a serpentine belt

The B series timing belt is typically made from high-quality rubber or synthetic materials and features reinforced fibers, often made of fiberglass or Kevlar, which enhance its strength and durability. These belts often come with specially designed teeth that mesh with the sprockets of the engine, allowing for efficient power transmission. B series timing belts are widely used in a range of automotive engines, particularly in those that require precise timing for optimal performance.


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