Speedmaster®
Fuel Injector 0.400" Billet Aluminum Extension Spacer Set [LS3 to LS1 Truck]
![Speedmaster® PCE599.1002 Fuel Injector 0.400" Billet Aluminum Extension Spacer Set [LS3 to LS1 Truck]](https://product-arena.s3.us-west-1.amazonaws.com/ProcompElectronics/PCE599%20-%20Fuel%20Injector%20Spacers/PCE599.1002/PCE599.1002.jpg?resizeid=225&resizeh=50&resizew=50)
![Speedmaster® PCE599.1002 Fuel Injector 0.400" Billet Aluminum Extension Spacer Set [LS3 to LS1 Truck]](https://product-arena.s3.us-west-1.amazonaws.com/ProcompElectronics/PCE599%20-%20Fuel%20Injector%20Spacers/PCE599.1002/PCE599.1002_A.jpg?resizeid=225&resizeh=50&resizew=50)
![Speedmaster® PCE599.1002 Fuel Injector 0.400" Billet Aluminum Extension Spacer Set [LS3 to LS1 Truck]](https://product-arena.s3.us-west-1.amazonaws.com/ProcompElectronics/PCE599%20-%20Fuel%20Injector%20Spacers/PCE599.1002/PCE599.1002_B.jpg?resizeid=225&resizeh=50&resizew=50)
Product Information
Overview
These fuel injector spacers are designed to extend your short OEM fuel injectors to the same length as the longer-style injectors.
Specs
| Brand: | Speedmaster |
| Part Number: | PCE599.1002 |
| Part Type: | Fuel Injector Spacer |
| Overall Spacer Height: | 0.770 in. |
| Spacer Added Height: | 0.400 in. |
| O-Ring Diameter: | 0.5655 in. |
| Fuel Injector Spacer Material: | Aluminum |
| Fuel Injector Spacer Finish: | Natural |
| Quantity: | Sold as a set of 8 |
| Notes: | Includes O-rings |
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.