
OEM Delphi 4 Hole 01-07 GM Chevy GMC Truck 4.8L 5.3L 6.0L Fuel Injectors
Bring back the power your GM truck was built for. This is a set of 8 Genuine OEM Delphi 4-hole rebuilt fuel injectors — cleaned, tested, and flow-matched to outperform stock specs. Each injector is precision serviced to deliver smooth throttle response, improved atomization, and factory reliability. Direct fit for 2001–2007 GM 4.8L, 5.3L, and 6.0L V8 engines True 4-hole nozzles for better spray and cleaner combustion Flow matched within 2% for perfect cylinder-to-cylinder balance OEM Delphi quality — no tuning required Includes lifetime warranty against failures or defects. Frequently Asked Questions Are these brand new injectors?Nope — they're original GM/Delphi cores, professionally rebuilt and tested. No cheap offshore junk here. Do I need to tune my truck?Not for stock or bolt-on mods. These are plug-and-play OEM replacements. Why 4-hole nozzles?More spray holes mean finer fuel mist — better combustion, better power, and smoother idle. It’s a real upgrade over single-hole stock units.