Norton Side Valve Cylinder Base Gasket: Civilian Model 1938-1947

Product no.: 0927 8937

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This is the oil reistent paper gasket that was fitted to cylinder base on the  the newly re-designed (civilian version) Sidevalve Norton engines (i.e. 16H and Model 1 types) from 1938 until the end of 1947.  Note that the WD 16H Engine which was manufactured at the same time did not have this cover fitted.

In 1938 both the OHV and Side valve engines had a re-design and the Side Valve model had a newly designed barrel that included a cast in tappet adjustment area to the barrel, the cylinder base gasket for that new barrel is the one shown here.   Although I do not have an original barrel to show the gasket against, we have included a picture from the Norton 1939 model catalog that shows this engine, which was manufactured until the end of the 1947 model year.

This is an unusual and rarely seen gasket, as this engine was only produced for a short time and is not pictorially displayed in any original Spare Parts catalog I have seen, although its part number is listed in the 1939 Catalog.

Note that the WD 16H engine continued to be manufactured for WW2 army contracts alongside this model, but the WD engine was based on the pre-1938 design and did not have this type of cylinder base gasket fitted - but we can provide that as well, it being Item 0917.

These head gaskets are manufactured for us by a well established specialist UK gasket manufacturer.


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