Constant Tension clamps from Turbosmart are designed to compensate for hoses thermal cycling and deformation, such as silicon hose and rubber. As components like couplers, pipes and hoses heat cycle within an engine bay, they expand and contract in size. Our Constant Tension clamps, outer Spring Action Band works to maintain consistent force & load for maximum reliability, including against deformation and Compression Set.Constant Tension Clamps Suits the Turbosmart Silicon Hose range.Reduced Stress & Distress to the hose, increasing service lifeDual Spring Action through convoluted Spring Action BandDual Bead Inner shell for concentrated sealing forceFlanged Edges for protection of soft hose compounds