LS7
LS7
LSX
LSXR
LS1
LS2
LS6
LSX
LSX
LS1
LS2
LS6
LSX
LSXRT
RT
LS3
L76
L92
L99
LS3
L76
L92
L99
LSX
LSXR
1
2
3
4
5
Need help choosing a system for your vehicle?
Call our sales team for assistance:
   USA      (951) 340-2624 
CANADA (877) 521-7787
Best Value: Bundled pricing means you save time and money
compared to piecing it together yourself.
Recommended for first-time EFI installs, full conversions, or
anyone starting fresh.
IDENTIFY YOUR LS
PORT
IDENTIFY YOUR LS
PORT
When selecting a FiTech LS EFI System, it’s important to
know your engine’s horsepower. Our systems are offered in
three configurations based on maximum horsepower
supported base on a naturally asperated engine running
on Gasoline:
Raised Rectangle Port
Raised Rectangle Port
Rectangle Port
Rectangle Port
Cathedral Port
Cathedral Port
DETERMINE YOUR
HORSEPOWER
DETERMINE YOUR
HORSEPOWER
All FiTech LS EFI Systems are available in two versions:
All FiTech LS EFI Systems are available in two versions:
System Option
500 HP System
750 HP System
1000 HP System
Engines stock to 500 HP
Engines 500 to 750 HP
Engines 700 to 1000 HP
Supports
Note: These systems can be used on engines with less than
the listed horsepower. For example, a 500 HP system is
perfectly suited for a 350 HP engine. Choose the system
that covers your engine’s power, not one that exactly
matches it. Max horsepower numbers provided are based
on naturally aspirated gasoline burning engines. 
DO YOU NEED
TRANSMISSION CONTROL?
DO YOU NEED
TRANSMISSION CONTROL?
With Transmission Control
 For electronically controlled 4-speed automatic
transmissions (4L60E, 4L80E, etc.)
Without Transmission Control
 For manual transmissions or non-electronic automatics
Not sure if you need transmission control?
 If you’re using a 4L60E, 4L65E, 4L70E, 4L80E, or 4L85E, choose with
trans control. If you have a manual or other automatic, go without.
CHOOSE STYLE & FINISH
CHOOSE STYLE & FINISH
UPGRADE TO A MASTER KIT
UPGRADE TO A MASTER KIT
FiTech offers LS EFI intake systems to cover most OEM
applications including aftermarket heads. These drawings
will help you determine your intake ports
Customize your system to match your build’s style under
the hood.
Intake Style Options:
Short Intake (6.75"):  low profile, fits most engine bays
Tall Intake (8.75"):  Aggressive look and added
clearance to factory accessory drive components.
Finish Options:
Matte Black:  Sleek, modern look with minimal glare
Natural Aluminum:  Classic, raw performance style
Want a hassle-free install? Our Master Kits are the ultimate
upgrade, pairing your EFI system with a complete fuel delivery
solution and/or LS3 coil packs so you can hit the ground running.
Why Choose a Master Kit?
Includes your selected EFI system
Adds a complete fuel delivery setup (Force Fuel, Inline, or
in-tank pumps)
Comes with fuel lines, filters, fittings, and more
Engineered to work together—no extra trips, no guesswork
HOW TO CHOOSE YOUR LS
SYSTEM
HOW TO CHOOSE YOUR LS
SYSTEM STEP-BY-STEP: 
STEP-BY-STEP: 
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