SPEEDMASTER PCE148.1012 Rect Port Dominator Inj High Rise 840136508670

( Brand: Speedmaster ), ( Manufacturer Part Number: PCE148.1012 ), ( Return Notes: New, Unused Condition W/original Packaging ), ( UPC: 840136508670 )

Review SPEEDMASTER Chevy Bbc Rect Port Dominator Inj Ports High Rise fits 454

Introducing the Speedmaster PCE148.1012 Fuel Injection System, specifically designed for Chevy BB C10 trucks with a 454 cubic inch big block engine and rectangular port heads. This high-performance fuel injection system, brought to you by Holley Performance Products, is a game-changer for enthusiasts seeking to elevate the power and efficiency of their classic Chevy trucks.

The Speedmaster PCE148.1012 is a twin-plane, rectangular port, throttle body fuel injection system. It comes equipped with eight 62 lb/hr injectors, capable of delivering precise fuel metering for optimal combustion. This system is designed to replace the stock carburetor setup, offering a smoother and more responsive driving experience.

The twin-plane throttle body is constructed from high-strength aluminum, ensuring durability and precision. It includes a built-in idling system, allowing for easy tuning and maintaining consistent idle speeds. The throttle body is also equipped with a vacuum secondaries port, which can be used to add a vacuum secondary system for even more power gain.

This fuel injection system comes with a Holley EFI controller, which can be used to tune and calibrate the system to your specific engine setup. The controller includes a built-in wideband oxygen sensor interface, allowing for real-time monitoring of air/fuel ratios for optimal performance and emissions control.

The Speedmaster PCE148.1012 also includes all necessary wiring harnesses and sensors, making the installation process straightforward and hassle-free. The system is designed to be easy to install with factory-style connectors, and Holley offers a wide range of installation guides and technical support resources to help ensure a successful installation.

In summary, the Speedmaster PCE148.1012 Fuel Injection System is a high-performance, plug-and-play solution for upgrading the fuel delivery system on your Chevy BB C10 with a 454 cubic inch big block engine and rectangular port heads. With precise fuel metering, easy tuning capabilities, and durable construction, this system is the perfect choice for enthusiasts seeking to unlock the full potential of their classic Chevy truck.

The Chevy BBC 454 engine with Speedmaster PCE148.1012 rect-port Dominator injectors is a popular choice for performance enthusiasts looking to upgrade their Chevy engines. Here are some pros and cons to consider before making a purchase:

1. Increased Power: The Dominator injectors provide a significant increase in fuel delivery capacity, allowing for increased horsepower and torque.

2. Improved Fuel Efficiency: The injectors deliver fuel more precisely, reducing fuel waste and improving overall fuel efficiency.

3. Better Idle Quality: The precise fuel delivery also leads to improved idle quality and stability.

4. Flex Fuel Capability: The rect-port design allows for flex fuel capability, allowing the engine to run on E85 or other alternative fuels.

5. Easy Installation: The injectors are relatively easy to install, with a simple wiring harness and no need for complex engine modifications.

1. Cost: The cost of the injectors and the necessary engine upgrades can be quite high, making this a significant investment.

2. Complexity: While the installation is relatively straightforward, there are some complexities involved, including the need for a fuel pressure regulator and potential tuning requirements.

3. Compatibility: Not all applications are compatible with the rect-port injectors, so it's important to ensure compatibility before making a purchase.

4. Tuning: Proper tuning is required to ensure optimal performance and fuel efficiency, which may require additional costs and expertise.

The Chevy BBC 454 engine with Speedmaster PCE148.1012 rect-port Dominator injectors offers significant performance gains, improved fuel efficiency, and the flexibility to run on alternative fuels. However, the cost and complexity of the installation, as well as the potential need for tuning, may make this a less than ideal choice for some performance enthusiasts.

If you're serious about maximizing the performance of your Chevy BBC 454 engine and have the budget and expertise to handle the installation and tuning, then the Speedmaster PCE148.1012 rect-port Dominator injectors are definitely worth considering. However, if you're looking for a more cost-effective and simpler solution, there may be other options to explore first.

Details:

Condition: New. Brand: Speedmaster. Notorious/injector bosses. Chevy BBC 454 Rect Port Dominator w/Inj Ports High Rise Intake Manifold Polished These Shootout Series Manifolds are designed to use a dominator carburetor.

Four corner water ports. Dual distributor hold downs. Manufacturer: Speedmaster.

Domestic Shipping: The shipping cost on this listing or the Free Shipping is for lower 48 States. MPN: PCE148.1012. Available with show polished or satin unpolished finish. Fits big block Chevy rectangular port cylinder heads on standard deck blocks.

Excellent throttle response throughout the RPM range along with smooth engine operation. Items must be New, Unused, Not Installed, in the Original Packaging and able to resold.

part #: pce1481012 prices

• $240.00-$258.97

specifications inputmanifolds:

• for models: 454
• for makes: Chevy
• brand: Speedmaster
• manufacturer part number: PCE148.1012
• return notes: New, Unused Condition W/original Packaging
• upc: 840136508670

general inputmanifolds:

• Car Truck Parts Accessories > Air Fuel Delivery > Intake Manifolds
• condition: New

returns inputmanifolds:

• paid by: Seller
• time: 30 Days
• policy: Returns Accepted

shipping inputmanifolds:

• transit: 3-7 Days
• service: Expedited
• cost: $0.00
• type: Fixed
• class: Expedited

payments inputmanifolds:

• wallet: Paypal
• credit card: Visa
• other

offer inputmanifolds:

• started: June 10, 2026
• availability: In Stock
• sold: 0
• options: Ship-to-home

seller inputmanifolds:

• city: Grant, Michigan
• rating: 99.5%
• # reviews: 182751

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