Section 16 Machinery and mechanical appliances; electrical equipment; parts thereof; sound recorders and reproducers, television image and sound recorders and reproducers and parts and accessories of such articles 84 Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof 84 07 Spark-ignition reciprocating or rotary internal combustion piston engines. 84 07 33 Spark-ignition reciprocating piston engines for vehicles, 250-1000cc Commodity Code Description 84 07 33 00 Spark-ignition reciprocating piston engines for vehicles, 250-1000cc 84 07 33 10 For vehicles of heading 87.01 84 07 33 20 For vehicles of heading 87.11 84 07 33 90 Other