1994-1998 Cummins AFC Spring Kit (232708)

Performance AFC (Aneroid Fuel Control) spring kit for 1994-1998 Dodge Ram 2500/3500 5.9L 12V Cummins P7100 injection pumps. Replaces the stock soft AFC spring with a stiffer unit that delivers a slower, more controlled ramp of fuel in higher-boost performance applications.

The AFC is what scales fuel against boost pressure in the P7100 — soft spring lets fuel come in early and fast (good for stock-boost trucks), stiff spring delays the fuel ramp and lets a bigger turbo build boost before fuel piles up (better for smoke control and EGT management on big-turbo builds).

• Stiffer AFC Spring for P7100 Pump
• Slower, More Controlled Fuel Ramp Under Boost
• Better EGT and Smoke Control in High-Boost Builds
• Complete Kit — All Hardware Included
• For 1994-1998 Dodge Ram 5.9L 12V Cummins
• Part Number: 232708

• Best paired with a 4000 RPM governor spring kit (232701) or 5000 RPM kit (232702) on big-turbo / big-injector builds.
• Overkill on stock-power trucks — leave the OE AFC spring alone unless boost is being driven by an upgraded turbo.