Triumph Pre Unit 500 top end gasket kit 1946-1957

This kit is designed to service the top end on all Pre Unit 500 engines, including alloy close fin, square barrel, and iron head with internal or external drain. This gasket set has been carefully manufactured with the highest quality materials and technology currently available.  Triumph 500 Pre Unit 1946-1959 TOP END GASKET KIT includes:  1  AFM 500 base gasket                (70-2249 or E2249)  4  AFM rocker box gaskets            (70-1650 or E1650) 4  .095” thick Pushrod tube seals   (70-3547 or E3547) 4  .125” thick Pushrod tube seals   (70-4752 or E4752) 12  3/8” I.D. Copper washers          (70-1335 or E1335) 4  5/16” I.D. Copper washers         (82-1880 or F1880) 4 Rocker box inspection washers  (70-1577 or E1577) 8 pushrod tube seals are provided, only 4 are necessary. Please whichever size works best for your application. This gasket set does not include a head gasket or intake manifold gaskets. You can add a head gasket in the drop down menu. See below for head gasket info.