ROLLER ROCKER ARM

　　Tianxuan's swing-type  roller rocker arms are suitable for cylinder bore 140-320mm. With the whole ability from tooling design & manufacturing to forging and machining, all processes are under control and traceable. With the latest wear-resistant coating technology, the service life of roller shaft can be doubled. Tianxuan owns a sound roller rocker arm inspection means, by full-pass pressure test of oil circuit, simulating engine injection pressure to ensure lubrication conditions during engine operation..