Speedmaster®
Chevy LS1 LS2 LS6 EFI 102mm 4 Bolt Ram Air Intake Manifold [Satin]
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![Speedmaster® 1-148-014 Chevy LS1 LS2 LS6 EFI 102mm 4 Bolt Ram Air Intake Manifold [Satin]](https://product-arena.s3.us-west-1.amazonaws.com/Speedmaster/1-148%20Intake%20Manifolds%2C%20Fuel%20Injected/1-148-014/1-148-014_B.jpg?resizeid=224&resizeh=600&resizew=600)
![Speedmaster® 1-148-014 Chevy LS1 LS2 LS6 EFI 102mm 4 Bolt Ram Air Intake Manifold [Satin]](https://product-arena.s3.us-west-1.amazonaws.com/Speedmaster/1-148%20Intake%20Manifolds%2C%20Fuel%20Injected/1-148-014/1-148-014_C.jpg?resizeid=224&resizeh=600&resizew=600)
Product Information
Overview
Constructed from durable aluminum, this manifold offers improved strength and reliability, especially beneficial for engines equipped with turbochargers or superchargers, where plastic manifolds may fail under extreme pressure. Designed as a direct-fit replacement intake, it also includes a 102mm throttle body inlet for enhanced air intake potential.
Specs
| Brand: | Speedmaster |
| Part Number: | 1-148-014 |
| Part Type: | Intake Manifold, Fuel Injected |
| Engine Block Style: | Stock/OEM standard deck |
| Injection Style: | Multi-port |
| Basic Operating RPM Range: | 1,500-6,500 |
| Intake Section Included: | Complete |
| EGR: | No |
| Injectors Included: | No |
| Fuel Rails Included: | No |
| Aftermarket Fuel Rail Required: | Yes |
| Throttle Body Included: | No |
| Throttle Body Bore Diameter: | 102mm |
| Supplemental Bosses Cast-In: | No |
| Supplemental Bosses Machined: | No |
| Runners Included: | No |
| Runners Removable: | No |
| Base Material: | Aluminum |
| Base Finish: | Satin |
| Quantity: | Sold individually. |
| Notes: | Bosses cast-in for nitrous. |
Description
The Speedmaster intake manifold is engineered for LSX-style engines and is ideal for high-performance applications. It features an expanded plenum area to support increased airflow, making it well-suited for larger displacement LS1, LS2, and LS6 engines.
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.