Duramax Billet Coolant Block Off Plate 2001-2017 Fleece Performance CHEVROLET/GMC/FORD FC3Z9A543A

FC3Z9A543A

Tube upgrade for older intakes

giving you more power

Lubricates Fuel System Reducing Friction & Wear Restores Engine Power & Torque Improves Fuel Economy Increases Cetane for Improved Engine Combustion Cleans Internal & External Injector Deposits Stabilizes & Extends Fuel Shelf Life Removes Water by Demulsification Protects Against Fuel System Rust & Corrosion Alliant Power LUBRIGUARD™ has been formulated using technologically advanced chemistry designed to protect the most advanced high-pressure common rail diesel fuel systems as well as conventional fuel systems

This is a drop in replacement kit and will support up to 650HP while retaining great drivability or spool up time

Duramax Billet Coolant Block Off Plate 2001-2017 Fleece Performance CHEVROLET/GMC/FORD FC3Z9A543A2001 2016 Duramax Billet Coolant Block Off Plate (Replaces GM P N: 97941204) OE covers are prone to leakage as the gaskets dry out and factory cast covers corrode. Our billet coolant block off plate with an integral O ring is an upgrade for your rear engine cover and will the stop the coolant leaks for good.