Info:Martin 40XL037 Solid Type DF-1 Stock Timing Pulley, 0.313 to 1.188 in Minimum Plain/Reborable Bore, 2.526 in OD, 40 Grooves, 2.546 in Dia Pitch, 0.563 in W Face
Info:Timken® National® 410496 410000 Multi-Lip Plain Round Oil Seal With Loaded Spring, 2-1/2 in ID x 3.355 in OD x 0.468 in W, Nitrile Lip, 60 to 80 Durometer, Domestic