ported cylinders pt#15-8003 $390 for the set,head's pt#12-300 $230 for the set,slp pipes $850.trade these item's for you'r stock stuff from a running sled.no dented pipes ,scored cylinders and what not.$1,000 plus shipping.stuff was bought from angermanagment 890 here on sw 3 year's ago,sled has not seen 200 miles with the top end on.ean had 1 season on them.have any question's,shot angermanagment890 a pm.another option is buy the hole sled,a 2000xcr800 151 with goodies pull the cord and go,$3,500.sled is in duluth m.n.thank's chris.