New Distributor vacuum advance end plug kit for all dual point wide band advances.  This includes Boss 302, Boss 351, and Boss 429. Also correct for 1970 428CJ and 70-71 429CJ/SCJ 4 speeds. Works with Ford X6, X12, and Z12 and aftermarket advances.  
   Kit includes:
               1  End Plug, correct yellow zinc
               1  End Plug gasket
               1  Spring
               1 Advance Stop (color may vary)
               2 Spring Spacer .035"
               2 Spring Spacer .060"
         We include the two thin and two thick spacers( more than you need) to allow you adjust the vacuum advance to your needs.

                        --------------------Distributor Advance NOT included------------------------------

  Check out our other detailing items, Thanks