Fill in the Blanks Engine Cylinder BlocksOnline version This is about engine cylinder blocks and associated components. Fill in the blanks with the correct words. by Robert Chircop 1 sleeve block head rings cylinders lighter crankshaft flange carbon sleeve lower surface iron iron crankcase exposed crankshaft rods phosphorus outer block engine The Engine Cylinder Block and other components . The cylinder is the largest part of the . Its upper section carries the and pistons . Normally , the section forms the , and supports the . Cylinder blocks made of aluminium are than cast - blocks of the same size . They usually have cast - iron liners which provide a hard - wearing for pistons and piston . The major engine components include the cylinder , cylinder , pistons , connecting and . A dry can be cast or pressed into a new block or used to recondition cylinders . A flanged , dry sleeve has a to fit a recess in the block . A wet has an surface directly to coolant . Grey iron is a cast that contains in the form of graphite , plus silicon , manganese and .