The Dynomite Diesel 12mm STROKER CP3 pump sold with no core charge for the 2007.5-2018 6.7L Cummins. Capable of supporting up to 1,000+ RWHP with proper supporting modifications. Full fuel delivery to 6,000+ RPM. New OEM unmodified FCA for improved tunability. CP3 can be used with a 150 GPH lift pump but for maximum output recommend 200+ GPH lift pump. No core. 90 day limited warranty.