TamerX Spider Fuel Injector Assembly Central Port Injection We guarantee fit and function. This TamerX central port fuel injection assembly for the 1996-2001 Chevrolet/GMC Spider Fuel Injector Assembly GM 4.3L GM V6 Engine. This is a completely Remanufactured SCPI Fuel Injector. The TamerX Spider Assembly is 100% tested to meet or exceed OEM specifications. The replacement of your old unit with the TamerX Spider will provide cleaner emissions, improve fuel economy, and increase performance. The assembly comes with new Viton O-Rings, Fuel Pressure Regulator. Application: Make: Chevrolet,GMC Model: SUV, Truck Engine: 4.3L V6 Year: 1996-2001 Warranty: 1 Year 1,000,000 miles