depending where you shop could be between $20 and $40 bux..ebay is the best place............
If it were me Id buy the HP IRK for $35
http://www.ebay.com/itm/Performance...Parts_Accessories&hash=item4ab34ec535&vxp=mtr
If it were me Id buy the HP IRK for $35
http://www.ebay.com/itm/Performance...Parts_Accessories&hash=item4ab34ec535&vxp=mtr