Speedmaster®
Chevy BBC 454 12 Point Black Oxide Exhaust Header Bolt Kit
Product Information
Specs
| Brand: | Speedmaster |
| Part Number: | PCE317.1003 |
| Part Type: | Header Fastener |
| Thread Size: | 3/8-16 in. |
| Underhead Length (in): | 1.000 in. |
| Head Style: | 12 Point |
| Fastener Style: | Bolt |
| Fastener Finish: | Black Oxide |
| Fastener Material: | Steel |
| Quantity: | Sold as a set of 16. |
Warranty Information
12-Month Limited Worldwide Warranty
Prop 65 Warning
This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Installation Guide
Our AI assistant generates a step-by-step guide for this product — covering installation, maintenance, and troubleshooting.
This AI-generated guide is for general reference only and does not constitute official Speedmaster product documentation. Always verify fitment, torque specifications, and safety requirements before installation.