... machining, Strict inspection.2. non-standard, OEM. We supply timing pulley following series:H,XH,XXH;L,XL,MXL;T2,5 ... meet different processing requirements. So, please send us your inquires with detailed drawings, specifications, quality required, and actural samples if available ... or needs, please feel free to contact us.Good quality with reasonable price, timely delivery and great customer service.