Description: Direct replacement of your old injector and no modification needed. Made of metal and plastic material which is durable and can use for a long time. The high impedance fuel injector has been tested and exactly matches the internal coil resistance and fuel flow rate of OEM fuel injector. Specification: O-Rings Included: Yes, preinstalled Orifice Type: 4 Holes Disc OE Number: 0280155737 Color: Warm White Material: Metal, Plastic Pin Number: 2 Voltage: DC 12V Size: 75x25x20mm / 2.95"x0.98"x0.79"(L*W*H) Note: This installation should be done by an experienced mechanic who has access to a factory service manual and all required tools! Please check the fitment section of this listing before you bid. Please kindly check again your engine volume! This is a non-OEM product, accessory only! Fitment:for Pontiac Grand Prix 3.8L V6 1998-2003Package Included:6 x Fuel InjectorInstallation: Step 1. Make sure the engine is cool down. Disconnect the battery. Step 2. Remove the bolts and brackets from the fuel rail. Step 3. Disconnect the plug on each injector. Step 4. Lift the fuel rail and remove the injector from the fuel rail. Step 5. Press the new injector into the rail. Reattach the fuel rail and put the injectors in their respective holes. Step 6. Bolt down fuel rail. Reattach fuel line. Plug in injector connectors. Reconnect battery. Step 7. Double check for fuel leaks before and after starting the engine.