Triumph Pre Unit 500 base gasket 70-2249 1946-1957

Triumph Pre Unit 500 base gasket 70-2249 1946-1957This gasket is the ONLY 500 PRE UNIT base gasket that fits and works with NO EFFORT. The pink, green, or blue gaskets made for the pre unit 500 are most likely made by people who never tried to install them. They belong in the trash can 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

Each guide is supplied with a viton metal positive seal

This Hepolite kit includes everything you need to take your 750 cylinder to the next size

4  3/8” I

If you are building a Triumph 650 pre unit or early unit twin or need to rebuild a head

The base gasket has a hole for the pressurized oil feed

Sorry but we can not offer free shipping on engine oil and lubricants

but getting all the correct wear parts together sometimes is

and it's grey color makes it blend in with aluminum engine cases

If you have a 850 Commando

Included with the first ever aluminum core reusable 650 and 750 Unit Triumph primary gasket is everything you will need to seal it up

Replace your points (or other ignition) with the most advanced

This made in USA kit is handy for anyone who needs to service their clutch