Speedmaster®
Chevy SBC 350 BBC 454 - Thunder HEI DNA® - Distributor
Product Information
Overview
Speedmaster Thunder HEI Distributors feature precision CNC, cast aluminum housing with vacuum and mechanical advance curves. Suitable for use with most high-performance applications, these drop-in all-in-one distributors include an integrated coil that keeps underhood wiring clean. Thunder distributors are designed to produce increased energy through to 9,000 rpm due to their technological enhancements!
Specs
| Brand: | Speedmaster |
| Part Number: | 1-376-001 |
| Part Type: | Distributor |
| Computer-Controlled Compatible: | No |
| Trigger Style: | Magnetic |
| Advance Type: | Vacuum and Mechanical |
| Cap Style: | Male/HEI |
| Cap Diameter (mm): | - |
| Mechanical Tach Drive: | No |
| Slip Collar: | No |
| Gear Material: | Steel |
| Ignition Box Required: | No |
| Distributor Gear Rotation: | Standard |
| Distributor Cap Color: | Black |
| Housing Material: | Aluminum |
| Housing Finish: | CNC Machined |
| Marine Use: | No |
| Quantity: | Sold individually. |
Description




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.



