Triumph 500 & 350 base gasket 1958-1974The pink, green, and blue gaskets made for the Triumph twins are most likely made by people who never tried to install them. Those colors belong in the circus and not on one of the best engines Triumph ever produced. These are aluminum core with a nitrile rubber bonded to both sides. This AFM gasket material has excellent temperature resistance, torque retention, and will not squeeze out as some gaskets made of fiber can. It is the most highly

This set will only work with 650 rod (not T140 or Unit 500) that used part numbers 70-6576 (E6576) or 70-2904A (E2904A)

Bonneville or TR7

and 4 base washers

These special jets can be identified by counting the number of rings machined into the jet (rings not visible when installed)

The most common 650 and 750 valve sizes are 1

torque retention

We have used this ring set in our shop for years with great success

These AFM pre unit rocker box gaskets are

2  3/8" copper washers       ( E1335  70-1335 )

you can add one in the menu above if necessary

Kibblewhite engineered and manufactures a complete 6mm valve conversion for Triumph 750 twin heads

Both sets include a socket rail