- Softer Manganese guides are easily reamed, and then can be delicately finished with Kibblewhite high quality ball hones
- With any battery operated or electric drill you can ream and hone manganese valve guides in less time
- Expect the same exacting KPMI® tolerances, but with a reduced toughness / wear-ability when compared to premium C630 Nickel Aluminum Bronze valve guides
- Made in the USA
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 2007-2008 | Yamaha | Grizzly 450 YFM450FG 4x4 | |
| 2009 | Yamaha | Grizzly 450 YFM450FGI 4x4 IRS | |
| 2003-2009 | Yamaha | WR450F | |
| 2011-2015 | Yamaha | WR450F | |
| 2004-2009 | Yamaha | YFZ450 | |
| 2012-2013 | Yamaha | YFZ450 | |
| 2009-2020 | Yamaha | YFZ450R | |
| 2016 | Yamaha | YFZ450R Special Edition | |
| 2017-2020 | Yamaha | YFZ450RSE | |
| 2009-2015 | Yamaha | YFZ450RSE Special Edition | |
| 2007 | Yamaha | YFZ450SE Special Edition | |
| 2008 | Yamaha | YFZ450SP Special Edition | |
| 2006-2007 | Yamaha | YFZ450V Bill Balance Edition | |
| 2010-2011 | Yamaha | YFZ450X | |
| 2010 | Yamaha | YFZ450X Bill Balance Edition | |
| 2011 | Yamaha | YFZ450XSE Special Edition | |
| 2003-2009 | Yamaha | YZ450F | |