Port Assemble Honda TRX450R CRF450R Head Porting Assembly Your Head Ported

THIS IS A SERVICE WE PROVIDE TO YOUR HEAD YOU SEND US.  YOU ARE NOT PURCHASING A HEAD Make your worn out, tired head better than new!  Complete assembly ready to bolt on and go! Tear down, inspect, clean, sandblast Full race port & polish Intake, exhaust, combustion chamber Valve guides cut to match porting Complete assembly Kibblewhite lightweight valve springs Titanium retainers Heat treated collars Kibblewhite Black Diamond intake and exhaust valves Viton valve stem seals Valve keepers Great for stock or built engine 6 month warranty* DO YOU NEED THIS ITEM INSTALLED ON YOUR VEHICLE?  WE HAVE YOU COVERED!  AT BPRATV WE HAVE BEEN OFFEIRNG THE BEST IN PARTS AND SERVICE FOR OVER 20 YEARS.  VISIT US ONLINE, CALL US, OR COME SEE US IN PERSON AT OUR UPLAND, CA LOCATION. PRICES AND LISTINGS ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE.  DEALERS CONTACT US TO RECEIVE AN INDUSTRY DISCOUNT ON EVERYTHING WE SELL. Returns: We accept returns within the first 30 days for all or part