11-16 6.6L LML

The CP4 Pump on the LML model Duramax is prone to failure if the fuel system has any water or contaminated fuel introduced to it. When the pump fails, it will send metal contaminants throughout the entire fuel system which in most cases will ruin the...

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 lift pump like other types of diesel. This requires your CP3 injection pump to pull your fuel under a...

The Titanium Series diesel fuel pumps are the superior fuel pump and filtration system, in the diesel industry. This is because here at FASS Fuel Systems we focus on perfecting our pumps and how they are engineered, taking the extra steps that our...

We build a complete transmission that is ready to bolt in and go. All of our Allisons are built the same (clutch pack stackup) whether you're looking for a 1000+RWHP truck or you're looking for a reliable transmission for your 500HP daily driver. Our...

Kryptonite upper control arms are made from laser-cut steel, then machine formed and precision welded for ultimate strength. Our control arms are built with pride here in the small-town USA and backed with a lifetime warranty. Kryptonite UCA kits will...

If you're looking for the best for your truck, look no further. The Ultimate Front End Kit includes every moving component of your steering. This kit is hands down the strongest option for any GM Heavy Duty Truck. Fully capable of handling high...

AirDog II-4G is designed to operate at flows and pressures beyond the maximum requirements of the engine. It receives fuel under vacuum from the fuel tank containing entrained air/vapor, particulate contaminates, and unknown quantities of water...

Motor Ops tunes are all developed in house and sold exclusively by Motor Ops.  We are tuners with years of experience in developing and supporting these files.  Our focus is providing clean running, performance oriented tunes with driveability...

ARP Pro Series cylinder head studs are cold-forged to ensure molecular integrity. They are heat-treated prior to thread rolling and machining. ARP Pro Series kits are also available with 12-point nuts, and all kits come complete with hardened parallel...

This tune will program your factory/emissions compliant LML with Driver Selectable Tuning power levels consisting of +15HP, +30HP, +60HP, +100HP, and +150HP. The "DST Switch" must be installed in order for this tune to operate properly. All...

This LML Disaster Repair Kit is everything you will need to repair your LML fuel system in the event of catastrophic fuel system failure. If you have had a CP4 failure, this is the kit you need!

The AutoAgent connects to the vehicles via the OBDII-port and broadcasts a Wi-Fi access point (AP) which allows a wireless connection to the vehicle using any iOS device (Android support coming soon - will also support the inexpensive Android monitors)...

Banks started from scratch while sparing no expense in the creation of the Banks Power AAM 11.5" 14-Bolt Rear Ram-Air Differential Cover. Gale set out in search of the answer to the age-old "Do rear differential covers provide any real benefit or are...

50 State Legal - D-541-18 & D-802-5 The reinvented Diesel Evolution CTS2 programmers are Edge innovation with a new look and cool features for improved performance and fuel economy of your diesel. Edge has taken the best of the Evolution series...

PPE has taken OEM replacement to a new level. These PPE OEM Up-Pipes allow 53% greater flow than stock. PPE OEM Up-Pipes is a direct bolt-on to your factory manifolds. Unlike factory parts, PPE OEM Up-Pipe is manufactured from 11 gauge 304 stainless...