A good Used Sioux Valve Seat Grinding Set. Grinds good and has a good selection of tooling. Grind your existing valve seats. Like Sioux, KO Lee & Kwik Way
![10/12/20/24 pieces Valve Seat Grinding Stones + B&D 9/16" Thread Holder (10x Stones + 9/16" Holder) - Amazon.com 10/12/20/24 pieces Valve Seat Grinding Stones + B&D 9/16" Thread Holder (10x Stones + 9/16" Holder) - Amazon.com](https://m.media-amazon.com/images/I/51PZmBxjhzL.jpg)
10/12/20/24 pieces Valve Seat Grinding Stones + B&D 9/16" Thread Holder (10x Stones + 9/16" Holder) - Amazon.com
![Amazon.com: Valve Seat Grinder Sioux Stone Holder With 2 Pcs Sioux Grinding Stem Pilots with 5 Stones (Special Combo of 11/16" inches Thread) : Tools & Home Improvement Amazon.com: Valve Seat Grinder Sioux Stone Holder With 2 Pcs Sioux Grinding Stem Pilots with 5 Stones (Special Combo of 11/16" inches Thread) : Tools & Home Improvement](https://m.media-amazon.com/images/I/613LNheaUmL.jpg)