Spark Plug Champion RH-18-Y Design: Universal joint design allows

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

which is integrated into a 1/4" outer diameter (OD) copper tube that is 3 inches in length

ensuring efficient purging and system performance

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

Spark Plug Champion RH-18-Y Design: Universal joint design allowsThe 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