2014-2015 honda civic si 2.4
6 speed manual transmission
dohc 
part number 37820-rx0-A21
oem engine computer
engine computer may need to be reprogramed to you're vehicle 
 
Item is in good used working condition.
Item may show signs of scuffs or scratches.
Item may have imperfections from being a used item.
Hardware and gaskets not included
WARRANTY POLICY.
Standard 60 day's from date purchased parts only warranty on engine's/transmission's and differential's and must be installed by a ase certified technician or ase certified repair shop no exception's!
we do not cover any labor charge's/fluid's/replaced gasket's.
all body parts/tires/glass/seat parts are sold as is with no warranty/no return/no refunds/ no exceptions.
all electrical parts are exchange or store credit only no exceptions
 
It is highly recommended to have all timing belt kits/head gaskets/spark plugs/oil pan gaskets and any other preventative maintenance items to be performed before installation. As to the nature of used items, we can not always guarantee that these items have been done before.