Product Description
Genuine Briggs and Stratton Part: 557039
This RG4HC long reach Spark Plug is manufactured by Champion. It's fitted to selected models of Briggs OHV race engines.
Thread diameter: 10mm
Thread reach: 19mm
Hex size: 16mm
Tip configuration: Projected
Terminal type: Solid
PLEASE NOTE: Attempting to fit the incorrect part can have a dramatic affect on how your engine runs, it also risks causing damage to either the part, or the engine. If you're not sure of the exact part number for your engine, refer to the parts list specific to your engines Model, Type and Code numbers, or contact us for assistance.