AVAILABLE: FINNED TYPE OR NON-FINNED CASTED BODY TYPE. OUTSIDE NATURAL CAST FINISH / POWER PAINT COATED / BLACK PHOSPHATED FINISH MADE FROM GRADED CAST IRON, SHELL MOULDED GRAVITY CASTED, CNC MACHINING INSIDE BORE IS FINISHED ON HYDRAULIC VERTICAL HORNING – DOUBLE EXPANSION MACHINE TO ACHIVE RA VALUES.