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![Speedmaster® 1-147-098 Oldsmobile 400 425 455 LowRise Intake Manifold [Polished]](https://product-arena.s3.us-west-1.amazonaws.com/Speedmaster/1-147%20Intake%20Manifolds%2C%20Carbureted/1-147-098/1-147-098_A.jpg?resizeid=215&resizeh=600&resizew=600)
![Speedmaster® 1-147-098 Oldsmobile 400 425 455 LowRise Intake Manifold [Polished]](https://product-arena.s3.us-west-1.amazonaws.com/Speedmaster/1-147%20Intake%20Manifolds%2C%20Carbureted/1-147-098/1-147-098_B.jpg?resizeid=215&resizeh=600&resizew=600)
![Speedmaster® 1-147-098 Oldsmobile 400 425 455 LowRise Intake Manifold [Polished]](https://product-arena.s3.us-west-1.amazonaws.com/Speedmaster/1-147%20Intake%20Manifolds%2C%20Carbureted/1-147-098/1-147-098_C.jpg?resizeid=215&resizeh=600&resizew=600)
HIGH DEMAND ALERT: Shipping may be slightly delayed!
Thank you for making our Black Friday Sale such a huge success! Due to the overwhelming demand, some orders placed during the sale are still being processed. If your Black Friday order is pending, rest assured that it will be shipped soon.
For new orders, please note that slight shipping delays may still occur as our team continues working around the clock to fulfill all orders as quickly as possible. We deeply appreciate your patience and support during this busy time. Stock is moving fast, so don’t wait—shop now to secure your favorites!
Thank you for making our Black Friday Sale such a huge success! Due to the overwhelming demand, some orders placed during the sale are still being processed. If your Black Friday order is pending, rest assured that it will be shipped soon.
For new orders, please note that slight shipping delays may still occur as our team continues working around the clock to fulfill all orders as quickly as possible. We deeply appreciate your patience and support during this busy time. Stock is moving fast, so don’t wait—shop now to secure your favorites!
Speedmaster®
Oldsmobile 400 425 455 LowRise Intake Manifold [Polished]
Overview
The Speedmaster LowRise Manifolds are our lowest profile manifold and is also the only one that is street legal on pollution controlled vehicles. It is set up to accept a spread bore carb.
Specs
| Brand: | Speedmaster |
| Part Number: | 1-147-098 |
| Part Type: | Intake Manifolds, Carbureted |
| Product Line: | LowRise |
| Engine Block Style: | Stock/OEM standard deck |
| Carburetor Quantity: | One |
| Intake Style: | Single Plane |
| Basic Operating RPM Range: | Idle-5,500 |
| Intake Manifold Height (in.): | 5.250 in. |
| Intake Material: | Aluminum |
| Intake Finish: | Machined Polished |
| EGR: | No |
| Quantity: | Sold individually. |
| Notes: | Check hood clearance before installing. Not for tall deck applications. |
| Calculator: | CFM Calculator |
Brand Information
In 1979, the company was founded with Pete's Performance, which was a small speed workshop. It began by building engines for customers as a hobby, and it has now grown to include selling, assembling, manufacturing and racing high performance engine parts. Over the years, the company has grown into a worldwide high performance powerhouse. Growing from a one-man bricks-and-mortar business; to now a supply chain in which entails more than 400+ people all across the world. Today, Pete's Performance has evolved into the internationally known Speedmaster: which has distribution centres and offices is Sydney, Los Angeles and Shanghai.
Prop 65 Warning
This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.