Cummins Cylinder Heads - ISB 5.9 Head Section Loading... 1 Cummins ISB 5.9 Cylinder Head New - without valves. Price: $ 1,746.36 Qty: ^ Details In Stock Add to Cart 2 Cummins ISB 5.9 Cylinder Head New with valves. Price: $ 2,524.29 Qty: ^ Details In Stock Add to Cart 3 Cummins Exhaust Valve Kit Includes stem seal Price: $ 28.50 Qty: ^ Details In Stock Add to Cart 4 Cummins Upper Gasket Set Non EGR engines Price: $ 235.31 Qty: ^ Details In Stock Add to Cart 5 Cummins Upper Gasket Set High pressure, common rail (EGR engines) Price: $ 378.40 Qty: ^ Details In Stock Add to Cart Go Back