By Allowing Us to Provide You Pulleys, We Can Insure The Best Compatibility For Your Complete Transmission System. Whether Your Need Is Prototype Or Production, We Can Help Select And Produce The Right Pulley In The Right Material To MatchYour Timing Belt Need. For Purchasing Option 1 : Please confirm Specification(including width) of your timing belt; material of your timing pulley, no. of teeth & the pulley type. Option 2: Please provide your pulley drawing, we can made to order.