Why ProPartsPlace? Fastest Shipping! Reasonable Prices! Great Feedback! Excellent customer service! Made with kevlar blue is an extra heavy duty belt constructed or organic polyamide fibers. The polyamide fibers are created by a complex chemical process. This process allows the Kevlar belts to have a high resistance to repeated reverse flexing, oil, heat and cracking. Kelvar belts also offer high tensile strength, non-extensibility, and high resistance to shock loads. Replaces Bad Boy 041-5048-00 5/8" x 80" made with kevlar Â· Disclaimer: We list model numbers and part numbers for references only. At times the same model may take different parts based on serial number breaks or manufacturers specifications. We list all the specifications on the part (size, width, length, thickness, etc.) and YOU must know what is needed on YOUR application. We canÂt possibly make it more known as to what you are receiving when you purchase.