KDD is proud to present our exclusive line of Jesel rocker arms for the 6.6L GM Duramax.  We had the honor of working with the world renowned valve...

Upgrade the valves in your Duramax to these premium stainless intake/inconel exhaust valves, nitride coated and swirl polished for lasting quality ...

This kit features premium USA Made beehive valve springs, tool steel retainers, locks, spring seats, and valve stem seals for your 2001-2016 Durama...

Description OEM 3.900 Stroke No crank gear included Dual Damper Keyways Conservatively rated for 800HP Machined from 4340, through hardened steel ...

The affordable Wagler Duramax As-forged Street connecting rods are the perfect solution for a hot street truck making 1,000 HP or less. The as-forg...

Protect your truck with the technology high power diesel OEMs use. A Fluidampr performance diesel damper provides premium, broad range control of d...

*Unless otherwise specified, all prices listed are for the individual component (“each”), not full sets. Also available are custom very large injec...

Machine Finish.  Quad ring can be normally be used for several oil changes. Included cup wrench fits over machined flats on bottom cooling fin. Fit...

Wagler Competition Products proudly presents their updated 6.6 Duramax connecting rods. These competitively priced connecting rods feature the ben...

This kit includes EVERYTHING you need to make oil analysis simple and easy.  It includes the vile for obtaining the oil sample, it includes instruc...

The ARP Custom Age 625 series head studs are the ultimate head stud for high horsepower and competition engines.  Rolled threads after hardening, c...

Product Features BulletProof EGR Cooler, GM, 6.6L, Duramax, LML, 2011-2016, Front Manufactured by: Bullet Proof Diesel Stainless Steel Tubing Th...

Product Features BulletProof EGR Cooler, GM, 6.6L, Duramax, LML, 2011-2014, Rear Manufactured by: Bullet Proof Diesel Stainless Steel Tubing Tha...

All S&S Diesel Motorsport CP3 Pumps come with a 2 year warranty. LML CP3 conversion kit w/pump – Offroad Use Only – No DPF – Tuning Required. ...

**Lead Time Applies, Please Contact Us For More Details** Please specify the year of the Duramax when ordering Every KDD Short Block Comes with: -F...

2011-2016 6.6 LML Duramax Lower engine gasket set.

FASS Fuel Systems offers industry leading technology in fuel filtration systems, providing 2011-2015 GM LML Duramax 6.6L diesel owners the cleanest...

A FASS Fuel Systems can be a beneficial upgrade for your GM Duramax LML diesel engine, this is because your Duramax doesn’t come with a factory lif...

Made from 6061 Billet aluminum, this guy is built like a tank and is super simple to install. Just like our original and revolutionary design,  ins...

Wagler's WCPC6618 Billet Rocker Bridges improves horsepower on your 2001-2016 GM Duramax 6.6L. Forging made from 4340ACQ certified material. All dr...

This listing is for 2 shafts which is 1 full set Upgraded Rocker Shafts fit 01-16 Duramax

From 2001 to 2016, Manton's Extreme Duty Billet Valve Bridges for 6.6L GM Duramax engines are designed for high stress applications. OEM bridges we...

This set comes with the gaskets needed to reseal the top end of the engine on the LML model years (Vin 8 or Vin L designation) **Does not come with...