Troy Bilt Engine 35Vi, Spark Plugs & Carburetor

amr/rc.com. I have a Troy Bilt engine "Rotomotor" 35Vi and I need spark plugs, type inst, NGK BPMR6F, or Alt types also I need a carburetor a Walbro can you please advise me types. And can you supply thank you jtownsendf@aol.com