Vintage Royal Enfield type C.I Deflector Hepolite steel piston set 64mm +.020" Ref 3899.   There is some rust in places but with the piston being steel it should clean up o.k.  There is a box but in very poor condition which will be sent.  Any questions please message. Price for postage is UK only. Please message for overseas postage at cost.  Will post worldwide. THE PRICE FOR POSTAGE IS UK ONLY OVERSEAS PLEASE MESSAGE FOR POSTAGE PRICE.