M90 w/73 mm and
76 mm pulley Roush Serpentine Drive Replacement Belt 401967
Roush Performance serpentine drive belts feature high modulus glass
fiber non-stretch cords, which deliver precise length stability. They
run quieter and are more affordable than chain drives. They contain
self-lubricating fabric and have exceptional resistance to abrasion.
proper replacement part, please refer to the long number printed on the
outside of the belt. R07020015-13-AA