Includes (4) RC12YC Spark Plugs. New, Bulk Packed. Genuine Champion Spark Plugs. Consult owners manual for proper part number identification and proper installation. Please refer to list for compatibility. Includes (4) RC12YC Spark Plugs. New, Bulk Packed. Genuine OEM replacement part. Consult owners manual for proper part number identification and proper installation. Compatible with: Craftsman : 580751781, 580742780, 580762601, 580742781, 580742700, 580742651, 580742800, 580742650, 580762600 High, 580751782, 580751780, 580751650, 580763000 High, 580751651 Pressure Washer