

10mm Jam Nut Valve Adjusting Tool for Honda, Toyota, Nissan and Mazda Engines
A standard wrench-and-screwdriver approach to adjusting valve clearance on a Honda or Toyota engine means fighting to keep the adjusting stud from spinning while the jam nut turns. This Powerbuilt tool combines both functions in one piece, with a view window that shows exactly where the screwdriver blade is seated.
Powerbuilt 648827 Jam Nut Valve Adjusting Tool Features:
- For adjusting valve clearance on Honda, VTEC, Toyota, Nissan and Mazda engines.
- Fits valves with a 10mm jam nut and slotted valve adjusting stud.
- View window shows screwdriver blade position for easier engagement.
- All-in-one design tightens the jam nut while preventing stud movement.
- 7-1/2 in. long handle.
- Sold individually.
Superior Tools Designed to Save Time and Money
For over 40 years, both automotive enthusiasts and professional mechanics have put their trust in Powerbuilt to deliver the right tool for the job. With a wide range of products available, Powerbuilt incorporates all the latest technologies into ensuring consistent quality, durability, and performance; saving time and money. Industry-leader Powerbuilt tools equip you to work smarter, not harder.