



The BLUEFOX TOOLS 14PC Sioux Valve Seat Grinder Straight Pilot Set is designed for valve seat grinding, cylinder head reconditioning and engine rebuilding applications. This comprehensive set includes 14 straight pilots in a range of metric and fractional sizes, along with 2 Sioux pilot holders and 2 drive balls.
Each pilot features a 0.385" (9.78mm) top diameter and is manufactured from hardened steel. The pilots are precision-ground to provide accurate alignment when used with compatible Sioux valve seat grinding equipment and machines designed to accept 0.385" top straight pilots.
With multiple pilot diameters from 4mm to 12mm, plus 5/16" and 11/32", this set provides a versatile selection for different valve guide sizes and engine applications.
| Pilot | Size |
|---|---|
| 🔧 Pilot 1 | 4 mm |
| 🔧 Pilot 2 | 4.5 mm |
| 🔧 Pilot 3 | 5 mm |
| 🔧 Pilot 4 | 5.5 mm |
| 🔧 Pilot 5 | 6 mm |
| 🔧 Pilot 6 | 6.5 mm |
| 🔧 Pilot 7 | 7 mm |
| 🔧 Pilot 8 | 8 mm |
| 🔧 Pilot 9 | 9 mm |
| 🔧 Pilot 10 | 10 mm |
| 🔧 Pilot 11 | 11 mm |
| 🔧 Pilot 12 | 12 mm |
| 🔩 Pilot 13 | 5/16" |
| 🔩 Pilot 14 | 11/32" |
🔧 Valve Seat Grinding – Suitable for compatible valve seat grinding equipment.
⚙️ Cylinder Head Reconditioning – Useful for cylinder head repair and reconditioning work.
🏭 Engine Rebuilding – Designed for automotive engine rebuilding and machine shop applications.
🎯 Valve Seat Refacing – Suitable for refacing and servicing valve seats.
🔩 Automotive Engine Repair – Useful for professional and workshop engine repair tasks.
🛠️ Machine Shop Use – A practical valve grinding accessory for compatible Sioux-style equipment.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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Nam tempus turpis at metus scelerisque placerat nulla deumantos solicitud felis. Pellentesque diam dolor, elementum etos lobortis des mollis ut risus. Sedcus faucibus an sullamcorper mattis drostique des commodo pharetras loremos.
Nam tempus turpis at metus scelerisque placerat nulla deumantos solicitud felis. Pellentesque diam dolor, elementum etos lobortis des mollis ut risus. Sedcus faucibus an sullamcorper mattis drostique des commodo pharetras loremos.
Nam tempus turpis at metus scelerisque placerat nulla deumantos solicitud felis. Pellentesque diam dolor, elementum etos lobortis des mollis ut risus. Sedcus faucibus an sullamcorper mattis drostique des commodo pharetras loremos.

