Spark Plug Champion RH-18-Y Finish: High polish chrome finish

Finish: High polish chrome finish provides excellent corrosion resistance and ease of cleaning

especially where light deposits need to be removed from larger tubing

ensuring efficient purging and system performance

Produces factory-quality crimps quickly and consistently

Design: Universal joint design allows access to fasteners at various angles

Spark Plug Champion RH-18-Y Finish: High polish chrome finishThe Champion RH 18 Y Spark Plug (also known as part number 857) is a Copper Plus spark plug designed for small engines and lawn equipment. Here's a detailed breakdown of its specifications: Technical Specifications: Part Number: RH18Y 857 Thread Size: 14mm Thread Reach: 11. 2mm (0. 44 inch) Hex Size: 13 16 inch (20. 6mm) Seat Type: Gasket Heat Range: 18 Preset Gap: 0. 025 inch (0. 64mm) Center Electrode Tip Material: Nickel Ground Electrode Tip