Standalone EFI system for 1997-2014 GM Gen III and Gen IV LS engines enables modern sequential fuel and spark control
Closed-loop wideband feedback with included sensor allows for precise fueling and ignition tuning
Guided setup wizard and self-learning strategies simplify installation and tuning for a wide range of builds
Supports both stock and performance applications, including LS swaps, with options for advanced manual tuning
Compatible with aftermarket and OEM components, excluding active VVT or AFM DOA applications
Summarized by Shop
The Jackpot LS Lite EFI System is a standalone engine management system for 1997–2014 GM Gen III and Gen IV LS-based engines that use 58x/4x or 24x/1x crank and cam trigger patterns.
For those who want maximum value from their system, the Jackpot Lite is here to help. The Lite has all the core features that make Aces systems solid, such
Supported Engines
1997-2014 GM Gen III and Gen IV LS-based engines with 58X/4X or 24X/1X crank and cam trigger patterns
EFI Control
Sequential fuel and spark, closed-loop with wideband O2 sensor (one included)
Inputs/Outputs
8 injector drivers, 8 coil outputs, dual fan control outputs
Throttle Body
Mechanical cable-operated only (drive-by-wire not supported)
Transmission Control
Manual transmission version for separate controller; transmission control version for GM automatics (4L60E, 4L65E, 4L67E, 4L80E)
Map Sensor
2.8 bar map sensor included
Summarized by Shop
4.6
33 ratings
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Brookes · November 8, 2025
I never received it
M
Michelle · July 19, 2025
So far we haven't gotten this thing sorted out yet. The engine continues to run after the key is turned off.
The PDM looks like a real nice idea but, you have to cut up and modify the wiring harness to connect it. That's not a good way to start out.