2007.5+ Cummins 6.7L Fluidampr Harmonic Damper (920321)2007. 5+ Cummins 6. 7L Fluidampr Harmonic Damper (920321) Using only three parts (a laser welded sealed housing, an internal inertia ring, and highly viscous silicone fluid between the two), SFI approved Fluidampr harmonic dampers can control all crankshaft vibration not just a limited frequency range. As a result, you get reduced wear on the main bearings and timing gear, more stable valvetrain operation, and less chance of crank failure.

3 Powerstroke engine's performance with the KC300x Stage 1 63/68 Gen 2 Turbo

5-02 24v: New Economy Series injector set with DDP's lightly honed nozzle for a 15-25HP improvement over stock

If you don't feel confident in putting together your own turbo then THIS IS NOT FOR YOU

Spin-on a PPE Double-Deep Premium Filter today

Injector set is capable of 600-625 RWHP with proper supporting modifications

Note: Highly recommend installation of a boost elbow (when possible) if using a factory turbo and installing a boost fooler or tuner

ARP is the industry leader when it comes to fasteners and manufactures heavy-duty head studs for a wide variety of popular diesel applications

PPE Crankcase Breather Repair Fittings are made from machined billet aluminum and replace stock composite plastic fittings

2011-2015 Duramax LML 5" Downpipe Back Exhaust w/ Muffler (531005)

Versatile Fit:

VP44 pump equipped trucks need not apply

4L Mean Green 300AMP High Output Alternator (MG1290HD)