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Standard

Spark Plugs

2013-03-11
CURRENT
J548/1_201303
This SAE Standard applies only to spark plugs used for ground vehicles and stationary engines. This document is intended to serve as a guide to dimensions common to the majority of current production spark plugs and future applications. It is not the intent of this document to prohibit the manufacture of spark plugs having dimensions differing from those presented. Many applications exist which require specialized or nonstandard spark plugs. It is recommended that this document be used in spark plug design and engine applications wherever possible. Whenever design situations arise that prevent the use of one of these standard spark plugs, a spark plug manufacturer should be contacted for guidance. Figures 1 to 13 and Tables 1A to 6 show typical configurations of unshielded and shielded spark plug designs, their dimensional characteristics, installation, threaded hole, and spark plug thread sizes.
Standard

Spark Plug Installation Sockets

2000-03-27
HISTORICAL
J548/2_200003
This SAE Standard applies to spark plug installation sockets of the long length type which are to be used for installing spark plugs of the most commonly used sizes for the North American market.
Standard

SPARK PLUG INSTALLATION SOCKETS

1992-06-01
HISTORICAL
J548/2_199206
This SAE Standard applies to spark plug installation sockets of the long length type which are to be used for installing spark plugs of the most commonly used sizes for the North American market.
Standard

SAE 17.6 Cubic Inch Spark Plug Rating Engine

1999-11-01
HISTORICAL
J2203_199911
This SAE Standard defines the standard engine to be used in determining spark plug preignition ratings. The engine is known as the SAE 17.6 Cubic Inch Spark Plug Rating Engine.
Standard

SAE 17.6 Cubic Inch Spark Plug Rating Engine

2019-06-11
CURRENT
J2203_201906
This SAE Standard defines the standard engine to be used in determining spark plug preignition ratings. The engine is known as the SAE 17.6 Cubic Inch Spark Plug Rating Engine.
Standard

SAE 17.6 Cubic Inch Spark Plug Rating Engine

2014-02-26
HISTORICAL
J2203_201402
This SAE Standard defines the standard engine to be used in determining spark plug preignition ratings. The engine is known as the SAE 17.6 Cubic Inch Spark Plug Rating Engine.
Standard

SAE 17.6 CUBIC INCH SPARK PLUG RATING ENGINE

1991-06-01
HISTORICAL
J2203_199106
This SAE Standard defines the standard engine to be used in determining spark plug preignition ratings. The engine is known as the SAE 17.6 Cubic Inch Spark Plug Rating Engine.
Standard

Preignition Rating of Spark Plugs

1999-11-15
HISTORICAL
J549_199911
This SAE Recommended Practice describes the equipment and procedures used in obtaining preignition ratings of spark plugs.
Standard

Preignition Rating of Spark Plugs

2013-03-11
HISTORICAL
J549_201303
This SAE Recommended Practice describes the equipment and procedures used in obtaining preignition ratings of spark plugs.
Standard

Preignition Rating of Spark Plugs

2020-06-15
CURRENT
J549_202006
This SAE Recommended Practice describes the equipment and procedures used in obtaining preignition ratings of spark plugs.
Standard

Preignition Rating of Spark Plugs

2015-03-03
HISTORICAL
J549_201503
This SAE Recommended Practice describes the equipment and procedures used in obtaining preignition ratings of spark plugs.
Standard

PREIGNITION RATING OF SPARK PLUGS

1990-06-01
HISTORICAL
J549_199006
This SAE Recommended Practice describes the equipment and procedures used in obtaining preignition ratings of spark plugs.
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