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Out back a 1" fabricated block is used in place of the factory block to level the stance
crafted for enhanced durability
It is that easy
OEM-plus look with crystal-clear lenses and chrome internal finish
FASS No Drop Titanium Series Plus Fuel Pump & Sump Kit 20-23 GM 6.6L Duramax L5P HOL-4034315HX Out back a 1" fabricatedPure diesel fuel fed into your injector system is the starting point for everything in your GM truck. Impurities in your diesel or inadequate fuel flow can cause expensive damage to your engine and injector system. Factory fuel systems are not geared to support higher horsepower and are prone to issues causing unneeded wear and tear along with a slow decline in fuel efficiency. Improper diesel fuel pressure and low purity can cause engine damage and
