I am no longer impressed with these inserts. You are definitely on the right track. I installed it with an ATD 5400 (although the CalVan is exactly the same).
π§ Effortless Spark Plug Boot Removal Tool for Mercedes Benz V6 V8 - EWK 17mm Wrench
9 Review
π§ CTA Tools 2376 - Premium 14mm x 12 Point Spark Plug Socket for Efficient Vehicle Maintenance
9 Review
π ABN Inline Spark Plug Tester β Straight Boot Ignition Test Light for Small Engine Vehicles: Cars, Motorcycles, Lawn Mowers, Chainsaws
9 Review
π§ Enhance Performance with the Boost Monkey Spark Plug Gap Tool (12mm & 14mm) + Feeler Gauge
9 Review