Relier Pairs Parts of an EngineVersion en ligne To complete this worksheet, match the engine parts with what they do. par Alison Jack 1 Pistons reciprocate in these 2 The intake manifold is bolted to this. 3 The carburetor sits on top of this. 4 Lets gas vapor in and exhaust out 5 Rotary power output 6 Connects pistons with crank shaft 7 These vaporize gasoline 8 Ignites the gasoline 9 Surrounds engine block 10 Covers the pistons 11 Raises and lowers the valves Engine block Cam shaft Cylinders Valves Cylinder heads Intake manifild Piston rods Water jacket Spark plugs Crank shaft carburetor or fuel injector