We've been seeing a lot of questions, and even doubts, on how the S&S Diesel Motorsport Ford CP4.2 Bypass Kit safeguards the highpressure fuel system from debris as a result of a CP4.2 pump failure. So, here's the nuts and bolts of how it works, and why every 6.7 Power Strokeequipped truck should have the original, USAmade, CARBcompliant, "Disaster Prevention Kit."

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Bosch CP4 vs CP3 High Pressure Fuel Pump Comparison:
   • Bosch CP4 vs CP3 High Pressure Fuel P...