For 2014+ GM Gen V Engines
Extreme Fuel Delivery for
High-Horsepower LT Applications
Stanadyne’s LT4 Gen 1 direct injection injector delivers the additional fuel flow required for high-performance while preserving the factory spray pattern and targeting.
Not a modified OEM injector, each unit is manufactured using precision laser-drilled nozzle technology for significantly increased flow capacity while maintaining the combustion characteristics engineered by GM.
STANADYNE PART # 611661

Ampia gamma di applicazioni

Designed for High Performance

All New Injector Design
Unique Features
Key Features
- All new injector design; not a modified OEM injector
- Maintains OEM spray targeting
- Finite Element Analysis (FEA) validated design
- OE-quality idle and drivability aer proper calibration
- Direct replacement for OEM fuel rail
and cylinder head - Designed for naturally aspirated, supercharged,
and turbocharged engines - Compatible with gasoline and E85 fuel
Vehicle Fitment
2014+ GM Gen V+ engine applications including:
- Chevrolet Corvette
- Chevrolet Camaro
- Cadillac V-Series
- Chevrolet Silverado
- GMC Sierra
- Chevrolet Tahoe/Suburban
- GMC Yukon
- Cadillac Escalade
Design e specifiche
FEATURE | SPECIFICATION |
|---|---|
| Injector Tip Diameter | 7.45 mm (OE) |
| Number of Nozzle Holes | 6 (OE) |
| Nozzle Technology | Precision laser drilled |
| Spray Pattern | Same as OE |
| Operating Pressure | 220 bar |
| Maximum Fuel Pressure | 280 bar |
| Flow Increase | +61% vs OEM LT4 injectors, +88% vs ‘20-’23 LT2 injectors +116% vs 2023+ LT2 small-stem injectors |
| Installation | Direct drop-in |
| Calibration | Required (available through Stanadyne partners) |
