Includes (4) Spark PlugThread: 14mm, Reach: 12.7mm, Seat type: flat, Hex size: 21mm, Tip configuration: projected, Type: Standard, Terminal type: Solid, New, Bulk PackedGenuine OEM Replacement Part # QL78YC-4PKConsult owners...

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Includes (4) Spark PlugThread: 14mm, Reach: 12.7mm, Seat type: flat, Hex size: 21mm, Tip configuration: projected, Type: Standard, Terminal type: Solid, New, Bulk PackedGenuine OEM Replacement Part # QL78YC-4PKConsult owners manual for proper part number identification and proper installationPlease refer to list for compatibilityCompatible with the Following:

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