[ATTENTION]- Please enter your vehicle model in the "Amazon confirmed fit" plugin at the top before purchasing the fuel injectors. It will guide you to purchase the correct fuel injectors more conveniently. [Fitment]: Compatible with GMC B7/C6500 Kodiak/C7500 Kodiak 1999-2000;Compatible with Chevrolet C3500/C3500HD/Express 3500/K2500/K3500 1996-2000,B7/C2500/C6500 Kodiak/C7500 Kodiak 1999-2000,C2500 Suburban/K2500 Suburban/P30 1996-1999 --7.4L V8.(3holes) [OEM Number]:17113221,FJ241, FJ10058,19244615,17109596. [Fuel Economy]- The design of automobile fuel injectors can accurately control the amount of fuel injection, thereby optimizing fuel economy and helping you save fuel costs. [Durability]- Our automotive fuel injectors are precision manufactured and subject to strict quality control, providing excellent durability and ensuring long-term and stable use. [Professional After-Sales]- If you encounter any problems during installation and use, please feel free to C-O-N-T-A-C-T us. We have a professional after-sales service team that can help you solve the problem. Thank you! Order content: 1x8 fuel injectors