Duramax Billet Coolant Block Off Plate 2001-2017 Fleece Performance Engine Valve Spring|Engine Valve|Performance|Engine and Components 6L Duramax and contains the

6L Duramax and contains the components for both driver and passenger side cylinder heads

Brass fittings

Adjustable gear ratio from 2

Duramax 06-10 LBZ and LMM: Brand New replacement stock CP3 injection pump

The built-in baffles at the bottom of the pan increase the contact area between the fluid and the pan's cast surface

Duramax Billet Coolant Block Off Plate 2001-2017 Fleece Performance Engine Valve Spring|Engine Valve|Performance|Engine and Components 6L Duramax and contains the2001 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.