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Champion STK 557 - Possible spark plugs for

Details about Champion STK 557:

Gap: 0.6 mm
Threaddiameter: M14x1.25
Threadreach: 9.5 mm
Hexsize: 21 mm
Terminaltype: SHIELDED

Alternative spark plugs for Champion STK 557:

Brand	Model
ACDelco	SR44E
ACDelco	SR46E
Autolite	2242
Autolite	2244
Blue Crown	SR6F17
Blue Crown	SR6F20C
Champion	XEJ8
General Motors	5612285
General Motors	5612830
Stitt	S40-5MC

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The Spark Plug Cross references are for general reference only. Check for correct application and spec/measurements. Any use of this cross reference is done at the installers risk.