2001-2016 Duramax PPE Billet Aluminum Air Bleeder Screw (513081000)2001 2016 Duramax PPE Billet Aluminum Air Bleeder Screw (513081000) People know that billet aluminum is a lot tougher than plastic. That toughness means fewer problems over time. So replace your fragile plastic, factory air bleeder screw with the longer lasting billet aluminum PPE Air Bleeder Screw. The damage and distortion that typically happens with a plastic screw from under hood temperatures and routine servicing will no longer be a problem

7L Mahle Lower Gasket Set CS54774-1

This kit upgrades every part of the 12v valvetrain

Premium High-Efficiency Transmission Fluid Filter

On our engine dyno

Tall 1-inch internal and 3/4-inch external cooling fins reduce operating temperatures as much as 40 degrees

This improved balance under heavy load means more efficiency and power at a given boost number

ARP Flywheel bolts feature an exclusive flat 12 point head design and a larger than stock underhead radius for increased strength

This updated version also adds an additional row of oil passageways for greater heat dissipation

there is less force exerted on the block threads

A high Zinc

Modified dual CP3s and pyrometer mandatory

you will need a 178-208