Speedmaster®
Chevy LS3 2pc Fabricated Ram Air 98mm 4 Bolt EFI Intake Manifold Black
Product Information
Overview
The GM LS3 Modular Ram Air Intake Manifold was designed for high-performance applications where induction system height is not limited. Couple this Hi-Ram intake with the high flowing LS3 style cylinder heads has outstanding potential for naturally aspirated and forced induction applications. The runner length and the tapered cross-section were designed to perform well for a wide range of engine configurations.
Specs
| Brand: | Speedmaster |
| Part Number: | 1-148-051-02 |
| Part Type: | Intake Manifold, Fuel Injected |
| Engine Block Style: | LS3 |
| Injection Style: | Multi-port |
| Basic Operating RPM Range: | Idle-7,000 |
| Intake Section Included: | Complete |
| Intake Front Height (in.): | 10.00 |
| Intake Rear Height (in.): | 6.25 |
| EGR: | No |
| Injectors Included: | No |
| Fuel Rails Included: | Yes |
| Aftermarket Fuel Rail Required: | N/A |
| Throttle Body Included: | No |
| Throttle Body Bore Diameter: | 98mm |
| Supplemental Bosses Cast-In: | No |
| Supplemental Bosses Machined: | Yes |
| Runners Included: | Yes |
| Runners Removable: | No |
| Base Material: | Aluminum |
| Base Finish: | Painted Black |
| Quantity: | Sold Individually |
| Notes: | Intake manifold O-rings not included. |
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.