Helps secure the plug cap onto the plug. 21mm hex most commonly used, i.e. BR10EG/EIX, BR9EG/EIX, IW34-34, AR51, 7376-10, etc. 16mm for Briggs World Formula, etc. Three rubber straps to fit various plug/cap combinations.
Spark Plug Cap Strap
Helps secure the plug cap onto the plug. 21mm hex most commonly used, i.e. BR10EG/EIX, BR9EG/EIX, IW34-34, AR51, 7376-10, etc. 16mm for Briggs World Formula, etc. Three rubber straps to fit various plug/cap combinations.
