Triumph Unit 500 rocker box rebuild kit 1958-1974

This kit is designed to service rocker boxes on all Unit 500 Triumph engines from 1958 to 1974.  They are the best available anywhere, at any cost. 500 Unit Twin 1958-1974 ROCKER BOX REBUILD KIT This kit includes: 4 rocker box inspection caps ( 70-3751 or E3751 ) 2 AFM rocker box gaskets ( 70-9511 or E9511) 6 rocker oil feed copper washers (82-1880 or F1880 ) 2 rocker shaft copper washers ( 70-1335 or E1335 ) 2 rocker shaft O rings ( 70-3253 or E3552 ) These gaskets were proudly manufactured in the USA, with materials from the USA by Cleveland Gasket®. They are aluminum core with a nitrile rubber bonded to both sides. This AFM gasket material has excellent temperature resistance, torque retention, and compression. No sealant of any type is needed, and due to the high rate of recovery when disassembled, in most cases the gaskets can be reused. These gaskets have been tested both on the street and at the Bonneville Salt Flats, and have been proven to be superior to anything available in