Speedmaster®
Holden 253 304 308 12 Point Black Oxide Intake Manifold Bolt Kit
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Product Information
Overview
Speedmaster black-oxide coated chromoly intake manifold bolts are rated at 170,000 psi. They're precision-machined for optimum thread engagement and have a wide-area flange for better load distribution. They also feature precision-rolled threads, which prevent galling, while promoting more consistent torque loading.
Specs
| Brand: | Speedmaster |
| Part Number: | PCE318.1006 |
| Part Type: | Intake Manifold Bolt |
| Thread Size: | 3/8-16 in. |
| Washer Included: | Yes |
| Head Style: | Hex |
| Fastener Style: | Bolt |
| Fastener Finish: | Black Oxide |
| Fastener Material: | Chromoly |
| Quantity: | Sold as a kit. |
| Notes: | Inludes: 12x23mm 6x25mm |
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.