what is the intake manifold

(a)  

what is the cooling system

(a)  

what is the drive train

(a)  

what is the ignition system

(a)  

what is the engine

(a)  

what is the lubrication system

(a)  

what is the charging system

(a)  

what is the exhaust system

(a)  

what is the starting system

(a)