aFe ProGuard D2 Fuel Filter; GM Diesel Trucks 17-21; V8 6.6L L5P - 4 Pack (NLA)Pro GUARD HD Fuel Filters deliver increased flow and efficiency that are demanded in the Diesel environment. This fuel filter is designed for maximum filtration and minimal flow restriction. The Pro GUARD HD Fuel Filters are direct OE replacement filters to ensure a proper fit and hassle free installation.

higher resolution screen

and fuel economy

Can be used by itself with the stock PCV system to eliminate crankcase pressure

or your aftermarket fuel cell functions as a pickup fuel pump that fills the surge tank and ensures that the high-pressure fuel pumps within the oversized surge tank always have enough fuel to maximize fuel flow and minimize the risk of starvation that can seriously harm your engine

Pair of rear air-over shocks with performance valving

retaining the factory logos for an OEM+ appearance

6061 aluminum 1/8" NPT bung for pressure/temperature sensors or water/meth injection

Max +21 HP & +14 lb-ft of torque when used in conjunction with the DINANTRONICS Performance Tuner as well as Dinan exhaust

extending the carbon fiber look from the dash throughout the cabin

is machined from 6061-T6 billet aluminum for superior strength

The front support and engine mount provide added strength and rigidity to the front end for improved handling and stiffness

Master Cylinder Mounting Bracket