Heater boots now available for '49 -'50 Ford F-1 to F-3 with standard heaters ,'51 & '52 Mercury trucks with Magic Air heaters and '51 & '52 Ford F-1 trucks equipped with Magic Air heaters . These boots are an exact reproduction of the originals .Made of 80 durometer black urethane rubber with the casting marks in the correct places . You will not be dissappointed with this restoration piece . Email for info is koda06@bellsouth.net or ph. 772-337-6393 .Thanks, Denny Dahle