... manufacture timing pulleys as follows:H,XH,XXH;L,XL,MXL;T2.5,T5,T10;HTD/STD 3M,5M,8M,14M;AT5,AT10;3MR,5MR,S5M,S8M,etc. ... .3.Teeth profile: H, XH, XXH; L, XL, MXL; T2.5, T5, T10, T20; HTD and STD 3M, 5M, 8M,14M;AT5, AT10; 3MR, 5MR, S5M, ... S8M, etc. 4.Bore: Pilot bore, Taper bore and Customized bore.5 ... with competitive price in China. Timing Pulley T2.5