The DAYCO 71.5" x 0.82" poly rib heavy duty serpentine belt is constructed for heavy duty applications, providing long-lasting performance under strain. Its poly rib design delivers superior traction, preventing slippage. This belt is designed to operate smoothly and quietly, effectively reducing engine noise. It efficiently transmits power to essential engine components, maximizing their performance while absorbing vibrations. This feature helps protect surrounding engine parts from wear, ensuring consistent functionality throughout its use.