- Originally designed for Honda XR400s as a trail tool, but fits many models with 18mm plugs
- Thinwall design to fit into low clearance plug cavity
- Socket can be driven with various tools including the Motion Pro spark plug ratchet wrench, 3/8 in. ratchet, 13/16 in. wrench, tool kit bar, or a Phillips screwdriver placed through the 8.5 mm hole at the top of the socket
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 1996-2004 | Honda | XR400R | |
| 1983-1984 | Honda | XR500R Pro Link 500 | |
| 1992-2000 | Honda | XR600R | |
| 1993-2007 | Honda | XR650L | |
| 2000 | KTM | 400 SXC | |
| 1996-1997 | KTM | 620 LC4 EXC | |
| 1997 | KTM | 620 LC4 SX | |
| 1997-1998 | KTM | 620 SX | |
| 1985 | Yamaha | TT600 | |
| 1992-2002 | Yamaha | XT225 | |