Specification Brand : BMotorParts BulletPoint1 : Compatible with EXMARK Lawn & Turf Equipment with Kawasaki 21.5, 22, 23, 23.5, 24, 25, 25.5, 28 & 29 hp V-Twin Spark Plug BulletPoint2 : Compatible with Champion RN12YC & NGK BPR5ES Spark Plugs BulletPoint3 : High durability spark plug that keeps your small engine running in optimum performance. Premium quality materials resist fouling and corrosion. BulletPoint4 : Superior conductivity for consistent voltage and long life. Stable operating temperature guarantees heat control under a variety of loads. Improves engine start, performance, fuel efficiency, stability and extends engine life. BulletPoint5 : Damaged or worn spark plug that can cause major engine damage if not changed. Replace your spark plug if your engine is difficult to start, misfiring or unstable idle. CompatibleWithVehicleType : Lawn & Turf Equipment CoreMaterial : Copper ExternallyAssignedProductIdentifier1 : 049438309019 ExternallyAssignedProductIdentifier2 : 0049438309019 ItemName : Spark Plug For Troy Bilt TB554 Edger 25B-554M711 ItemPackageQuantity : 1 ItemTypeKeyword : lawn-mower-spark-plugs Manufacturer : UpStart Components ModelNumber : SP-RN12YC-DL1033 PartNumber : SP-RN12YC-DL1033 ProductDescription : This product is not affiliated with any OEM brands and is not covered under any warranties offered by the original manufacturers. Warranties for this product are offered solely by Upstart Components ProductSiteLaunchDate : 2019-03-24T07:00:00.000Z UnspscCode : 26101732