RHB32S

Thread size: 18 mm
Reach: 13/16"/2.06 cm
Shielded Threading: 3/4" - 20
Standard Electrode: Single Fine Wire
Fine Wire Electrode: Iridium
Plug Gap: .016"-.021"/0.41-0.53 mm 

NOTE: Spark plugs are shipped in factory sealed plastic cases. Opened spark plug cases make the spark plugs non-returnable. Please do not open any spark plug until you are sure you have received the correct spark plugs for your application.