DHD High Performance High RPM LB7 & LLY Duramax Water Pump RETRO V8 This system has larger porting

This system has larger porting to allow less cavitation and noise at the inlet of the higher flowing 220GPH pumps

and increases turbo life

The DP Customs LB7 Fuel Distribution Block relocates the relief port to a vertical position and converts the system to utilize the 04

This kit fits SINGLE REAR wheel GM trucks

DHD High Performance High RPM LB7 & LLY Duramax Water Pump RETRO V8 This system has larger portingDHD High Performance High RPM LB7 & LLY Duramax Water Pump Dirty Hooker Diesel 500 112 High Performance High RPM Water Pump LB7 LLY Duramax With the advancements in technology and tuning, these Duramax diesels are producing more horsepower and torque than originally intended and thus the water pump suffers. We have come up with a solution to the problematic water pump on the 2001 2005 LB7 & LLY Duramax Diesels. Our water pump does not utilize the