walls constructed from 4-ply reinforced silicone polyester. Part Number ID/inch ID/mm Length/mm Layer Thickness Temprature Min. Burst Pres HRP-SHSS-200BK 2" 51mm 75mm 4 5mm -40 to 180 Deg C 218psi HRP-SHSS-250BK 2.5" 63mm 75mm 4 5mm -40 to 180 Deg C 174psi