Never been used, for 2000-2005 s2k comes in new ecu with wire harness and bracket needing to sell to pay some bills best offer takes it. Cost $1700 new pm me with any offers, I will ship anywhere in the u.s I also have a 2.16l crower stroker kit for a gsr also brand new comes with 95mm crank, H-beam connecting rods, and je custom pistons. come with rings, pins, and locks. The H beam connecting rods will come with ARP2000 r bolts pm me with any questions