Valve guide x 1 , suit Norton OHV (Model 18, 19, ES2 engine), std 3/8 +0.005 inch bore, Colisbro. Type G269C5. Length: 2.10 "; Diameter: 5/8" (.6265); Inside diameter: 3/8"; Material: colsibro; Flange diameter: 3/4" Please ensure this fits your valve spring seat. If you have the later smaller valve spring seat it is possible to still use these guides but you would have to turn the flange area down before fitting. Original part numbers: 9119; A3/140 - valve guide (inlet or exhaust)
