Overhead camshaft: A camshaft that actuates the valve from over the cylinder head rather than in the cylinder block. Related posts: Heat gasket Brake valve Bottom Dead centre (BDC) Camshaft Cylinder AT8091 Manufacturing of Automotive Components Syllabus Butterfly Valve Double Overhead Camshaft ( DOHC) AT8601 Automotive Engine Components Design Syllabus Cylinder block Honing Camshaft position sensor (CMP) Combustion chamber Cylinder head Exhaust manifold Master cylinder Oil galleries Multi-Point Fuel Injection (MPFI) Wheel cylinder or Slave cylinder Back pressure Read more articles Previous PostOtto cycle Next PostOversquare engine