S&S Diesel CP4-to-DCR pump conversion (6.7F-DCR). Replaces the factory Bosch CP4.2 high-pressure pump with a DCR pump. Order it instead of a CP4.2 pump. Fits the 2011-2019 Ford F-250/F-350/F-450 pickup and F-350/F-450/F-550 cab and chassis 6.7L Power Stroke. Add-on for our remanufactured 6.7L Power Stroke long block; installed before shipping or shipped loose in the crate, your choice.