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Allow full rack travel in the P7100 Injection Pump on your 1994-1998 Dodge 5.9L Cummins with the XDP P7100 Rack Cap XD336. The XDP Rack Cap features a precision machined 6061 billet aluminum construction and has a 12mm depth making it 4mm deeper than the stock cap.
The increased depth allows for full rack travel resulting in more fuel flow and around an additional 20HP increase.
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