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Jiffy® 2-Cycle Engines and TecumsehTM 2HP Spark Plug - #4002
TecumsehTM 3HP Spark Plug - #4003
Jiffy® 46 X-TREMETM, PRO4, & 4G 4-Stroke Engine Spark Plug - #4290
Jiffy® PRO4 Lite & 4G Lite 4-Stroke Engine Spark Plug - #4444