Speedmaster®
Supercharger Pop Off Plate Valve And Spring Kit [SBC BBC]
![Speedmaster® PCE159.1013 Supercharger Pop Off Plate Valve And Spring Kit [SBC BBC]](https://product-arena.s3.us-west-1.amazonaws.com/ProcompElectronics/PCE159%20-%20Superchargers%2C%20Roots%20Style%20Components/PCE159.1013/PCE159.1013.jpg?resizeid=225&resizeh=50&resizew=50)
![Speedmaster® PCE159.1013 Supercharger Pop Off Plate Valve And Spring Kit [SBC BBC]](https://product-arena.s3.us-west-1.amazonaws.com/ProcompElectronics/PCE159%20-%20Superchargers%2C%20Roots%20Style%20Components/PCE159.1013/PCE159.1013_A.jpg?resizeid=225&resizeh=50&resizew=50)
![Speedmaster® PCE159.1013 Supercharger Pop Off Plate Valve And Spring Kit [SBC BBC]](https://product-arena.s3.us-west-1.amazonaws.com/ProcompElectronics/PCE159%20-%20Superchargers%2C%20Roots%20Style%20Components/PCE159.1013/PCE159.1013_B.jpg?resizeid=225&resizeh=50&resizew=50)
![Speedmaster® PCE159.1013 Supercharger Pop Off Plate Valve And Spring Kit [SBC BBC]](https://product-arena.s3.us-west-1.amazonaws.com/ProcompElectronics/PCE159%20-%20Superchargers%2C%20Roots%20Style%20Components/PCE159.1013/PCE159.1013_C.jpg?resizeid=225&resizeh=50&resizew=50)
Product Information
Overview
Pop-Off plates are designed to release the high pressure that builds up inside of the engine to prevent damaging or cracking your supercharger components. Suits: 1-149-004 and 1-149-005 Manifolds
Specs
| Brand: | Speedmaster |
| Part Number: | PCE159.1013 |
| Part Type: | Supercharger, Root Style Component |
| Supercharger Component Type: | Pop-Off Plate & Springs |
| Supercharger Component Finish: | Natural |
| Center To Center Distance: | 1.375 in. |
| Bolt Thread Size: | 3/8-16 |
| Quantity: | Sold as a kit |
| Notes: | Requires a clearance of 2.0625 in. for installation. Includes new springs, gaskets, fasteners, and a plate. This plate is designed for PCE149.1013 |
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.