LQ4 engine for sale with a FiTech electronic fuel injection system, this GM 6.0L V8 crate engine package is designed for compatible muscle cars, hot rods, restomods, and performance truck builds. The package combines a GM LQ4/LQ9-based iron-block V8 with modern fuel management, a standalone wiring harness, and a 1-year warranty. The stated output is 400 horsepower and 400 lb-ft of torque.
GM 6.0L LQ4/LQ9 V8 Engine Performance
This 6.0L V8 crate engine uses a cast-iron block and aluminum cathedral-port cylinder heads. The combination offers a solid foundation for street-focused engine swaps and custom vehicle projects.
With a stated 400 HP and 400 lb-ft of torque, this package is aimed at builders looking for strong performance for street driving and weekend projects. Actual output depends on the engine configuration, camshaft, fuel system, calibration, and supporting components.
FiTech Electronic Fuel Injection System
The included FiTech electronic fuel injection system is designed to modernize fuel delivery in compatible engine swaps. Depending on the exact system supplied, the package may include a self-tuning EFI unit, integrated ECU, handheld controller, throttle body or manifold components, and required sensors.
Electronic fuel injection can help manage fuel delivery across changing operating conditions. Before ordering, confirm the exact FiTech system model, its included components, and compatibility with the engine and vehicle setup.
6.0L LQ4/LQ9 Crate Engine Specifications
- Engine: GM 6.0L LQ4/LQ9-based V8
- Displacement: 6.0L / 364 cubic inches
- Stated horsepower: 400 HP
- Stated torque: 400 lb-ft
- Bore: 4.000 inches
- Stroke: 3.622 inches
- Block: Cast iron
- Cylinder heads: Aluminum cathedral-port
- Camshaft: Performance hydraulic roller, as specified
- Fuel management: FiTech electronic fuel injection
- Included electronics: ECU and standalone wiring harness, as specified
- Warranty: 1 year, subject to the supplied warranty terms
Built for Muscle Cars, Hot Rods, and Restomods
A GM 6.0L V8 can be a practical option for a range of custom builds when the engine, transmission, electronics, and chassis are compatible. The iron-block design suits builders who prioritize a traditional GM V8 platform, while electronic fuel injection offers a modern approach to fuel management.
Before installation, check engine mount compatibility, transmission fitment, oil pan clearance, cooling requirements, exhaust routing, fuel pressure requirements, and electrical connections. You should also verify whether the supplied harness and ECU are configured for your intended application.
What Is Included in the Engine Package?
The advertised package includes a FiTech electronic fuel injection system, ECU, standalone wiring harness, and 1-year warranty. Confirm the final parts list before purchasing, particularly the throttle body or manifold, handheld controller, sensors, fuel-system components, and accessory drive.
Warranty coverage, exclusions, and installation requirements should also be reviewed before ordering.
Choose the Right 6.0L V8 Crate Engine Package
If you’re comparing a 6.0L LQ4 crate engine with an LQ9-based option, confirm the exact engine variant supplied. LQ4 and LQ9 engines differ in certain factory specifications, so the engine code matters when checking compression ratio, internal components, and compatibility.
Choose this GM 6.0L V8 crate engine package by matching the verified engine configuration and FiTech system to your build. Confirming the output rating, included parts, and installation requirements before purchase can help you plan your swap with fewer surprises.
