Cylinder Head and Block This is cylinder head and block for Cummins 4BT, 6BT, 6CT and 6L engine. Cummins Engine PartsRemarks: DESCRIPTION PART ... liner, crankshaft, camshaft, cylinder head, cylinder block, connecting rod, main bearing, crankshaft bearing, connecting rod bearing, vribbed belt, belt tensioner, water ... 6CT CYLINDER BLOCKCUMMINS 6L CYLINDER HEAD Cummins Cylinder Block and Cylinder Head