KPMI Camshaft Bushings are manufactured to exact OEM dimensions. These Camshaft Bushings are made from high quality U.S. mill certified bearing bronze. This bearing material has excellent antifriction qualities, good hardness, and offers resistance to corrosion, wear, and deformation. It offers excellent machinability so that the optimum surface finish can be achieved. Inner and outer bushings sold separately. Triumph 500 & 650's 1951-1962 Triumph 650 / 750 1963-1983