Browse Standards J548/3
WIP 2016-01-15

Basic characteristics and dimensions for spark plugs and related cylinder head mounting hole. J548/3

This standard will be an updated version of SAEJ548/1. It is intended to specify the design requirements and dimensions for spark plugs and their cylinder head mounting. This standard will cover automotive, light duty non-automotive and small engine spark plugs. It does not include aircraft and large industrial engine type spark plugs..
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This Standard is currently a WIP.