Powerbuilt 12mm Jam Nut Valve Adjustment Tool (648828)
Powerbuilt 648828 12mm Jam Nut Valve Adjustment Tool simplifies valve clearance adjustments on Honda, Toyota, Nissan, Mazda, and other engines with 12mm jam nuts and slotted valve adjusting studs. The tool's unique all-in-one design eliminates the need for multiple tools, providing precision and ease during valve adjustments. A built-in cutaway allows for visual alignment of the screwdriver blade with the valve stud, ensuring accurate engagement. The 7-1/2 inch side handle offers the necessary leverage to loosen tight jam nuts, making the adjustment process more efficient. Detailed usage instructions with photos are included for user convenience.
Designed for 12mm jam nuts and slotted valve adjusting studs
All-in-one design eliminates the need for multiple tools
Built-in cutaway allows for visual alignment of screwdriver blade
7-1/2 inch side handle provides leverage for loosening tight jam nuts
Includes detailed usage instructions with photos
Ensures precise valve clearance adjustments
Reduces the need for additional tools, streamlining the process
Enhances accuracy with visual alignment feature
Provides sufficient leverage for loosening tight jam nuts
Offers clear guidance through included instructions
Technical Specifications:
Brand: Powerbuilt
Handle Length: 7-1/2 inches
Product identification
- Brand: Powerbuilt
- Model / MPN: 648828








