Eckler's Catalogs Available Now!
Holley EFI GM LS1/LS6 HP EFI ECU and Harness Kit (Universal; Some Adaptation May Be Required)
Item EK-33-852219-1
Sale
On Sale
-15% $2,633.95 Was $3,099.95
Military, Medical & First Responders
$131.70 Available in EK Cash Rewards.
Confirm Eligibility
Confirm Eligibility
Choose options to add to cart.
Saved - View your saved items
We're sorry. We couldn't save this product at this time.
or use
Shop Owners Save More!
Sign up for our dealer program
Product Information
Features, Description, Q&A
Features
- GM LS1/LS6 (24x Crank Sensor) With Jetronic/Minitimer (Bosch Type) Connectors On Injector Harness
- Includes NTK Oxygen Sensor
- Legal For Sale And Use On Uncontrolled (Non-Emissions Controlled) Vehicles
- ECU Certified To ISO 8846, SAE J1171 & United States Coast Guard Requirements For Ignition Protection & Fire Resistance
- 1-5 Bar MAP Sensor Capability
- Laptop Programmable ECU Includes Variety Of Base Maps
- Sealed Automotive And Marine Grade Connectors
- Supports Boost, Nitrous, Water/Methanol, Individual Cylinder Control And More
- NTK Oxygen Sensor Recommended For Leaded Or Methanol Fuels, High Exhaust Temperatures And Forced Induction Applications
- Suitable For Stock 5.3L Engine Swaps To 3,000+ Horsepower Race Cars
- Optional Plug And Play Hand-Held Programmer, 5.7" Touchscreen And Digital Gauges Available
- ECU Fully Potted For Engine Compartment Or Interior Mounting
- Industry Leading Self Tuning Fuel Strategy
- Provides More Functionality Than OEM Or Other Competitive ECUs
- Plug And Play Control Of GM LS1/LS6 Engines
- Kit Includes ECU, Harness, Communication Cable, Software, NTK Wideband O2 Sensor
- Supports Accelerometer, Boost Control, CAN-BUS, Coil Per Cylinder Ignition
- Supports Dry And Wet Nitrous Control, Multi-Stage And Progressive Nitrous
- Includes Ignition Timing Control, Individual Cylinder Fuel Corrections, Knock Retard Support
- Compatible With E85 Fuel, Forced Induction
- Supports Datalogging, Traction Control, User-Tuneable
- Fits GM LS Engines With Factory Coils And 24 Tooth Crank Sensor
- Fits Universal Applications; Some Adaptation May Be Required For Specific LS Engine Variants
Description
Advanced Engine Management. The Holley EFI GM LS1/LS6 HP EFI ECU and Harness Kit is a comprehensive solution for precise fuel and ignition control on GM LS engines. Designed for users ranging from stock engine swaps to high-horsepower race cars, this kit enables detailed tuning with ease and flexibility, facilitating enhanced engine performance under various conditions including forced induction and nitrous use.
Construction and Appearance. This ECU and harness kit features sealed automotive and marine-grade connectors, ensuring durability and reliability even in harsh environments. The ECU is fully potted to provide protection against heat, moisture, and vibration, allowing it to be mounted in the engine compartment or interior without concern. The included wiring harness utilizes robust Jetronic/Minitimer (Bosch type) connectors, optimized for compatibility and long-term use.
Installation. Installation is straightforward with a plug-and-play design tailored for GM LS1/LS6 engines, requiring no drilling or complex modifications in most cases. Simply connect the harness to factory sensors and wire power and grounds, enabling rapid setup and seamless integration with existing engine components.
Application. This EFI kit fits GM LS engines equipped with 24x crank sensors and factory coils, covering a range of displacements from 4.8L to 7.0L V8 configurations. The design supports universal adaptability, although some adaptation may be required depending on specific engine variants or configurations.
Holley EFI 550-602N
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
4.8
Reviews of Holley EFI Classic Engine Products (1)
Questions & Answers
No questions about this product yet.
Ask the First Question
