Wedge Rib Strap Clamping Rollers are essential timing components designed to maintain proper belt tension and routing in engine accessory systems.Constructed from metal, these rollers feature a robust design for durability and long service life.They support consistent engine performance by belt slip and of systems such as the air conditioning compressor.These rollers are engineered for precise fitment on various vehicle models, including E36, E46, E39, E38, and E53.They are compatible with multiple V-ribbed belts, including 6PK1538 and 5PK865, allowing flexibility across different engine configurations.The set includes belt tensioner pulleys and guide rollers in sizes such as 70mm and 80mm, providing accurate alignment and smooth belt guidance.Installation is straightforward, with all necessary parts included for a complete setup.The rollers are lightweight, with the 6PK1538 variant weighing 0.159 kg and the 5PK865 variant weighing 0.081 kg, minimal impact on overall engine weight.Designed for performance and , these clamping rollers contribute to stable engine function under diverse operating conditions.