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![PCE148.1055 Chevy LS7 Side Draft EFI Stack Intake Manifold System Complete [Satin]](https://www.jegs.com/images/mini_750/700/746/746-pce148.1055.jpg)
Vehicle Info NeededPCE148.1055 Chevy LS7 Side Draft EFI Stack Intake Manifold System Complete [Satin]
Ships on 09/08/2026
Lowest Price Guarantee- Chevy LS7 Side Draft EFI Stack Intake Manifold System
- Complete
- Basic Operating RPM Range: 3,000-10,000
- Fuel Rails Included
- Satin Finish
Speedmaster PCE148.1055 Features:
The Speedmaster Individual throttle body EFI system have all the flash of classic Weber induction but provide higher state of tune and engine performance versatility of EFI. Delivering crisp EFI performance with systems capable of supporting high hp. Fuel and air is delivered through precision cast aluminum 50mm IDA style throttle bodies that allow for superior idle characteristics and astounding throttle response while improving emissions and economy through tight air/fuel ratio control.
The Speedmaster linkage set incorporates the throttle stops, idle controls, lever arms and joiner/balancer all in one. It also features a single screw adjustment for calibrating front to rear throttle shafts.
The bell crank has a fully indexable eccentric cable pulley that enables good slow speed drivability and still attain full throttle geometry.
Speedmaster throttle bodies have the following feature:
CNC machined, Heat treated 601 Cast aluminum.Emissions Note:
This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.
CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART
EFI Performance Intakes
Speedmaster's Downdraft EFI Stack Intake Manifold Systems are designed to provide exceptional EFI tuning and versatile engine performance. These intake systems deliver crisp EFI performance in up to 1000 hp applications. Precision cast aluminum 50mm IDA-style throttle bodies supply sufficient fuel and air to provide superior idle characteristics and throttle response. Improve your vehicle's emissions and air/fuel ratio economy with a downdraft EFI stack intake manifold system from Speedmaster!
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Elevate your engine’s performance with the Speedmaster Downdraft EFI Stack Intake Manifold Systems—designed for drivers who demand both power and precision. These systems deliver crisp, race-inspired EFI performance, capable of supporting up to 1,000 horsepower in demanding applications.
At the heart of the design are precision-cast aluminum, 50 mm IDA-style throttle bodies that supply optimal fuel and air, resulting in superior idle characteristics and lightning-fast throttle response. The downdraft configuration improves airflow efficiency, promoting better mixture control, tighter emissions, and enhanced air/fuel ratio economy—ideal for both street builds and high-performance setups.
This intake manifold system provides the visual appeal of classic individual throttle setups with the modern efficiency of electronic fuel injection—perfect for enthusiasts who want the best of both worlds. The included intake trumpets and fuel rails ensure a more complete installation package without sacrificing style or functionality.
Whether you’re shopping for a standout 8 stack fuel injection setup, a refined stack efi solution for your muscle car, or a robust speedmaster stack injection system to unlock serious horsepower, this manifold system ticks every box.
Refine your build with a system that’s as capable as it is captivating. Choose Speedmaster’s Downdraft EFI Stack Intake Manifold for unmatched throttle response, refined airflow control, and the confident performance boost your engine deserves.
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