This DDPAFC is an Air Fuel Control (AFC) spring kit designed for the P - 7100 injection pump. It's a perfect fit for 1994 - 1998 Dodge Ram 2nd Gen trucks with a 5.9L Cummins engine and P - 7100 injection pump. The heavier spring in this kit helps control fuel delivery and reduces smoke output under low boost conditions. Part Number: DDPAFC. Superseded Part Number: DDP AFC. Key features include controlling fuel delivery and smoke output, fitting the P - 7100 injection pump, and being suitable only for injectors capable of 525RWHP or more. Note that these springs are recommended only when your engine's injectors can support over 525 RWHP. Using them with smaller or stock injectors may affect performance and throttle response before the turbo fully spools up.

Using this DDPAFC AFC spring kit is straightforward. First, make sure your vehicle is a 1994 - 1998 Dodge Ram 2nd Gen with a 5.9L Cummins engine and a P - 7100 injection pump. Also, check that your injectors can handle 525RWHP or more. If not, it's better not to use this kit as it may harm performance. When installing, follow the standard procedures for replacing a spring in the injection pump. For maintenance, regularly check the spring for any signs of wear or damage. If you notice any issues, replace the spring promptly to keep your engine running smoothly. Remember, using the right tools and following safety guidelines during installation and maintenance is very important.