Speedmaster®
Chevy GM LS1 LS2 LS6 2x4-Barrel Dual Plane Fuel Injected Intake Manifold Satin
Product Information
Overview
Speedmaster LS dual 4-barrel, dual plane fuel injection intake manifolds allow the installation of dual throttle bodies on late model LS Series engines. The dual plane, equal-distribution layout produces great midrange torque without compromising top-end power.
Specs
| Brand: | Speedmaster |
| Part Number: | 1-148-053-01 |
| Part Type: | Intake Manifold, Fuel Injected |
| Product Line: | Twin |
| Application: | LS1 |
| Engine Block Style: | Stock/OEM standard deck |
| Injection Style: | Multi-Port |
| Intake Style: | Dual Plane |
| Flange Style: | 4150 Square Bore |
| Flange Center-to-center: | 8-5/8" |
| Intake Height, Front (in.): | 5.625 in. |
| Intake Height, Rear (in.): | 6.281 in. |
| Basic Operating RPM Range: | 1,500-7,000 |
| Injectors Included: | No |
| Fuel Rails Included: | Yes |
| Throttle Body Included: | No |
| Throttle Body(s) Quantity: | Two |
| Base Material: | Aluminum |
| Base Finish: | Satin |
| EGR: | No |
| Quantity: | Sold Individually. |
| Notes: |
Attachments
Description
The manifolds feature a wide 1,500-7,000 rpm power band range and can accept dual inline throttle bodies with a 1.500 in. maximum throttle bore diameter.
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.