Gudgeon pin / small end bush, interference fit for Norton singles 1932+. 1.145in (29mm) long, 1-1/32in (26.15mm) OD, bore 0.870in to allow for machining. Guide size for finished bore: 0.8752inch to 0.8747 inch NOTE: This bush (E4102) is the tight interference fit bush which will need to be pressed into the small end eye and then diamond bored to suit the pin. Both bushes are cnc machined in the uk and have two identical oil grooves exiting from each end on a 1" pitch transposed 180 degrees apart. The holes in the top should be carefully drilled after fitting. Original part numbers: 9175; A2/159; E4102 - small end bush
