Zero block tooling technology results in clear and open hose junctions, free from dangerous and restrictive flashing. Three layers of reinforcement fabric offers high burst pressure and provide better debris/crash resistance. Manufactured by Samco® Sport UK - the world leader in silicone hoses, with over 20 years experience. Smooth flow and improved insulation promotes radiator efficiency and improves engine cooling. Hand wrapped and 100% visually inspected in the UK. European grade hi-temperature silicone guaranteed to 356°F. Used by leading MX/Enduro and Off-road racing teams. UV-stable colors don't fade with heat or sun.