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

DBR promotes proper surface mating during the critical break-in process and chemically assists with piston ring sealing. A low detergent level allo...

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

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...

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

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. ...

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

KC Vortex Stage 2 Turbo Features & Details Capable of 650 to 700 HP (With Supporting Mods) Upgraded Billet 64mm Compressor Wheel with Extended...

KC Vortex Stage 1 Turbo Features & Details Upgraded Billet 63.5mm Compressor Wheel with Extended Tips Upgraded 64mm 10 Blade High Flow Turbine...

The Mahle Diesel PowerPak is a complete race-proven piston assembly kit composed of hand deburred, forged, performance coated pistons, high-quali...

The Mahle Diesel PowerPak is a complete race-proven piston assembly kit composed of hand deburred, forged, performance coated pistons, high-quality...

De-Lipped and Coated GM 2001-2016 Piston Kit .020 Over . Machined valve reliefs. Set of 8 comes with rings, pins, and clips. Mahle Cast Aluminum D...

For 6.6L Duramax Gapless: 4.055 3.0K 2.0 3.0 Groove Dimension Full Set  GO GAPLESS® Total Seal® pioneered Gapless® technology over 50 years ago....

This set comes with the gaskets needed to reseal the Bottom end of the engine on the LML model years

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...

This set comes with the gaskets needed to reseal the top end of the engine on the LBZ, and LMM model years (Vin 6 designation) **Does not come with...

This set comes with the gaskets needed to reseal the top end of the engine on the LB7, LLY, LBZ, and LMM model years (Vin 2 or D designation) **Doe...

This set comes with the gaskets needed to reseal the top end of the engine on the LB7, LLY, LBZ, and LMM model years (Vin 1 designation) **Does not...

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

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

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...

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