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Heat Insulating Washer 1.5mm, Norton

$2.60 In-Stock

Heat insulating washer, 1.5 mm thick.

Fits beneath the valve spring seats to prolong valve spring life. Generally four were used with a standard cam, only two (on the exhaust) with an 2S cam and none with 4S, but cylinder heads also vary, and ultimately it is the engine builder’s responsibility to always check valve lift, rocker geometry and springs for coil binding.

Thickness: 1/16″ (1.5mm)
Diameter: 1.1″ (27.9mm)
Inside diameter: 0.7″

For Norton Commando and Dominator.

Made in England.

067845, NM23392