GIR1 TERMS OF HEADING 8407 INCLUDES SPARK IGNITION RECIPROCATING OR ROTARY INTERNAL COMBUSTION PISTON ENGINE. GIR6 TERMS OF ONE DASH SUBHEADING, RECIPROCATING PISTON ENGINES OF A KIND USED IN THE PROPULSION OF VEHICLES OF CHAPTER 87. TERMS OF TWO DASH SUBHEADING 840734, OF A CYLINDER CAPACITY EXCEEDING 1000CC. CN CODE 84073430, USED.